Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004124 | molecular_function | cysteine synthase activity |
| A | 0006535 | biological_process | cysteine biosynthetic process from serine |
| A | 0016740 | molecular_function | transferase activity |
| A | 0016765 | molecular_function | transferase activity, transferring alkyl or aryl (other than methyl) groups |
| A | 0019344 | biological_process | cysteine biosynthetic process |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE CYS A 401 |
| Chain | Residue |
| A | LYS46 |
| A | CYS402 |
| A | PLP403 |
| A | THR74 |
| A | SER75 |
| A | ASN77 |
| A | THR78 |
| A | MET125 |
| A | GLN147 |
| A | PHE148 |
| A | GLY225 |
| site_id | AC2 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE CYS A 402 |
| Chain | Residue |
| A | SER75 |
| A | MET101 |
| A | MET125 |
| A | ILE223 |
| A | GLN224 |
| A | GLY225 |
| A | ILE226 |
| A | ALA228 |
| A | CYS401 |
| site_id | AC3 |
| Number of Residues | 20 |
| Details | BINDING SITE FOR RESIDUE PLP A 403 |
| Chain | Residue |
| A | LYS46 |
| A | ASN77 |
| A | GLY179 |
| A | VAL180 |
| A | GLY181 |
| A | THR182 |
| A | GLY183 |
| A | GLY184 |
| A | THR185 |
| A | GLN224 |
| A | GLY225 |
| A | ILE226 |
| A | SER269 |
| A | PRO296 |
| A | TYR302 |
| A | CYS401 |
| A | HOH521 |
| A | HOH541 |
| A | HOH550 |
| A | HOH601 |
Functional Information from PROSITE/UniProt
| site_id | PS00901 |
| Number of Residues | 19 |
| Details | CYS_SYNTHASE Cysteine synthase/cystathionine beta-synthase P-phosphate attachment site. KlEsmn.PAaSVKdRiGvsM |
| Chain | Residue | Details |
| A | LYS35-MET53 | |
