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Numbers 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
AccessionPfam codeDescription
PF14296O-ag_pol_WzyO-antigen polysaccharide polymerase Wzy
PF13425O-antigen_ligO-antigen ligase like membrane protein
PF10250O-FucTGDP-fucose protein O-fucosyltransferase
PF03977OAD_betaNa+-transporting oxaloacetate decarboxylase beta subunit
PF04277OAD_gammaOxaloacetate decarboxylase, gamma chain
PF14941OAFTranscriptional regulator, Out at first
PF04225OapAOpacity-associated protein A LysM-like domain
PF08525OapA_NOpacity-associated protein A N-terminal motif
PF03826OAROAR domain
PF10421OAS1_C2'-5'-oligoadenylate synthetase 1, domain 2, C-terminus
PF03137OATPOrganic Anion Transporter Polypeptide (OATP) family
PF07717OB_NTP_bindOligonucleotide/oligosaccharide-binding (OB)-fold
PF08206OB_RNBRibonuclease B OB domain
PF15506OCC1OCC1 family
PF07303Occludin_ELLOccludin homology domain
PF02423OCD_Mu_crystallOrnithine cyclodeaminase/mu-crystallin family
PF07051OCIAOvarian carcinoma immunoreactive antigen (OCIA)
PF05005OcnusJanus/Ocnus family (Ocnus)
PF08684ocrDNA mimic ocr
PF03373OctapeptideOctapeptide repeat
PF02317Octopine_DHNAD/NADP octopine/nopaline dehydrogenase, alpha-helical domain
PF02101Ocular_albOcular albinism type 1 protein
PF15424ODAMOdontogenic ameloblast-associated family
PF02100ODC_AZOrnithine decarboxylase antizyme
PF14778ODR4-likeOlfactory receptor 4-like
PF10717ODV-E18Occlusion-derived virus envelope protein ODV-E18
PF02321OEPOuter membrane efflux protein
PF02159Oest_recepOestrogen receptor
PF10637Ofd1_CTDDOxoglutarate and iron-dependent oxygenase degradation C-term
PF04680OGFr_IIIOpioid growth factor receptor repeat
PF04664OGFr_NOpioid growth factor receptor (OGFr) conserved region
PF07934OGG_N8-oxoguanine DNA glycosylase, N-terminal domain
PF04606Ogr_DeltaOgr/Delta-like zinc finger
PF14418OHAOST-HTH Associated domain
PF09349OHCU_decarboxOHCU decarboxylase
PF01276OKR_DC_1Orn/Lys/Arg decarboxylase, major domain
PF03711OKR_DC_1_COrn/Lys/Arg decarboxylase, C-terminal domain
PF03709OKR_DC_1_NOrn/Lys/Arg decarboxylase, N-terminal domain
PF09253Ole-e-6Pollen allergen ole e 6
PF01277OleosinOleosin
PF02191OLFOlfactomedin-like domain
PF06554Olfactory_markOlfactory marker protein
PF02410OligomerisationOligomerisation domain
PF08352oligo_HPYOligopeptide/dipeptide transporter, C-terminal region
PF13376OmdABacteriocin-protection, YdeI or OmpD-Associated
PF06357Omega-toxinOmega-atracotoxin
PF07764Omega_RepressOmega Transcriptional Repressor
PF11551Omp28Outer membrane protein Omp28
PF00691OmpAOmpA family
PF01389OmpA_membraneOmpA-like transmembrane domain
PF00215OMPdecaseOrotidine 5'-phosphate decarboxylase / HUMPS family
PF03938OmpHOuter membrane protein (OmpH-like)
PF01278OmptinOmptin family
PF03922OmpWOmpW family
PF13505OMP_b-brlOuter membrane protein beta-barrel domain
PF13568OMP_b-brl_2Outer membrane protein beta-barrel domain
PF14905OMP_b-brl_3Outer membrane protein beta-barrel family
PF03532OMS28_porinOMS28 porin
PF07047OPA3Optic atrophy 3 protein (OPA3)
PF02462OpacityOpacity family porin protein
PF07239OpcAOuter membrane protein OpcA
PF10128OpcA_G6PD_assemGlucose-6-phosphate dehydrogenase subunit
PF10129OpgC_COpgC protein
PF08618Opi1Transcription factor Opi1
PF01160Opiods_neuropepVertebrate endogenous opioids neuropeptide
PF12911OppC_NN-terminal TM domain of oligopeptide transport permease C
PF04966OprBCarbohydrate-selective porin, OprB family
PF03573OprDouter membrane porin, OprD family
PF05736OprFOprF membrane domain
PF03169OPTOPT oligopeptide transporter protein
PF11078Optomotor-blindOptomotor-blind protein N-terminal region
PF04069OpuACSubstrate binding domain of ABC-type glycine betaine transport system
PF09463Opy2Opy2 protein
PF08035Op_neuropeptideOpioids neuropeptide
PF07856Orai-1Mediator of CRAC channel activity
PF01718Orbi_NS1Orbivirus non-structural protein NS1, or hydrophobic tubular protein
PF01616Orbi_NS3Orbivirus NS3
PF05788Orbi_VP1Orbivirus RNA-dependent RNA polymerase (VP1)
PF00898Orbi_VP2Orbivirus outer capsid protein VP2
PF01700Orbi_VP3Orbivirus VP3 (T2) protein
PF05059Orbi_VP4Orbivirus VP4 core protein
PF00901Orbi_VP5Orbivirus outer capsid protein VP5
PF01516Orbi_VP6Orbivirus helicase VP6
PF00897Orbi_VP7Orbivirus inner capsid protein VP7
PF04084ORC2Origin recognition complex subunit 2
PF07034ORC3_NOrigin recognition complex (ORC) subunit 3 N-terminus
PF14629ORC4_COrigin recognition complex (ORC) subunit 4 C-terminus
PF14630ORC5_COrigin recognition complex (ORC) subunit 5 C-terminus
PF05460ORC6Origin recognition complex subunit 6 (ORC6)
PF02072OrexinPrepro-orexin
PF03827Orexin_rec2Orexin receptor type 2
PF10549ORF11CD3ORF11CD3 domain
PF10552ORF6CORF6C domain
PF10543ORF6NORF6N domain
PF01385OrfB_IS605Probable transposase
PF07282OrfB_Zn_ribbonPutative transposase DNA-binding domain
PF09482OrgA_MxiKBacterial type III secretion apparatus protein (OrgA_MxiK)
PF04061ORMDLORMDL family
PF02088OrnatinOrnatin
PF02784Orn_Arg_deC_NPyridoxal-dependent decarboxylase, pyridoxal binding domain
PF00278Orn_DAP_Arg_deCPyridoxal-dependent decarboxylase, C-terminal sheet domain
PF02250Orthopox_35kD35kD major secreted virus protein
PF05950Orthopox_A36ROrthopoxvirus A36R protein
PF06517Orthopox_A43ROrthopoxvirus A43R protein
PF06334Orthopox_A47Orthopoxvirus A47 protein
PF06489Orthopox_A49ROrthopoxvirus A49R protein
PF06193Orthopox_A5LOrthopoxvirus A5L protein-like
PF07033Orthopox_B11ROrthopoxvirus B11R protein
PF07020Orthopox_C10LOrthopoxvirus C10L protein
PF06076Orthopox_F14Orthopoxvirus F14 protein
PF06601Orthopox_F6Orthopoxvirus F6 protein
PF05813Orthopox_F7Orthopoxvirus F7 protein
PF05886Orthopox_F8Orthopoxvirus F8 protein
PF07204Orthoreo_P10Orthoreovirus membrane fusion protein p10
PF07272Orthoreo_P17Orthoreovirus P17 protein
PF03392OS-DInsect pheromone-binding family, A10/OS-D
PF00213OSCPATP synthase delta (OSCP) subunit
PF10188Oscp1Organic solute transport protein 1
PF02566OsmCOsmC-like protein
PF08946Osmo_CCOsmosensory transporter coiled coil
PF09488Osmo_MPGsynthMannosyl-3-phosphoglycerate synthase (osmo_MPGsynth)
PF03207OspDBorrelia outer surface protein D (OspD)
PF02471OspEBorrelia outer surface protein E
PF12202OSR1_COxidative-stress-responsive kinase 1 C terminal
PF12872OST-HTHOST-HTH/LOTUS domain
PF04756OST3_OST6OST3 / OST6 family
PF10215Ost4Oligosaccaryltransferase
PF03968OstAOstA-like protein
PF13100OstA_2OstA-like protein
PF04453OstA_COrganic solvent tolerance protein
PF15048OSTbetaOrganic solute transporter subunit beta protein
PF00865OsteopontinOsteopontin
PF07175OsteoregulinOsteoregulin
PF09777OSTMP1Osteopetrosis-associated transmembrane protein 1 precursor
PF00185OTCaceAspartate/ornithine carbamoyltransferase, Asp/Orn binding domain
PF02729OTCace_NAspartate/ornithine carbamoyltransferase, carbamoyl-P binding domain
PF03189OtopetrinOtopetrin
PF15182OTOSOtospiralin
PF14441OTT_1508_deamOTT_1508-like deaminase
PF02338OTUOTU-like cysteine protease
PF04844OvateTranscriptional repressor, ovate
PF09791Oxidored-likeOxidoreductase-like protein, N-terminal
PF00724Oxidored_FMNNADH:flavin oxidoreductase / NADH oxidase family
PF00174Oxidored_molybOxidoreductase molybdopterin binding domain
PF00148Oxidored_nitroNitrogenase component 1 type Oxidoreductase
PF00361Oxidored_q1NADH-Ubiquinone/plastoquinone (complex I), various chains
PF01010Oxidored_q1_CNADH-Ubiquinone oxidoreductase (complex I) subunit C-terminus
PF00662Oxidored_q1_NNADH-Ubiquinone oxidoreductase (complex I), chain 5 N-terminus
PF00420Oxidored_q2NADH-ubiquinone/plastoquinone oxidoreductase chain 4L
PF00499Oxidored_q3NADH-ubiquinone/plastoquinone oxidoreductase chain 6
PF00507Oxidored_q4NADH-ubiquinone/plastoquinone oxidoreductase, chain 3
PF01059Oxidored_q5_NNADH-ubiquinone oxidoreductase chain 4, amino terminus
PF01058Oxidored_q6NADH ubiquinone oxidoreductase, 20 Kd subunit
PF12573OxoDH_E1alpha_N2-oxoisovalerate dehydrogenase E1 alpha subunit N terminal
PF09859Oxygenase-NAOxygenase, catalysing oxidative methylation of damaged DNA
PF01237Oxysterol_BPOxysterol-binding protein
PF08635ox_reductase_CPutative oxidoreductase C terminal