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Browse Pfam families

New Top twenty 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
ID Accession Type Number of sequences Average length Average %id Average coverage Has 3D Change status Description
Seed Full
O-ag_pol_Wzy PF14296 Family 29 375 415.20 39 91.97 Changed O-antigen polysaccharide polymerase Wzy
O-antigen_lig PF13425 Family 326 5848 156.00 16 35.08 Changed O-antigen ligase like membrane protein
O-FucT PF10250 Family 62 1215 302.80 22 67.15 Changed GDP-fucose protein O-fucosyltransferase
OAD_beta PF03977 Family 9 1424 354.20 54 94.72 Changed Na+-transporting oxaloacetate decarboxylase beta subunit
OAD_gamma PF04277 Family 96 1171 73.50 28 65.31 Changed Oxaloacetate decarboxylase, gamma chain
OAF PF14941 Family 7 85 210.50 50 81.54 New Transcriptional regulator, Out at first
OapA PF04225 Domain 12 1645 83.80 37 23.87 Changed Opacity-associated protein A LysM-like domain
OapA_N PF08525 Motif 45 1258 30.60 43 9.32 Changed Opacity-associated protein A N-terminal motif
OAR PF03826 Domain 45 968 20.70 51 6.33 Changed OAR domain
OAS1_C PF10421 Domain 49 511 173.60 46 48.00 Changed 2'-5'-oligoadenylate synthetase 1, domain 2, C-terminus
OATP PF03137 Family 16 1462 439.80 25 82.67 Changed Organic Anion Transporter Polypeptide (OATP) family
OB_NTP_bind PF07717 Domain 118 5209 134.10 22 12.53 Changed Oligonucleotide/oligosaccharide-binding (OB)-fold
OB_RNB PF08206 Domain 48 5260 58.60 30 10.43 Changed Ribonuclease B OB domain
OCC1 PF15506 Family 3 14 57.00 77 93.44 New OCC1 family
Occludin_ELL PF07303 Domain 18 504 98.70 38 19.03 Changed Occludin homology domain
OCD_Mu_crystall PF02423 Family 11 2697 299.80 23 91.90 Changed Ornithine cyclodeaminase/mu-crystallin family
OCIA PF07051 Family 13 172 101.90 43 49.93 Changed Ovarian carcinoma immunoreactive antigen (OCIA)
Ocnus PF05005 Family 22 220 104.80 40 67.16 Changed Janus/Ocnus family (Ocnus)
ocr PF08684 Family 3 48 97.00 83 90.53 Changed DNA mimic ocr
Octapeptide PF03373 Repeat 3 3282 8.00 83 23.91 Changed Octapeptide repeat
Octopine_DH PF02317 Family 47 615 146.60 33 43.51 Changed NAD/NADP octopine/nopaline dehydrogenase, alpha-helical domain
Ocular_alb PF02101 Family 2 77 326.40 45 95.20 Changed Ocular albinism type 1 protein
ODAM PF15424 Family 12 37 246.60 65 94.37 New Odontogenic ameloblast-associated family
ODC_AZ PF02100 Family 28 301 105.80 32 48.95 Changed Ornithine decarboxylase antizyme
ODR4-like PF14778 Family 38 177 313.30 28 78.69 New Olfactory receptor 4-like
ODV-E18 PF10717 Family 18 56 83.90 47 99.70 Changed Occlusion-derived virus envelope protein ODV-E18
OEP PF02321 Family 113 30969 187.10 16 75.76 Changed Outer membrane efflux protein
Oest_recep PF02159 Family 11 220 120.80 46 25.14 Changed Oestrogen receptor
Ofd1_CTDD PF10637 Domain 39 253 273.60 28 46.78 Changed Oxoglutarate and iron-dependent oxygenase degradation C-term
OGFr_III PF04680 Repeat 4 97 21.10 66 13.11 Changed Opioid growth factor receptor repeat
OGFr_N PF04664 Family 13 234 177.60 34 53.33 Changed Opioid growth factor receptor (OGFr) conserved region
OGG_N PF07934 Family 95 767 113.40 26 34.56 Changed 8-oxoguanine DNA glycosylase, N-terminal domain
Ogr_Delta PF04606 Family 67 983 46.70 40 45.45 Changed Ogr/Delta-like zinc finger
OHA PF14418 Domain 28 75 74.20 23 9.32 Changed OST-HTH Associated domain
OHCU_decarbox PF09349 Domain 139 1098 154.20 29 57.32 Changed OHCU decarboxylase
OKR_DC_1 PF01276 Domain 10 4944 379.60 33 61.32 Changed Orn/Lys/Arg decarboxylase, major domain
OKR_DC_1_C PF03711 Domain 32 4706 119.40 31 18.69 Changed Orn/Lys/Arg decarboxylase, C-terminal domain
OKR_DC_1_N PF03709 Domain 82 2923 108.10 28 15.04 Changed Orn/Lys/Arg decarboxylase, N-terminal domain
Ole-e-6 PF09253 Domain 3 13 39.50 54 51.09 Changed Pollen allergen ole e 6
Oleosin PF01277 Family 15 355 107.80 35 54.63 Changed Oleosin
OLF PF02191 Family 40 1087 245.70 37 33.48 Changed Olfactomedin-like domain
Olfactory_mark PF06554 Family 4 40 138.60 65 94.58 Changed Olfactory marker protein
Oligomerisation PF02410 Family 165 4456 97.70 36 72.41 Changed Oligomerisation domain
oligo_HPY PF08352 Family 59 28166 55.40 33 17.52 Changed Oligopeptide/dipeptide transporter, C-terminal region
OmdA PF13376 Family 168 1185 61.90 27 33.61 Changed Bacteriocin-protection, YdeI or OmpD-Associated
Omega-toxin PF06357 Family 2 17 37.10 79 71.75 Changed Omega-atracotoxin
Omega_Repress PF07764 Family 2 125 63.30 79 46.87 Changed Omega Transcriptional Repressor
Omp28 PF11551 Family 4 100 175.20 19 45.94 Changed Outer membrane protein Omp28
OmpA PF00691 Family 84 17270 97.50 27 31.23 Changed OmpA family
OmpA_membrane PF01389 Domain 13 1301 165.60 47 47.12 Changed OmpA-like transmembrane domain
OMPdecase PF00215 Domain 87 7126 216.50 23 86.65 Changed Orotidine 5'-phosphate decarboxylase / HUMPS family
OmpH PF03938 Domain 151 2754 154.60 21 89.11 Changed Outer membrane protein (OmpH-like)
Omptin PF01278 Family 7 512 275.50 56 92.86 Changed Omptin family
OmpW PF03922 Family 9 1853 183.40 37 85.72 Changed OmpW family
OMP_b-brl PF13505 Domain 190 7576 195.60 15 81.14 Changed Outer membrane protein beta-barrel domain
OMP_b-brl_2 PF13568 Domain 110 1717 183.40 15 70.26 Changed Outer membrane protein beta-barrel domain
OMP_b-brl_3 PF14905 Family 316 2158 472.30 13 60.34 New Outer membrane protein beta-barrel family
OMS28_porin PF03532 Family 2 39 167.90 72 99.15 Changed OMS28 porin
OPA3 PF07047 Family 19 343 139.30 29 65.35 Changed Optic atrophy 3 protein (OPA3)
Opacity PF02462 Family 4 799 133.70 47 70.81 Changed Opacity family porin protein
OpcA PF07239 Family 2 56 202.30 53 89.45 Changed Outer membrane protein OpcA
OpcA_G6PD_assem PF10128 Family 65 561 257.90 38 76.06 Changed Glucose-6-phosphate dehydrogenase subunit
OpgC_C PF10129 Family 62 563 345.30 29 88.01 Changed OpgC protein
Opi1 PF08618 Family 4 279 159.50 14 68.11 Changed Transcription factor Opi1
Opiods_neuropep PF01160 Family 31 202 44.50 39 20.36 Changed Vertebrate endogenous opioids neuropeptide
OppC_N PF12911 Domain 398 11398 54.70 23 17.25 Changed N-terminal TM domain of oligopeptide transport permease C
OprB PF04966 Family 48 1348 361.60 17 76.71 Changed Carbohydrate-selective porin, OprB family
OprD PF03573 Family 47 2107 371.00 27 90.15 Changed outer membrane porin, OprD family
OprF PF05736 Domain 4 245 163.40 62 55.34 Changed OprF membrane domain
OPT PF03169 Family 45 2900 534.50 19 86.15 Changed OPT oligopeptide transporter protein
Optomotor-blind PF11078 Family 3 125 86.40 95 25.50 Changed Optomotor-blind protein N-terminal region
OpuAC PF04069 Family 87 7137 253.50 21 72.82 Changed Substrate binding domain of ABC-type glycine betaine transport system
Opy2 PF09463 Family 15 95 35.20 46 8.07 Changed Opy2 protein
Op_neuropeptide PF08035 Family 14 584 23.60 87 11.63 Changed Opioids neuropeptide
Orai-1 PF07856 Family 15 268 183.50 52 64.56 Changed Mediator of CRAC channel activity
Orbi_NS1 PF01718 Family 7 185 452.80 51 99.24 Changed Orbivirus non-structural protein NS1, or hydrophobic tubular protein
Orbi_NS3 PF01616 Family 11 375 202.30 56 91.79 Changed Orbivirus NS3
Orbi_VP1 PF05788 Family 6 192 507.60 51 99.54 Changed Orbivirus RNA-dependent RNA polymerase (VP1)
Orbi_VP2 PF00898 Family 25 468 558.40 24 90.95 Changed Orbivirus outer capsid protein VP2
Orbi_VP3 PF01700 Family 7 204 531.10 67 98.12 Changed Orbivirus VP3 (T2) protein
Orbi_VP4 PF05059 Family 6 86 564.20 62 99.40 Changed Orbivirus VP4 core protein
Orbi_VP5 PF00901 Family 14 206 462.80 62 96.62 Changed Orbivirus outer capsid protein VP5
Orbi_VP6 PF01516 Family 3 135 255.80 52 93.72 Changed Orbivirus helicase VP6
Orbi_VP7 PF00897 Family 7 191 303.00 60 99.57 Changed Orbivirus inner capsid protein VP7
ORC2 PF04084 Family 31 329 306.80 30 59.16 Changed Origin recognition complex subunit 2
ORC3_N PF07034 Family 13 289 270.20 24 40.30 Changed Origin recognition complex (ORC) subunit 3 N-terminus
ORC4_C PF14629 Family 87 326 202.70 22 39.47 New Origin recognition complex (ORC) subunit 4 C-terminus
ORC5_C PF14630 Family 68 327 262.10 25 53.50 New Origin recognition complex (ORC) subunit 5 C-terminus
ORC6 PF05460 Family 28 219 235.70 21 72.06 Changed Origin recognition complex subunit 6 (ORC6)
Orexin PF02072 Family 3 54 111.00 55 75.78 Changed Prepro-orexin
Orexin_rec2 PF03827 Family 3 46 57.30 70 13.61 Changed Orexin receptor type 2
ORF11CD3 PF10549 Domain 9 414 56.50 43 32.33 Changed ORF11CD3 domain
ORF6C PF10552 Domain 23 471 108.30 23 46.84 Changed ORF6C domain
ORF6N PF10543 Domain 60 807 86.90 32 37.57 Changed ORF6N domain
OrfB_IS605 PF01385 Family 39 7021 194.50 20 55.24 Changed Probable transposase
OrfB_Zn_ribbon PF07282 Family 72 6607 69.10 32 19.70 Changed Putative transposase DNA-binding domain
OrgA_MxiK PF09482 Family 7 353 136.90 46 92.30 Changed Bacterial type III secretion apparatus protein (OrgA_MxiK)
ORMDL PF04061 Family 37 393 131.30 48 74.56 Changed ORMDL family
Ornatin PF02088 Family 2 7 37.90 75 84.39 Changed Ornatin
Orn_Arg_deC_N PF02784 Domain 17 10956 211.00 26 55.03 Changed Pyridoxal-dependent decarboxylase, pyridoxal binding domain
Orn_DAP_Arg_deC PF00278 Domain 105 9303 153.60 20 33.75 Changed Pyridoxal-dependent decarboxylase, C-terminal sheet domain
Orthopox_35kD PF02250 Domain 5 131 211.00 44 89.18 Changed 35kD major secreted virus protein
Orthopox_A36R PF05950 Family 3 57 129.00 92 68.68 Changed Orthopoxvirus A36R protein
Orthopox_A43R PF06517 Family 2 47 194.30 91 99.60 Changed Orthopoxvirus A43R protein
Orthopox_A47 PF06334 Family 2 47 220.20 90 98.68 Changed Orthopoxvirus A47 protein
Orthopox_A49R PF06489 Family 2 38 147.10 88 99.93 Changed Orthopoxvirus A49R protein
Orthopox_A5L PF06193 Family 13 77 234.50 51 91.58 Changed Orthopoxvirus A5L protein-like
Orthopox_B11R PF07033 Family 2 31 71.10 94 81.57 Changed Orthopoxvirus B11R protein
Orthopox_C10L PF07020 Family 4 34 62.90 80 98.48 Changed Orthopoxvirus C10L protein
Orthopox_F14 PF06076 Family 2 33 72.90 86 100.00 Changed Orthopoxvirus F14 protein
Orthopox_F6 PF06601 Family 2 33 71.80 88 96.03 Changed Orthopoxvirus F6 protein
Orthopox_F7 PF05813 Family 3 39 73.10 85 94.88 Changed Orthopoxvirus F7 protein
Orthopox_F8 PF05886 Family 2 53 62.00 73 96.53 Changed Orthopoxvirus F8 protein
Orthoreo_P10 PF07204 Family 3 41 88.50 50 66.91 Changed Orthoreovirus membrane fusion protein p10
Orthoreo_P17 PF07272 Family 6 41 135.80 57 98.51 Changed Orthoreovirus P17 protein
OS-D PF03392 Family 91 701 92.40 40 73.06 Changed Insect pheromone-binding family, A10/OS-D
OSCP PF00213 Family 192 4976 165.70 25 84.70 Changed ATP synthase delta (OSCP) subunit
Oscp1 PF10188 Family 10 139 170.40 48 48.65 Changed Organic solute transport protein 1
OsmC PF02566 Family 173 7485 100.10 21 63.21 Changed OsmC-like protein
Osmo_CC PF08946 Domain 10 544 46.10 82 9.30 Changed Osmosensory transporter coiled coil
Osmo_MPGsynth PF09488 Family 15 56 385.70 44 87.68 Changed Mannosyl-3-phosphoglycerate synthase (osmo_MPGsynth)
OspD PF03207 Family 2 24 218.40 86 98.61 Changed Borrelia outer surface protein D (OspD)
OspE PF02471 Family 8 87 108.10 74 60.70 Changed Borrelia outer surface protein E
OSR1_C PF12202 Domain 16 453 35.70 50 2.76 Changed Oxidative-stress-responsive kinase 1 C terminal
OST-HTH PF12872 Domain 234 1690 71.30 17 19.68 Changed OST-HTH/LOTUS domain
OST3_OST6 PF04756 Family 19 672 142.80 26 50.64 Changed OST3 / OST6 family
Ost4 PF10215 Family 12 156 34.50 44 50.21 Changed Oligosaccaryltransferase
OstA PF03968 Family 50 3517 121.40 23 30.26 Changed OstA-like protein
OstA_2 PF13100 Family 30 372 129.20 26 25.21 Changed OstA-like protein
OstA_C PF04453 Family 45 2046 363.00 25 49.70 Changed Organic solvent tolerance protein
OSTbeta PF15048 Family 9 37 122.30 45 82.98 New Organic solute transporter subunit beta protein
Osteopontin PF00865 Family 7 105 216.10 52 93.19 Changed Osteopontin
Osteoregulin PF07175 Family 3 78 174.70 55 34.65 Changed Osteoregulin
OSTMP1 PF09777 Family 10 112 211.00 35 74.45 Changed Osteopetrosis-associated transmembrane protein 1 precursor
OTCace PF00185 Domain 123 10559 158.00 28 43.70 Changed Aspartate/ornithine carbamoyltransferase, Asp/Orn binding domain
OTCace_N PF02729 Domain 105 10527 142.50 36 39.25 Changed Aspartate/ornithine carbamoyltransferase, carbamoyl-P binding domain
Otopetrin PF03189 Family 12 606 212.80 17 64.99 Changed Otopetrin
OTOS PF15182 Family 4 41 66.30 70 77.66 New Otospiralin
OTT_1508_deam PF14441 Family 23 207 165.50 15 29.16 Changed OTT_1508-like deaminase
OTU PF02338 Family 51 2248 124.90 19 19.92 Changed OTU-like cysteine protease
Ovate PF04844 Family 44 411 60.00 42 21.11 Changed Transcriptional repressor, ovate
Oxidored-like PF09791 Family 26 419 45.70 35 23.27 Changed Oxidoreductase-like protein, N-terminal
Oxidored_FMN PF00724 Domain 12 10595 312.00 28 71.36 Changed NADH:flavin oxidoreductase / NADH oxidase family
Oxidored_molyb PF00174 Domain 150 4576 159.10 27 44.65 Changed Oxidoreductase molybdopterin binding domain
Oxidored_nitro PF00148 Domain 116 3989 356.20 21 84.43 Changed Nitrogenase component 1 type Oxidoreductase
Oxidored_q1 PF00361 Family 33 91875 225.60 28 56.30 Changed NADH-Ubiquinone/plastoquinone (complex I), various chains
Oxidored_q1_C PF01010 Family 113 14159 225.10 56 42.75 Changed NADH-Ubiquinone oxidoreductase (complex I) subunit C-terminus
Oxidored_q1_N PF00662 Family 32 19906 60.60 42 9.78 Changed NADH-Ubiquinone oxidoreductase (complex I), chain 5 N-terminus
Oxidored_q2 PF00420 Family 194 10049 96.00 27 90.05 Changed NADH-ubiquinone/plastoquinone oxidoreductase chain 4L
Oxidored_q3 PF00499 Family 100 8649 152.30 22 84.54 Changed NADH-ubiquinone/plastoquinone oxidoreductase chain 6
Oxidored_q4 PF00507 Family 99 11473 105.50 45 89.88 Changed NADH-ubiquinone/plastoquinone oxidoreductase, chain 3
Oxidored_q5_N PF01059 Family 143 6646 104.90 37 24.78 Changed NADH-ubiquinone oxidoreductase chain 4, amino terminus
Oxidored_q6 PF01058 Family 169 7525 123.50 33 48.57 Changed NADH ubiquinone oxidoreductase, 20 Kd subunit
OxoDH_E1alpha_N PF12573 Family 28 200 42.80 58 10.39 Changed 2-oxoisovalerate dehydrogenase E1 alpha subunit N terminal
Oxygenase-NA PF09859 Domain 42 288 168.60 57 71.64 Changed Oxygenase, catalysing oxidative methylation of damaged DNA
Oxysterol_BP PF01237 Family 149 2468 330.10 27 52.43 Changed Oxysterol-binding protein
ox_reductase_C PF08635 Family 6 39 132.10 46 33.14 Changed Putative oxidoreductase C terminal
New Top twenty 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