| ID | Protein Name | Function 1 | Function 2 | Species Name |
|---|---|---|---|---|
| 205 | CysK, Bacillus subtilis | Cysteine synthase, enzyme O-acetyl-serine + H2S = cysteine + acetate Amino-acid biosynthesis, biosynthesis of cysteine | transcriptional regulator regulates activity of CymR transcription factor forms complex with CymR that represses transcription of the CymR regulon | Bacillus subtilis |