Browse through the Pfam families on this page.

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0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

R-HINP1I PF11463.3 R.HinP1I restriction endonuclease

R3H PF01424.17 R3H domain

R3H-assoc PF13902.1 R3H-associated N-terminal domain

RA PF00788.18 Ras association (RalGDS/AF-6) domain

Rab15_effector PF15208.1 Rab15 effector

Rab3-GTPase_cat PF13890.1 Rab3 GTPase-activating protein catalytic subunit

RAB3GAP2_C PF14656.1 Rab3 GTPase-activating protein regulatory subunit C-terminus

RAB3GAP2_N PF14655.1 Rab3 GTPase-activating protein regulatory subunit N-terminus

Rab5-bind PF09311.6 Rabaptin-like protein

Rab5ip PF07019.7 Rab5-interacting protein (Rab5ip)

Rabaptin PF03528.10 Rabaptin

RabGAP-TBC PF00566.13 Rab-GTPase-TBC domain

RabGGT_insert PF07711.6 Rab geranylgeranyl transferase alpha-subunit, insert domain

Rab_eff_C PF04698.7 Rab effector MyRIP/melanophilin C-terminus

Rac1 PF09632.5 Rac1-binding domain

Racemase_4 PF13615.1 Putative alanine racemase

Rad1 PF02144.11 Repair protein Rad1/Rec1/Rad17

Rad10 PF03834.9 Binding domain of DNA repair protein Ercc1 (rad10/Swi10)

Rad17 PF03215.10 Rad17 cell cycle checkpoint protein

Rad21_Rec8 PF04824.11 Conserved region of Rad21 / Rec8 like protein

Rad21_Rec8_N PF04825.8 N terminus of Rad21 / Rec8 like protein

Rad33 PF08730.5 Rad33

Rad4 PF03835.10 Rad4 transglutaminase-like domain

Rad50_zn_hook PF04423.9 Rad50 zinc hook motif

Rad51 PF08423.6 Rad51

Rad52_Rad22 PF04098.10 Rad52/22 family double-strand break repair protein

Rad54_N PF08658.5 Rad54 N terminal

Rad60-SLD PF11976.3 Ubiquitin-2 like Rad60 SUMO-like

Rad60-SLD_2 PF13881.1 Ubiquitin-2 like Rad60 SUMO-like

Rad9 PF04139.8 Rad9

Rad9_Rad53_bind PF08605.5 Fungal Rad9-like Rad53-binding

RadC PF04002.10 RadC-like JAB domain

Radial_spoke PF04712.7 Radial spokehead-like protein

Radial_spoke_3 PF06098.6 Radial spoke protein 3

Radical_SAM PF04055.16 Radical SAM superfamily

Radical_SAM_N PF08497.5 Radical SAM N-terminal

Raffinose_syn PF05691.7 Raffinose synthase or seed imbibition protein Sip1

Raftlin PF15250.1 Raftlin

RAG1 PF12940.2 Recombination-activation protein 1 (RAG1)

RAG2 PF03089.9 Recombination activating protein 2

RAG2_PHD PF13341.1 RAG2 PHD domain

RAI1 PF08652.6 RAI1 like PD-(D/E)XK nuclease

RAI16-like PF10257.4 Retinoic acid induced 16-like protein

Ral PF11058.3 Antirestriction protein Ral

RALF PF05498.6 Rapid ALkalinization Factor (RALF)

RAM PF15320.1 mRNA cap methylation, RNMT-activating mini protein

RAMP PF04901.8 Receptor activity modifying family

RAMP4 PF06624.7 Ribosome associated membrane protein RAMP4

RAMPs PF03787.10 RAMP superfamily

Ran-binding PF05508.6 RanGTP-binding protein

RanGAP1_C PF07834.6 RanGAP1 C-terminal domain

Ran_BP1 PF00638.13 RanBP1 domain

RAP PF08373.5 RAP domain

RAP-1 PF03085.10 Rhoptry-associated protein 1 (RAP-1)

RAP1 PF07218.6 Rhoptry-associated protein 1 (RAP-1)

Rap1-DNA-bind PF09197.5 Rap1, DNA-binding

Rap1_C PF11626.3 TRF2-interacting telomeric protein/Rap1 - C terminal domain

Rapamycin_bind PF08771.6 Rapamycin binding domain

RapA_C PF12137.3 RNA polymerase recycling family C-terminal

Rapsyn_N PF10579.4 Rapsyn N-terminal myristoylation and linker region

Raptor_N PF14538.1 Raptor N-terminal CASPase like domain

Rap_GAP PF02145.10 Rap/ran-GAP

Ras PF00071.17 Ras family

RasGAP PF00616.14 GTPase-activator protein for Ras-like GTPase

RasGAP_C PF03836.10 RasGAP C-terminus

RasGEF PF00617.14 RasGEF domain

RasGEF_N PF00618.15 RasGEF N-terminal motif

RasGEF_N_2 PF14663.1 Rapamycin-insensitive companion of mTOR RasGEF_N domain

Ras_bdg_2 PF14847.1 Ras-binding domain of Byr2

Rav1p_C PF12234.3 RAVE protein 1 C terminal

Rax2 PF12768.2 Cortical protein marker for cell polarity

RBB1NT PF08169.6 RBB1NT (NUC162) domain

RbcS PF12338.3 Ribulose-1,5-bisphosphate carboxylase small subunit

RBD PF02196.10 Raf-like Ras-binding domain

RBD-FIP PF09457.5 FIP domain

RBDV_coat PF06593.6 Raspberry bushy dwarf virus coat protein

RBFA PF02033.13 Ribosome-binding factor A

RBM1CTR PF08081.6 RBM1CTR (NUC064) family

RBM39linker PF15519.1 linker between RRM2 and RRM3 domains in RBM39 protein

RBP_receptor PF14752.1 Retinol binding protein receptor

RbsD_FucU PF05025.8 RbsD / FucU transport protein family

Rbsn PF11464.3 Rabenosyn Rab binding domain

RB_A PF01858.12 Retinoblastoma-associated protein A domain

RB_B PF01857.15 Retinoblastoma-associated protein B domain

Rb_C PF08934.5 Rb C-terminal domain

RC-P840_PscD PF10657.4 Photosystem P840 reaction centre protein PscD

RcbX PF02341.10 RbcX protein

RCC1 PF00415.13 Regulator of chromosome condensation (RCC1) repeat

RCC1_2 PF13540.1 Regulator of chromosome condensation (RCC1) repeat

RCC_reductase PF06405.6 Red chlorophyll catabolite reductase (RCC reductase)

Rcd1 PF04078.8 Cell differentiation family, Rcd1-like

RCR PF12273.3 Chitin synthesis regulation, resistance to Congo red

RcsC PF09456.5 RcsC Alpha-Beta-Loop (ABL)

RCSD PF05177.7 RCSD region

RD3 PF14473.1 RD3 protein

RDD PF06271.7 RDD family

RdgC PF04381.7 Putative exonuclease, RdgC

RDM PF11002.3 RFPL defining motif (RDM)

RdRP PF05183.7 RNA dependent RNA polymerase

RdRP_1 PF00680.15 RNA dependent RNA polymerase

RdRP_2 PF00978.16 RNA dependent RNA polymerase

RdRP_3 PF00998.18 Viral RNA dependent RNA polymerase

RdRP_4 PF02123.11 Viral RNA-directed RNA-polymerase

RdRP_5 PF07925.6 Reovirus RNA-dependent RNA polymerase lambda 3

RDV-p3 PF09231.5 Rice dwarf virus p3

Rdx PF10262.4 Rdx family

RebB PF11747.3 Killing trait

REC114-like PF15165.1 Meiotic recombination protein REC114-like

RecA PF00154.16 recA bacterial DNA recombination protein

Receptor_2B4 PF11465.3 Natural killer cell receptor 2B4

Receptor_IA-2 PF11548.3 Protein-tyrosine phosphatase receptor IA-2

Recep_L_domain PF01030.19 Receptor L domain

Recombinase PF07508.8 Recombinase

RecO_C PF02565.10 Recombination protein O C terminal

RecO_N PF11967.3 Recombination protein O N terminal

RecO_N_2 PF13114.1 RecO N terminal

RecQ5 PF06959.6 RecQ helicase protein-like 5 (RecQ5)

RecR PF02132.10 RecR protein

RecT PF03837.9 RecT family

RecU PF03838.9 Recombination protein U

RecX PF02631.11 RecX family

Red1 PF07964.6 Rec10 / Red1

Redoxin PF08534.5 Redoxin

Reductase_C PF14759.1 Reductase C-terminal

RED_C PF07807.6 RED-like protein C-terminal region

RED_N PF07808.8 RED-like protein N-terminal region

Reeler PF02014.11 Reeler domain

REF PF05755.7 Rubber elongation factor protein (REF)

REGB_T4 PF10715.4 Endoribonuclease RegB T4-bacteriophage encoded

Regulator_TrmB PF11495.3 Archaeal transcriptional regulator TrmB

Reg_prop PF07494.6 Two component regulator propeller

REJ PF02010.10 REJ domain

Relaxase PF03432.9 Relaxase/Mobilisation nuclease domain

RelA_SpoT PF04607.12 Region found in RelA / SpoT proteins

RelB PF04221.7 RelB antitoxin

RelB_N PF12910.2 Antitoxin of toxin-antitoxin stability system N-terminal

RELT PF12606.3 Tumour necrosis factor receptor superfamily member 19

Remorin_C PF03763.8 Remorin, C-terminal region

Remorin_N PF03766.8 Remorin, N-terminal region

Renin_r PF07850.9 Renin receptor-like protein

Reoviridae_Vp9 PF08978.5 Reoviridae VP9

Reovirus_cap PF00979.12 Reovirus outer capsid protein, Sigma 3

Reovirus_L2 PF06016.6 Reovirus core-spike protein lambda-2 (L2)

Reovirus_M2 PF05993.7 Reovirus major virion structural protein Mu-1/Mu-1C (M2)

Reovirus_Mu2 PF07781.6 Reovirus minor core protein Mu-2

Reo_P9 PF06043.6 Reovirus P9-like family

Reo_sigma1 PF01664.11 Reovirus viral attachment protein sigma 1

Reo_sigmaC PF04582.7 Reovirus sigma C capsid protein

Rep-A_N PF04057.7 Replication factor-A protein 1, N-terminal domain

RepA1_leader PF08048.7 Tap RepA1 leader peptide

RepA_C PF04796.7 Plasmid encoded RepA protein

RepA_N PF06970.6 Replication initiator protein A (RepA) N-terminus

RepB PF07506.6 RepB plasmid partitioning protein

RepB-RCR_reg PF10723.4 Replication regulatory protein RepB

RepC PF06504.6 Replication protein C (RepC)

RepL PF05732.6 Firmicute plasmid replication protein (RepL)

Replicase PF03090.12 Replicase family

Replic_Relax PF13814.1 Replication-relaxation

Repressor_Mnt PF11423.3 Regulatory protein Mnt

Reprolysin PF01421.14 Reprolysin (M12B) family zinc metalloprotease

Reprolysin_2 PF13574.1 Metallo-peptidase family M12B Reprolysin-like

Reprolysin_3 PF13582.1 Metallo-peptidase family M12B Reprolysin-like

Reprolysin_4 PF13583.1 Metallo-peptidase family M12B Reprolysin-like

Reprolysin_5 PF13688.1 Metallo-peptidase family M12

Rep_1 PF01446.12 Replication protein

Rep_2 PF01719.12 Plasmid replication protein

Rep_3 PF01051.16 Initiator Replication protein

Rep_4 PF05797.6 Yeast trans-acting factor (REP1/REP2)

Rep_fac-A_3 PF08661.6 Replication factor A protein 3

Rep_fac-A_C PF08646.5 Replication factor-A C terminal domain

Rep_fac_C PF08542.6 Replication factor C C-terminal domain

Rep_N PF08724.5 Rep protein catalytic domain like

Rep_Org_C PF06926.6 Putative replisome organiser protein C-terminus

Rep_trans PF02486.14 Replication initiation factor

Requiem_N PF14051.1 N-terminal domain of DPF2/REQ.

Rer1 PF03248.8 Rer1 family

RES PF08808.6 RES domain

ResB PF05140.9 ResB-like family

ResIII PF04851.10 Type III restriction enzyme, res subunit

Resistin PF06954.6 Resistin

Resolvase PF00239.16 Resolvase, N terminal domain

RESP18 PF14948.1 RESP18 domain

Response_reg PF00072.19 Response regulator receiver domain

RestrictionMunI PF11407.3 Type II restriction enzyme MunI

RestrictionSfiI PF11487.3 Type II restriction enzyme SfiI

Reticulon PF02453.12 Reticulon

Retinal PF15449.1 Retinal protein

Retinin_C PF04527.7 Drosophila Retinin like protein

Retrotrans_gag PF03732.12 Retrotransposon gag protein

Retro_M PF02813.9 Retroviral M domain

Ret_tiss PF10044.4 Retinal tissue protein

REV PF00424.13 REV protein (anti-repression trans-activator protein)

RE_AccI PF09545.5 AccI restriction endonuclease

RE_Alw26IDE PF09665.5 Type II restriction endonuclease (RE_Alw26IDE)

RE_AlwI PF09491.5 AlwI restriction endonuclease

RE_ApaLI PF09499.5 ApaLI-like restriction endonuclease

RE_Bpu10I PF09549.5 Bpu10I restriction endonuclease

RE_Bsp6I PF09504.5 Bsp6I restriction endonuclease

RE_BstXI PF09552.5 BstXI restriction endonuclease

RE_CfrBI PF09516.5 CfrBI restriction endonuclease

RE_Eco29kI PF09517.5 Eco29kI restriction endonuclease

RE_Eco47II PF09553.5 Eco47II restriction endonuclease

RE_EcoO109I PF14511.1 Type II restriction endonuclease EcoO109I

RE_HaeII PF09554.5 HaeII restriction endonuclease

RE_HaeIII PF09556.5 HaeIII restriction endonuclease

RE_HindIII PF09518.5 HindIII restriction endonuclease

RE_HindVP PF09519.5 HindVP restriction endonuclease

RE_HpaII PF09561.5 HpaII restriction endonuclease

RE_LlaJI PF09563.5 LlaJI restriction endonuclease

RE_LlaMI PF09562.5 LlaMI restriction endonuclease

RE_MamI PF09567.5 MamI restriction endonuclease

RE_MjaI PF09568.5 MjaI restriction endonuclease

RE_NgoBV PF09564.5 NgoBV restriction endonuclease

RE_NgoFVII PF09565.5 NgoFVII restriction endonuclease

RE_NgoPII PF09521.5 NgoPII restriction endonuclease

RE_R_Pab1 PF09522.5 R.Pab1 restriction endonuclease

RE_SacI PF09566.5 SacI restriction endonuclease

RE_ScaI PF09569.5 ScaI restriction endonuclease

RE_SinI PF09570.5 SinI restriction endonuclease

RE_TaqI PF09573.5 TaqI restriction endonuclease

RE_TdeIII PF09520.5 Type II restriction endonuclease, TdeIII

RE_XamI PF09572.5 XamI restriction endonuclease

RE_XcyI PF09571.5 XcyI restriction endonuclease

RF-1 PF00472.15 RF-1 domain

RFamide_26RFa PF11109.3 Orexigenic neuropeptide Qrfp/P518

RFC1 PF08519.7 Replication factor RFC1 C terminal domain

RFPL3_antisense PF10489.4 Ret finger protein-like 3 antisense

Rft-1 PF04506.8 Rft protein

RFX1_trans_act PF04589.8 RFX1 transcription activation region

RFX5_DNA_bdg PF14621.1 RFX5 DNA-binding domain

RFXA_RFXANK_bdg PF15289.1 Regulatory factor X-associated C-terminal binding domain

RFX_DNA_binding PF02257.10 RFX DNA-binding domain

RGCC PF15151.1 Response gene to complement 32 protein family

RGM_C PF06534.8 Repulsive guidance molecule (RGM) C-terminus

RGM_N PF06535.7 Repulsive guidance molecule (RGM) N-terminus

RGP PF03214.8 Reversibly glycosylated polypeptide

Rgp1 PF08737.5 Rgp1

RgpF PF05045.7 Rhamnan synthesis protein F

RGS PF00615.14 Regulator of G protein signaling domain

RGS-like PF09128.6 Regulator of G protein signalling-like domain

RhaA PF06134.6 L-rhamnose isomerase (RhaA)

Rhabdo_glycop PF00974.13 Rhabdovirus spike glycoprotein

Rhabdo_M1 PF03342.8 Rhabdovirus M1 matrix protein (M1 polymerase-associated protein)

Rhabdo_M2 PF04785.7 Rhabdovirus matrix protein M2

Rhabdo_matrix PF03397.9 Rhabdovirus matrix protein

Rhabdo_ncap PF00945.13 Rhabdovirus nucleocapsid protein

Rhabdo_ncap_2 PF03216.8 Rhabdovirus nucleoprotein

Rhabdo_NV PF02484.10 Rhabdovirus Non-virion protein

Rhamnogal_lyase PF06045.6 Rhamnogalacturonate lyase family

Rhamno_transf PF11316.3 Putative rhamnosyl transferase

RhaT PF06379.7 L-rhamnose-proton symport protein (RhaT)

RHD PF00554.17 Rel homology domain (RHD)

RHD3 PF05879.7 Root hair defective 3 GTP-binding protein (RHD3)

RhgB_N PF09284.5 Rhamnogalacturonase B, N-terminal

RHH_1 PF01402.16 Ribbon-helix-helix protein, copG family

RHH_2 PF03693.9 Uncharacterised protein family (UPF0156)

RHH_3 PF12651.2 Ribbon-helix-helix domain

RHH_4 PF13467.1 Ribbon-helix-helix domain

RHIM PF12721.2 RIP homotypic interaction motif

RHINO PF15319.1 RAD9, RAD1, HUS1-interacting nuclear orphan protein

Rhodanese PF00581.15 Rhodanese-like domain

RhodobacterPufX PF11511.3 Intrinsic membrane protein PufX

Rhodopsin_N PF10413.4 Amino terminal of the G-protein receptor rhodopsin

RhoGAP PF00620.22 RhoGAP domain

RhoGEF PF00621.15 RhoGEF domain

Rhomboid PF01694.17 Rhomboid family

Rhomboid_SP PF12595.3 Rhomboid serine protease

Rho_Binding PF08912.6 Rho Binding

Rho_GDI PF02115.12 RHO protein GDP dissociation inhibitor

Rho_N PF07498.7 Rho termination factor, N-terminal domain

Rho_RNA_bind PF07497.7 Rho termination factor, RNA-binding domain

RHS PF03527.9 RHS protein

RHSP PF07999.6 Retrotransposon hot spot protein

RHS_repeat PF05593.9 RHS Repeat

Rhv PF00073.15 picornavirus capsid protein

Rib PF08428.5 Rib/alpha-like repeat

RIB43A PF05914.7 RIB43A

RibD_C PF01872.12 RibD C-terminal domain

Ribonuclease PF00545.15 ribonuclease

Ribonuclease_3 PF00636.21 Ribonuclease III domain

Ribonuclease_P PF00825.13 Ribonuclease P

Ribonuclease_T2 PF00445.13 Ribonuclease T2 family

Ribonucleas_3_2 PF11469.3 Ribonuclease III

Ribonucleas_3_3 PF14622.1 Ribonuclease-III-like

Ribonuc_2-5A PF06479.7 Ribonuclease 2-5A

Ribonuc_L-PSP PF01042.16 Endoribonuclease L-PSP

Ribonuc_P_40 PF08584.6 Ribonuclease P 40kDa (Rpp40) subunit

Ribonuc_red_2_N PF08471.5 Class II vitamin B12-dependent ribonucleotide reductase

Ribonuc_red_lgC PF02867.10 Ribonucleotide reductase, barrel domain

Ribonuc_red_lgN PF00317.16 Ribonucleotide reductase, all-alpha domain

Ribonuc_red_sm PF00268.16 Ribonucleotide reductase, small chain

Ribophorin_I PF04597.9 Ribophorin I

Ribophorin_II PF05817.9 Oligosaccharyltransferase subunit Ribophorin II

Ribosomal_60s PF00428.14 60s Acidic ribosomal protein

Ribosomal_L1 PF00687.16 Ribosomal protein L1p/L10e family

Ribosomal_L10 PF00466.15 Ribosomal protein L10

Ribosomal_L11 PF00298.14 Ribosomal protein L11, RNA binding domain

Ribosomal_L11_N PF03946.9 Ribosomal protein L11, N-terminal domain

Ribosomal_L12 PF00542.14 Ribosomal protein L7/L12 C-terminal domain

Ribosomal_L13 PF00572.13 Ribosomal protein L13

Ribosomal_L13e PF01294.13 Ribosomal protein L13e

Ribosomal_L14 PF00238.14 Ribosomal protein L14p/L23e

Ribosomal_L14e PF01929.12 Ribosomal protein L14

Ribosomal_L15e PF00827.12 Ribosomal L15

Ribosomal_L16 PF00252.13 Ribosomal protein L16p/L10e

Ribosomal_L17 PF01196.14 Ribosomal protein L17

Ribosomal_L18ae PF01775.12 Ribosomal L18ae/LX protein domain

Ribosomal_L18e PF00828.14 Ribosomal protein L18e/L15

Ribosomal_L18p PF00861.17 Ribosomal L18p/L5e family

Ribosomal_L18_c PF14204.1 Ribosomal L18 C-terminal region

Ribosomal_L19 PF01245.15 Ribosomal protein L19

Ribosomal_L19e PF01280.15 Ribosomal protein L19e

Ribosomal_L2 PF00181.18 Ribosomal Proteins L2, RNA binding domain

Ribosomal_L20 PF00453.13 Ribosomal protein L20

Ribosomal_L21e PF01157.13 Ribosomal protein L21e

Ribosomal_L21p PF00829.16 Ribosomal prokaryotic L21 protein

Ribosomal_L22 PF00237.14 Ribosomal protein L22p/L17e

Ribosomal_L22e PF01776.12 Ribosomal L22e protein family

Ribosomal_L23 PF00276.15 Ribosomal protein L23

Ribosomal_L23eN PF03939.8 Ribosomal protein L23, N-terminal domain

Ribosomal_L24e PF01246.15 Ribosomal protein L24e

Ribosomal_L25p PF01386.14 Ribosomal L25p family

Ribosomal_L27 PF01016.14 Ribosomal L27 protein

Ribosomal_L27e PF01777.13 Ribosomal L27e protein family

Ribosomal_L28 PF00830.14 Ribosomal L28 family

Ribosomal_L28e PF01778.12 Ribosomal L28e protein family

Ribosomal_L29 PF00831.18 Ribosomal L29 protein

Ribosomal_L29e PF01779.12 Ribosomal L29e protein family

Ribosomal_L2_C PF03947.13 Ribosomal Proteins L2, C-terminal domain

Ribosomal_L3 PF00297.17 Ribosomal protein L3

Ribosomal_L30 PF00327.15 Ribosomal protein L30p/L7e

Ribosomal_L30_N PF08079.7 Ribosomal L30 N-terminal domain

Ribosomal_L31 PF01197.13 Ribosomal protein L31

Ribosomal_L31e PF01198.14 Ribosomal protein L31e

Ribosomal_L32e PF01655.13 Ribosomal protein L32

Ribosomal_L32p PF01783.18 Ribosomal L32p protein family

Ribosomal_L33 PF00471.15 Ribosomal protein L33

Ribosomal_L34 PF00468.12 Ribosomal protein L34

Ribosomal_L34e PF01199.13 Ribosomal protein L34e

Ribosomal_L35Ae PF01247.13 Ribosomal protein L35Ae

Ribosomal_L35p PF01632.14 Ribosomal protein L35

Ribosomal_L36 PF00444.13 Ribosomal protein L36

Ribosomal_L36e PF01158.13 Ribosomal protein L36e

Ribosomal_L37 PF08561.5 Mitochondrial ribosomal protein L37

Ribosomal_L37ae PF01780.14 Ribosomal L37ae protein family

Ribosomal_L37e PF01907.14 Ribosomal protein L37e

Ribosomal_L38e PF01781.13 Ribosomal L38e protein family

Ribosomal_L39 PF00832.15 Ribosomal L39 protein

Ribosomal_L4 PF00573.17 Ribosomal protein L4/L1 family

Ribosomal_L40e PF01020.12 Ribosomal L40e family

Ribosomal_L41 PF05162.8 Ribosomal protein L41

Ribosomal_L44 PF00935.14 Ribosomal protein L44

Ribosomal_L5 PF00281.14 Ribosomal protein L5

Ribosomal_L50 PF10501.4 Ribosomal subunit 39S

Ribosomal_L5_C PF00673.16 ribosomal L5P family C-terminus

Ribosomal_L6 PF00347.18 Ribosomal protein L6

Ribosomal_L6e PF01159.14 Ribosomal protein L6e

Ribosomal_L6e_N PF03868.10 Ribosomal protein L6, N-terminal domain

Ribosomal_L7Ae PF01248.21 Ribosomal protein L7Ae/L30e/S12e/Gadd45 family

Ribosomal_L9_C PF03948.9 Ribosomal protein L9, C-terminal domain

Ribosomal_L9_N PF01281.14 Ribosomal protein L9, N-terminal domain

Ribosomal_S10 PF00338.17 Ribosomal protein S10p/S20e

Ribosomal_S11 PF00411.14 Ribosomal protein S11

Ribosomal_S13 PF00416.17 Ribosomal protein S13/S18

Ribosomal_S13_N PF08069.7 Ribosomal S13/S15 N-terminal domain

Ribosomal_S14 PF00253.16 Ribosomal protein S14p/S29e

Ribosomal_S15 PF00312.17 Ribosomal protein S15

Ribosomal_S16 PF00886.14 Ribosomal protein S16

Ribosomal_S17 PF00366.15 Ribosomal protein S17

Ribosomal_S17e PF00833.13 Ribosomal S17

Ribosomal_S18 PF01084.15 Ribosomal protein S18

Ribosomal_S19 PF00203.16 Ribosomal protein S19

Ribosomal_S19e PF01090.14 Ribosomal protein S19e

Ribosomal_S2 PF00318.15 Ribosomal protein S2

Ribosomal_S20p PF01649.13 Ribosomal protein S20

Ribosomal_S21 PF01165.15 Ribosomal protein S21

Ribosomal_S21e PF01249.13 Ribosomal protein S21e

Ribosomal_S22 PF08136.6 30S ribosomal protein subunit S22 family

Ribosomal_S24e PF01282.14 Ribosomal protein S24e

Ribosomal_S25 PF03297.10 S25 ribosomal protein

Ribosomal_S26e PF01283.14 Ribosomal protein S26e

Ribosomal_S27 PF01599.14 Ribosomal protein S27a

Ribosomal_S27e PF01667.12 Ribosomal protein S27

Ribosomal_S28e PF01200.13 Ribosomal protein S28e

Ribosomal_S30 PF04758.9 Ribosomal protein S30

Ribosomal_S30AE PF02482.14 Sigma 54 modulation protein / S30EA ribosomal protein

Ribosomal_S3Ae PF01015.13 Ribosomal S3Ae family

Ribosomal_S3_C PF00189.15 Ribosomal protein S3, C-terminal domain

Ribosomal_S4 PF00163.14 Ribosomal protein S4/S9 N-terminal domain

Ribosomal_S4e PF00900.15 Ribosomal family S4e

Ribosomal_S4Pg PF11993.3 Ribosomal S4P (gammaproteobacterial)

Ribosomal_S5 PF00333.15 Ribosomal protein S5, N-terminal domain

Ribosomal_S5_C PF03719.10 Ribosomal protein S5, C-terminal domain

Ribosomal_S6 PF01250.12 Ribosomal protein S6

Ribosomal_S6e PF01092.14 Ribosomal protein S6e

Ribosomal_S7 PF00177.16 Ribosomal protein S7p/S5e

Ribosomal_S7e PF01251.13 Ribosomal protein S7e

Ribosomal_S8 PF00410.14 Ribosomal protein S8

Ribosomal_S8e PF01201.17 Ribosomal protein S8e

Ribosomal_S9 PF00380.14 Ribosomal protein S9/S16

Ribosomal_TL5_C PF14693.1 Ribosomal protein TL5, C-terminal domain

Ribosom_S12_S23 PF00164.20 Ribosomal protein S12/S23

Ribos_L4_asso_C PF14374.1 60S ribosomal protein L4 C-terminal domain

Ribul_P_3_epim PF00834.14 Ribulose-phosphate 3 epimerase family

Rib_5-P_isom_A PF06026.9 Ribose 5-phosphate isomerase A (phosphoriboisomerase A)

Rib_hydrolayse PF02267.12 ADP-ribosyl cyclase

Rib_recp_KP_reg PF05104.7 Ribosome receptor lysine/proline rich region

RIC1 PF07064.8 RIC1

RIC3 PF15361.1 Resistance to inhibitors of cholinesterase homologue 3

Ric8 PF10165.4 Guanine nucleotide exchange factor synembryn

RICH PF05062.7 RICH domain

RicinB_lectin_2 PF14200.1 Ricin-type beta-trefoil lectin domain-like

Ricin_B_lectin PF00652.17 Ricin-type beta-trefoil lectin domain

Rick_17kDa_Anti PF05433.10 Glycine zipper 2TM domain

RICTOR_M PF14666.1 Rapamycin-insensitive companion of mTOR, middle domain

RICTOR_N PF14664.1 Rapamycin-insensitive companion of mTOR, N-term

RICTOR_phospho PF14665.1 Rapamycin-insensitive companion of mTOR, phosphorylation-site

RICTOR_V PF14668.1 Rapamycin-insensitive companion of mTOR, domain 5

Rieske PF00355.21 Rieske [2Fe-2S] domain

Rieske_2 PF13806.1 Rieske-like [2Fe-2S] domain

Rif1_N PF12231.3 Rap1-interacting factor 1 N terminal

Rifin_STEVOR PF02009.11 Rifin/stevor family

RIG-I_C-RD PF11648.3 C-terminal domain of RIG-I

RIH_assoc PF08454.6 RyR and IP3R Homology associated

RIIa PF02197.12 Regulatory subunit of type II PKA R-subunit

RII_binding_1 PF10522.4 RII binding domain

RILP PF11461.3 Rab interacting lysosomal protein

RimK PF08443.6 RimK-like ATP-grasp domain

RimM PF01782.13 RimM N-terminal domain

RinB PF06116.7 Transcriptional activator RinB

RINGv PF12906.2 RING-variant domain

Ring_hydroxyl_A PF00848.14 Ring hydroxylating alpha subunit (catalytic domain)

Ring_hydroxyl_B PF00866.13 Ring hydroxylating beta subunit

RINT1_TIP1 PF04437.8 RINT-1 / TIP-1 family

RIO1 PF01163.17 RIO1 family

Rio2_N PF09202.6 Rio2, N-terminal

RIP PF00161.14 Ribosome inactivating protein

Ripply PF14998.1 Transcription Regulator

RIX1 PF08167.7 rRNA processing/ribosome biogenesis

RL11D PF11088.3 Glycoprotein encoding membrane proteins RL5A and RL6

RLAN PF14401.1 RimK-like ATPgrasp N-terminal domain

RLI PF04068.10 Possible Fer4-like domain in RNase L inhibitor, RLI

RLL PF10036.4 Putative carnitine deficiency-associated protein

RloB PF13707.1 RloB-like protein

RMF PF04957.7 Ribosome modulation factor

RmlD_sub_bind PF04321.12 RmlD substrate binding domain

RMMBL PF07521.7 RNA-metabolising metallo-beta-lactamase

RMP PF14996.1 Retinal Maintenance

RmuC PF02646.11 RmuC family

RNA12 PF10443.4 RNA12 protein

RnaseA PF00074.15 Pancreatic ribonuclease

RNaseH_C PF09293.5 T4 RNase H, C terminal

RNase_E_G PF10150.4 Ribonuclease E/G family

RNase_H PF00075.19 RNase H

RNase_H2-Ydr279 PF09468.5 Ydr279p protein family (RNase H2 complex component)

RNase_H2_suC PF08615.6 Ribonuclease H2 non-catalytic subunit (Ylr154p-like)

RNase_HII PF01351.13 Ribonuclease HII

RNase_H_2 PF13482.1 RNase_H superfamily

RNase_PH PF01138.16 3' exoribonuclease family, domain 1

RNase_PH_C PF03725.10 3' exoribonuclease family, domain 2

RNase_P_p30 PF01876.11 RNase P subunit p30

RNase_P_pop3 PF08228.6 RNase P subunit Pop3

RNase_P_Rpp14 PF01900.14 Rpp14/Pop5 family

RNase_T PF00929.19 Exonuclease

RNase_Zc3h12a PF11977.3 Zc3h12a-like Ribonuclease NYN domain

RNase_Zc3h12a_2 PF14626.1 Zc3h12a-like Ribonuclease NYN domain

RNA_bind PF08675.6 RNA binding domain

RNA_binding PF01877.12 RNA binding

RNA_bind_2 PF10133.4 Predicted RNA-binding protein

RNA_capsid PF03035.9 Calicivirus putative RNA polymerase/capsid protein

RNA_GG_bind PF10258.4 PHAX RNA-binding domain

RNA_helicase PF00910.17 RNA helicase

RNA_ligase PF09414.5 RNA ligase

RNA_lig_T4_1 PF09511.5 RNA ligase

RNA_Me_trans PF04252.8 Predicted SAM-dependent RNA methyltransferase

RNA_pol PF00940.14 DNA-dependent RNA polymerase

RNA_polI_A14 PF08203.6 Yeast RNA polymerase I subunit RPA14

RNA_polI_A34 PF08208.6 DNA-directed RNA polymerase I subunit RPA34.5

RNA_pol_3_Rpc31 PF11705.3 DNA-directed RNA polymerase III subunit Rpc31

RNA_pol_A_bac PF01000.21 RNA polymerase Rpb3/RpoA insert domain

RNA_pol_A_CTD PF03118.10 Bacterial RNA polymerase, alpha chain C terminal domain

RNA_pol_I_A49 PF06870.7 A49-like RNA polymerase I associated factor

RNA_pol_I_TF PF04090.7 RNA polymerase I specific initiation factor

RNA_pol_L PF01193.19 RNA polymerase Rpb3/Rpb11 dimerisation domain

RNA_pol_L_2 PF13656.1 RNA polymerase Rpb3/Rpb11 dimerisation domain

RNA_POL_M_15KD PF02150.11 RNA polymerases M/15 Kd subunit

RNA_pol_N PF01194.12 RNA polymerases N / 8 kDa subunit

RNA_pol_Rbc25 PF08292.7 RNA polymerase III subunit Rpc25

RNA_pol_Rpa2_4 PF06883.7 RNA polymerase I, Rpa2 specific domain

RNA_pol_Rpb1_1 PF04997.7 RNA polymerase Rpb1, domain 1

RNA_pol_Rpb1_2 PF00623.15 RNA polymerase Rpb1, domain 2

RNA_pol_Rpb1_3 PF04983.13 RNA polymerase Rpb1, domain 3

RNA_pol_Rpb1_4 PF05000.12 RNA polymerase Rpb1, domain 4

RNA_pol_Rpb1_5 PF04998.12 RNA polymerase Rpb1, domain 5

RNA_pol_Rpb1_6 PF04992.9 RNA polymerase Rpb1, domain 6

RNA_pol_Rpb1_7 PF04990.7 RNA polymerase Rpb1, domain 7

RNA_pol_Rpb1_R PF05001.8 RNA polymerase Rpb1 C-terminal repeat

RNA_pol_Rpb2_1 PF04563.10 RNA polymerase beta subunit

RNA_pol_Rpb2_2 PF04561.9 RNA polymerase Rpb2, domain 2

RNA_pol_Rpb2_3 PF04565.11 RNA polymerase Rpb2, domain 3

RNA_pol_Rpb2_4 PF04566.8 RNA polymerase Rpb2, domain 4

RNA_pol_Rpb2_45 PF10385.4 RNA polymerase beta subunit external 1 domain

RNA_pol_Rpb2_5 PF04567.12 RNA polymerase Rpb2, domain 5

RNA_pol_Rpb2_6 PF00562.23 RNA polymerase Rpb2, domain 6

RNA_pol_Rpb2_7 PF04560.15 RNA polymerase Rpb2, domain 7

RNA_pol_Rpb4 PF03874.11 RNA polymerase Rpb4

RNA_pol_Rpb5_C PF01191.14 RNA polymerase Rpb5, C-terminal domain

RNA_pol_Rpb5_N PF03871.9 RNA polymerase Rpb5, N-terminal domain

RNA_pol_Rpb6 PF01192.17 RNA polymerase Rpb6

RNA_pol_Rpb8 PF03870.10 RNA polymerase Rpb8

RNA_pol_Rpc34 PF05158.7 RNA polymerase Rpc34 subunit

RNA_pol_Rpc4 PF05132.9 RNA polymerase III RPC4

RNA_pol_Rpc82 PF05645.8 RNA polymerase III subunit RPC82

RNA_pol_Rpo13 PF12136.3 RNA polymerase Rpo13 subunit HTH domain

RNA_replicase_B PF03431.8 RNA replicase, beta-chain

RNB PF00773.14 RNB domain

Rnf-Nqr PF02508.9 Rnf-Nqr subunit, membrane protein

RNF111_N PF15303.1 E3 ubiquitin-protein ligase Arkadia N-terminus

RnfC_N PF13375.1 RnfC Barrel sandwich hybrid domain

RNHCP PF12647.2 RNHCP domain

Rnk_N PF14760.1 Rnk N-terminus

RNR_inhib PF08591.5 Ribonucleotide reductase inhibitor

RNR_N PF08343.5 Ribonucleotide reductase N-terminal

Robl_LC7 PF03259.12 Roadblock/LC7 domain

Rod-binding PF10135.4 Rod binding protein

Rod_C PF10493.4 Rough deal protein C-terminal region

Rod_cone_degen PF15201.1 Progressive rod-cone degeneration

ROF PF07073.7 Modulator of Rho-dependent transcription termination (ROF)

Rogdi_lz PF10259.4 Rogdi leucine zipper containing protein

ROK PF00480.15 ROK family

ROKNT PF08067.6 ROKNT (NUC014) domain

RolB_RolC PF02027.12 RolB/RolC glucosidase family

Romo1 PF10247.4 Reactive mitochondrial oxygen species modulator 1

Rootletin PF15035.1 Ciliary rootlet component, centrosome cohesion

Root_cap PF06830.6 Root cap

Rop PF01815.11 Rop protein

Rop-like PF05082.8 Rop-like

Rossmann-like PF10727.4 Rossmann-like domain

ROS_MUCR PF05443.6 ROS/MUCR transcriptional regulator protein

Rot1 PF10681.4 Chaperone for protein-folding within the ER, fungal

Rotamase PF00639.16 PPIC-type PPIASE domain

Rotamase_2 PF13145.1 PPIC-type PPIASE domain

Rotamase_3 PF13616.1 PPIC-type PPIASE domain

Rotavirus_VP1 PF12289.3 Rotavirus VP1 structural protein

Rotavirus_VP3 PF06929.6 Rotavirus VP3 protein

Rotavirus_VP7 PF05868.6 Rotavirus major outer capsid protein VP7

Rota_Capsid_VP6 PF00980.12 Rotavirus major capsid protein VP6

Rota_NS26 PF01525.11 Rotavirus NS26

Rota_NS35 PF02509.9 Rotavirus non-structural protein 35

Rota_NS53 PF00981.12 Rotavirus RNA-binding Protein 53 (NS53)

Rota_NS6 PF04866.7 Rotavirus non-structural protein 6

Rota_NSP3 PF01665.11 Rotavirus non-structural protein NSP3

Rota_NSP4 PF01452.11 Rotavirus non structural protein

Rota_VP2 PF05087.7 Rotavirus VP2 protein

Roughex PF06020.6 Drosophila roughex protein

Rox3 PF08633.5 Rox3 mediator complex subunit

RP-C PF03428.8 Replication protein C N-terminal domain

RP-C_C PF11800.3 Replication protein C C-terminal region

RP1-2 PF12042.3 Tubuliform egg casing silk strands structural domain

RPA PF10134.4 Replication initiator protein A

RPAP1_C PF08620.5 RPAP1-like, C-terminal

RPAP1_N PF08621.5 RPAP1-like, N-terminal

RPAP2_Rtr1 PF04181.8 Rtr1/RPAP2 family

RPAP3_C PF13877.1 Potential Monad-binding region of RPAP3

RPA_C PF08784.6 Replication protein A C terminal

RPA_interact_C PF14768.1 Replication protein A interacting C-terminal

RPA_interact_M PF14767.1 Replication protein A interacting middle

RPA_interact_N PF14766.1 Replication protein A interacting N-terminal

RPE65 PF03055.10 Retinal pigment epithelial membrane protein

RPEL PF02755.10 RPEL repeat

RPM2 PF08579.6 Mitochondrial ribonuclease P subunit (RPM2)

Rpn3_C PF08375.6 Proteasome regulatory subunit C-terminal

RPN7 PF10602.4 26S proteasome subunit RPN7

RPOL_N PF14700.1 DNA-directed RNA polymerase N-terminal

Rpp20 PF12328.3 Rpp20 subunit of nuclear RNase MRP and P

Rpr2 PF04032.11 RNAse P Rpr2/Rpp21/SNM1 subunit domain

RPT PF13446.1 A repeated domain in UCH-protein

RPW8 PF05659.6 Arabidopsis broad-spectrum mildew resistance protein RPW8

RQC PF09382.5 RQC domain

RraB PF06877.6 Regulator of ribonuclease activity B

RRF PF01765.14 Ribosome recycling factor

Rrf2 PF02082.15 Transcriptional regulator

RRF_GI PF12614.3 Ribosome recycling factor

RRM PF10378.4 Putative RRM domain

RRM_1 PF00076.17 RNA recognition motif. (a.k.a. RRM, RBD, or RNP domain)

RRM_2 PF04059.7 RNA recognition motif 2

RRM_3 PF08777.6 RNA binding motif

RRM_4 PF10598.4 RNA recognition motif of the spliceosomal PrP8

RRM_5 PF13893.1 RNA recognition motif. (a.k.a. RRM, RBD, or RNP domain)

RRM_6 PF14259.1 RNA recognition motif (a.k.a. RRM, RBD, or RNP domain)

RRM_DME PF15628.1 RRM in Demeter

RRN3 PF05327.6 RNA polymerase I specific transcription initiation factor RRN3

Rrn6 PF10214.4 RNA polymerase I-specific transcription-initiation factor

RRN7 PF11781.3 RNA polymerase I-specific transcription initiation factor Rrn7

RRN9 PF10680.4 RNA polymerase I specific transcription initiation factor

RrnaAD PF00398.15 Ribosomal RNA adenine dimethylase

RRP14 PF15459.1 60S ribosome biogenesis protein Rrp14

Rrp15p PF07890.7 Rrp15p

RRP7 PF12923.2 Ribosomal RNA-processing protein 7 (RRP7)

RRS1 PF04939.7 Ribosome biogenesis regulatory protein (RRS1)

RRXRR PF14239.1 RRXRR protein

RR_TM4-6 PF06459.7 Ryanodine Receptor TM 4-6

RS4NT PF08071.7 RS4NT (NUC023) domain

Rsa3 PF14615.1 Ribosome-assembly protein 3

RsbRD_N PF14361.1 RsbT co-antagonist protein rsbRD N-terminal domain

Rsbr_N PF08678.5 Rsbr N terminal

RsbU_N PF08673.5 Phosphoserine phosphatase RsbU, N-terminal domain

Rsc14 PF08586.5 RSC complex, Rsc14/Ldb7 subunit

RSD-2 PF07547.8 RSD-2 N-terminal domain

Rsd_AlgQ PF04353.8 Regulator of RNA polymerase sigma(70) subunit, Rsd/AlgQ

RseA_C PF03873.8 Anti sigma-E protein RseA, C-terminal domain

RseA_N PF03872.8 Anti sigma-E protein RseA, N-terminal domain

RseC_MucC PF04246.7 Positive regulator of sigma(E), RseC/MucC

RSF PF14876.1 Respiratory growth transcriptional regulator

RsgI_N PF12791.2 Anti-sigma factor N-terminus

RskA PF10099.4 Anti-sigma-K factor rskA

Rsm1 PF08600.5 Rsm1-like

Rsm22 PF09243.5 Mitochondrial small ribosomal subunit Rsm22

RsmJ PF04378.8 Ribosomal RNA small subunit methyltransferase D, RsmJ

RSN1_TM PF13967.1 Late exocytosis, associated with Golgi transport

RSS_P20 PF11757.3 Suppressor of RNA silencing P21-like

RST PF12174.3 RCD1-SRO-TAF4 (RST) plant domain

RSV_NS2 PF03113.9 Respiratory synctial virus non-structural protein NS2

RTA1 PF04479.8 RTA1 like protein

RTBV_P12 PF06361.6 Rice tungro bacilliform virus P12 protein

RTBV_P46 PF06216.6 Rice tungro bacilliform virus P46 protein

RTC PF01137.16 RNA 3'-terminal phosphate cyclase

RTC4 PF14474.1 RTC4-like domain

RtcB PF01139.12 tRNA-splicing ligase RtcB

RtcR PF06956.6 Regulator of RNA terminal phosphate cyclase

RTC_insert PF05189.8 RNA 3'-terminal phosphate cyclase (RTC), insert domain

RteC PF09357.5 RteC protein

Rtf2 PF04641.7 Rtf2 RING-finger

RTP PF02334.11 Replication terminator protein

RTP801_C PF07809.6 RTP801 C-terminal region

Rtt102p PF09510.5 Rtt102p-like transcription regulator protein

Rtt106 PF08512.7 Histone chaperone Rttp106-like

RTTN_N PF14726.1 Rotatin, an armadillo repeat protein, centriole functioning

RTX PF02382.10 RTX N-terminal domain

RtxA PF07634.6 RtxA repeat

RTX_C PF08339.5 RTX C-terminal domain

Rubella_Capsid PF05750.6 Rubella capsid protein

Rubella_E1 PF05748.6 Rubella membrane glycoprotein E1

Rubella_E2 PF05749.6 Rubella membrane glycoprotein E2

Rubis-subs-bind PF09273.6 Rubisco LSMT substrate-binding

RuBisCO_large PF00016.15 Ribulose bisphosphate carboxylase large chain, catalytic domain

RuBisCO_large_N PF02788.11 Ribulose bisphosphate carboxylase large chain, N-terminal domain

RuBisCO_small PF00101.15 Ribulose bisphosphate carboxylase, small chain

Rubi_NSP_C PF12601.3 Rubivirus non-structural protein

Rubredoxin PF00301.15 Rubredoxin

Rubrerythrin PF02915.12 Rubrerythrin

RUN PF02759.14 RUN domain

Runt PF00853.14 Runt domain

RunxI PF08504.6 Runx inhibition domain

RusA PF05866.6 Endodeoxyribonuclease RusA

RuvA_C PF07499.8 RuvA, C-terminal domain

RuvA_N PF01330.16 RuvA N terminal domain

RuvB_C PF05491.8 Holliday junction DNA helicase ruvB C-terminus

RuvB_N PF05496.7 Holliday junction DNA helicase ruvB N-terminus

RuvC PF02075.12 Crossover junction endodeoxyribonuclease RuvC

RVP PF00077.15 Retroviral aspartyl protease

RVP_2 PF08284.6 Retroviral aspartyl protease

RVT_1 PF00078.22 Reverse transcriptase (RNA-dependent DNA polymerase)

RVT_2 PF07727.9 Reverse transcriptase (RNA-dependent DNA polymerase)

RVT_3 PF13456.1 Reverse transcriptase-like

RVT_connect PF06815.8 Reverse transcriptase connection domain

RVT_N PF13655.1 N-terminal domain of reverse transcriptase

RVT_thumb PF06817.9 Reverse transcriptase thumb domain

RWD PF05773.17 RWD domain

RWP-RK PF02042.10 RWP-RK domain

RXT2_N PF08595.6 RXT2-like, N-terminal

Rxt3 PF08642.5 Histone deacetylation protein Rxt3

RYDR_ITPR PF01365.16 RIH domain

RyR PF02026.11 RyR domain

Rz1 PF06085.6 Lipoprotein Rz1 precursor

R_equi_Vir PF05526.6 Rhodococcus equi virulence-associated protein

rOmpB PF12334.3 Rickettsia outer membrane protein B

rpo132 PF12415.3 Poxvirus DNA dependent RNA polymerase

rpo30_N PF12410.3 Poxvirus DNA dependent RNA polymerase 30kDa subunit

rRNA_methylase PF06962.7 Putative rRNA methylase

rRNA_proc-arch PF13234.1 rRNA-processing arch domain

rRNA_processing PF08524.6 rRNA processing

rve PF00665.21 Integrase core domain

rve_2 PF13333.1 Integrase core domain

rve_3 PF13683.1 Integrase core domain