Domains
- ABC transporter domain
- AB hydrolase-1 domain
- CBS domain
- CMP/dCMP-type deaminase domain
- Cupin 2 domain
- DAC domain
- DHH-DHHA1 domain
- DUF21 domain
- DUF4352
- EAL domain
- Exonuclease domain
- Fe/B12 periplasmic-binding domain
- Gamma-PGA hydrolase domain
- GGDEF domain
- GIY-YIG-domain
- Glutamine amidotransferase type-1 domain
- Glutamine amidotransferase type-2 domain
- HAMP domain
- HD domain
- Helicase ATP-binding domain
- Helicase C-terminal domain
- Histidine kinase domain
- HTH araC/xylS-type
- HTH arsR-type domain
- HTH cro/C1-type domain
- HTH marR-type domain
- KH domain
- LysM domain
- MurNAc-LAA domain
- N-acetylmuramoyl-L-alanine amidase domain
- N-acetyltransferase domain
- NlpC/P60 domain
- NodB homology domain
- PAC domain
- PAS domain
- PDZ domain
- Protein kinase domain
- PTS EIIA domain
- PTS EIIB domain
- PTS EIIC domain
- PTS regulation domain (PRD)
- YqgF/RNase H-like domain
- RCK C domain
- RCK N domain
- Response regulatory domain
- S1 domain
- S4 RNA-binding domain
- SH3B domain
- Sin domain
- SIS domain
- SpoVT-AbrB domain
- STAS domain
- TOPRIM domain
- TPR repeat
- TRAM domain
- tRNA-binding domain
- tr-type G domain
- UVR domain
