Functional Information from GO Data
| Chain | GOid | namespace | contents |
| X | 0004124 | molecular_function | cysteine synthase activity |
| X | 0005737 | cellular_component | cytoplasm |
| X | 0006535 | biological_process | cysteine biosynthetic process from serine |
| X | 0016740 | molecular_function | transferase activity |
| X | 0016765 | molecular_function | transferase activity, transferring alkyl or aryl (other than methyl) groups |
| X | 0019344 | biological_process | cysteine biosynthetic process |
| X | 0080146 | molecular_function | L-cysteine desulfhydrase activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 9 |
| Details | binding site for residue GOL X 401 |
| Chain | Residue |
| X | LEU214 |
| X | THR248 |
| X | VAL249 |
| X | ASP250 |
| X | THR253 |
| X | ARG282 |
| X | HOH504 |
| X | HOH551 |
| X | HOH558 |
| site_id | AC2 |
| Number of Residues | 23 |
| Details | binding site for residue 0JO X 402 |
| Chain | Residue |
| X | LYS42 |
| X | THR69 |
| X | SER70 |
| X | ASN72 |
| X | THR73 |
| X | GLN143 |
| X | VAL176 |
| X | GLY177 |
| X | THR178 |
| X | GLY179 |
| X | GLY180 |
| X | SER181 |
| X | GLN227 |
| X | GLY228 |
| X | ILE229 |
| X | SER272 |
| X | PRO299 |
| X | SER300 |
| X | TYR305 |
| X | HOH548 |
| X | HOH554 |
| X | HOH561 |
| X | HOH563 |
Functional Information from PROSITE/UniProt
| site_id | PS00901 |
| Number of Residues | 19 |
| Details | CYS_SYNTHASE Cysteine synthase/cystathionine beta-synthase P-phosphate attachment site. KiEgrn.PSySVKcRiGanM |
| Chain | Residue | Details |
| X | LYS31-MET49 | |
Functional Information from SwissProt/UniProt
| Chain | Residue | Details |
| X | ARG35 | |
| X | LEU268 | |
| site_id | SWS_FT_FI3 |
| Number of Residues | 3 |
| Details | BINDING: BINDING => ECO:0000250 |
| Chain | Residue | Details |
| X | ASN72 | |
| X | GLY177 | |
| X | SER272 | |
| site_id | SWS_FT_FI4 |
| Number of Residues | 1 |
| Details | MOD_RES: N6-(pyridoxal phosphate)lysine => ECO:0000250 |
| Chain | Residue | Details |
| X | LYS42 | |
