| 1-cysPrx_C | PF10417.2 | C-terminal domain of 1-Cys peroxiredoxin |
| 120_Rick_ant | PF12574.1 | 120kDa Rickettsia surface antigen |
| 14-3-3 | PF00244.13 | 14-3-3 protein |
| 2-Hacid_dh | PF00389.23 | D-isomer specific 2-hydroxyacid dehydrogenase, catalytic domain |
| 2-Hacid_dh_C | PF02826.12 | D-isomer specific 2-hydroxyacid dehydrogenase, NAD binding domain |
| 2-oxoacid_dh | PF00198.16 | 2-oxoacid dehydrogenases acyltransferase (catalytic domain) |
| 2-ph_phosp | PF04029.7 | 2-phosphosulpholactate phosphatase |
| 2CSK_N | PF08521.3 | Two-component sensor kinase N-terminal |
| 2C_adapt | PF08793.3 | 2-cysteine adaptor domain |
| 2Fe-2S_Ferredox | PF11591.1 | Ferredoxin chloroplastic transit peptide |
| 2H-phosphodiest | PF08975.3 | Domain of unknown function (DUF1868) |
| 2HCT | PF03390.8 | 2-hydroxycarboxylate transporter family |
| 2OG-FeII_Oxy | PF03171.13 | 2OG-Fe(II) oxygenase superfamily |
| 2_5_RNA_ligase | PF02834.9 | 2',5' RNA ligase family |
| 3-HAO | PF06052.5 | 3-hydroxyanthranilic acid dioxygenase |
| 3-PAP | PF12578.1 | Myotubularin-associated protein |
| 3A | PF00803.11 | 3A/RNA2 movement protein family |
| 3Beta_HSD | PF01073.12 | 3-beta hydroxysteroid dehydrogenase/isomerase family |
| 3D | PF06725.4 | 3D domain |
| 3H | PF02829.7 | 3H domain |
| 3HBOH | PF10605.2 | 3HB-oligomer hydrolase (3HBOH) |
| 3HCDH | PF00725.15 | 3-hydroxyacyl-CoA dehydrogenase, C-terminal domain |
| 3HCDH_N | PF02737.11 | 3-hydroxyacyl-CoA dehydrogenase, NAD binding domain |
| 3_5_exonuc | PF01612.13 | 3'-5' exonuclease |
| 4F5 | PF04419.7 | 4F5 protein family |
| 4HBT | PF03061.15 | Thioesterase superfamily |
| 4_1_CTD | PF05902.6 | 4.1 protein C-terminal domain (CTD) |
| 5-FTHF_cyc-lig | PF01812.13 | 5-formyltetrahydrofolate cyclo-ligase family |
| 5-nucleotidase | PF06189.5 | 5'-nucleotidase |
| 53-BP1_Tudor | PF09038.3 | Tumour suppressor p53-binding protein-1 Tudor |
| 5HT_transporter | PF03491.6 | Serotonin (5-HT) neurotransmitter transporter, N-terminus |
| 5TM-5TMR_LYT | PF07694.5 | 5TMR of 5TMR-LYT |
| 5_3_exonuc | PF01367.13 | 5'-3' exonuclease, C-terminal SAM fold |
| 5_3_exonuc_N | PF02739.9 | 5'-3' exonuclease, N-terminal resolvase-like domain |
| 5_nucleotid | PF05761.7 | 5' nucleotidase family |
| 5_nucleotid_C | PF02872.11 | 5'-nucleotidase, C-terminal domain |
| 60KD_IMP | PF02096.13 | 60Kd inner membrane protein |
| 6PF2K | PF01591.11 | 6-phosphofructo-2-kinase |
| 6PGD | PF00393.12 | 6-phosphogluconate dehydrogenase, C-terminal domain |
| 7kD_coat | PF02495.10 | 7kD viral coat protein |
| 7kD_DNA_binding | PF02294.11 | 7kD DNA-binding domain |
| 7TM-7TMR_HD | PF07698.4 | 7TM receptor with intracellular HD hydrolase |
| 7TMR-DISMED2 | PF07696.4 | 7TMR-DISM extracellular 2 |
| 7TMR-DISM_7TM | PF07695.4 | 7TM diverse intracellular signalling |
| 7TMR-HDED | PF07697.4 | 7TM-HD extracellular |
| 7tm_1 | PF00001.14 | 7 transmembrane receptor (rhodopsin family) |
| 7tm_2 | PF00002.17 | 7 transmembrane receptor (Secretin family) |
| 7tm_3 | PF00003.15 | 7 transmembrane sweet-taste receptor of 3 GCPR |
| 7tm_6 | PF02949.13 | 7tm Odorant receptor |
| 7tm_7 | PF08395.5 | 7tm Chemosensory receptor |
| 7TM_GPCR_Sra | PF02117.9 | Serpentine type 7TM GPCR chemoreceptor Sra |
| 7TM_GPCR_Srab | PF10292.2 | Serpentine type 7TM GPCR receptor class ab chemoreceptor |
| 7TM_GPCR_Srb | PF02175.9 | Serpentine type 7TM GPCR chemoreceptor Srb |
| 7TM_GPCR_Srbc | PF10316.2 | Serpentine type 7TM GPCR chemoreceptor Srbc |
| 7TM_GPCR_Srd | PF10317.2 | Serpentine type 7TM GPCR chemoreceptor Srd |
| 7TM_GPCR_Srh | PF10318.2 | Serpentine type 7TM GPCR chemoreceptor Srh |
| 7TM_GPCR_Sri | PF10327.2 | Serpentine type 7TM GPCR chemoreceptor Sri |
| 7TM_GPCR_Srj | PF10319.2 | Serpentine type 7TM GPCR chemoreceptor Srj |
| 7TM_GPCR_Srsx | PF10320.2 | Serpentine type 7TM GPCR chemoreceptor Srsx |
| 7TM_GPCR_Srt | PF10321.2 | Serpentine type 7TM GPCR chemoreceptor Srt |
| 7TM_GPCR_Sru | PF10322.2 | Serpentine type 7TM GPCR chemoreceptor Sru |
| 7TM_GPCR_Srv | PF10323.2 | Serpentine type 7TM GPCR chemoreceptor Srv |
| 7TM_GPCR_Srw | PF10324.2 | Serpentine type 7TM GPCR chemoreceptor Srw |
| 7TM_GPCR_Srx | PF10328.2 | Serpentine type 7TM GPCR chemoreceptor Srx |
| 7TM_GPCR_Srz | PF10325.2 | Serpentine type 7TM GPCR chemoreceptor Srz |
| 7TM_GPCR_Str | PF10326.2 | Serpentine type 7TM GPCR chemoreceptor Str |
| 87kDa_TransP | PF12596.1 | 87kDa Transposase |