Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004124 | molecular_function | cysteine synthase activity |
| A | 0005515 | molecular_function | protein binding |
| A | 0005576 | cellular_component | extracellular region |
| A | 0005737 | cellular_component | cytoplasm |
| A | 0005829 | cellular_component | cytosol |
| 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 |
| A | 0030170 | molecular_function | pyridoxal phosphate binding |
| A | 0080146 | molecular_function | L-cysteine desulfhydrase activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 19 |
| Details | BINDING SITE FOR RESIDUE PLP A 1301 |
| Chain | Residue |
| A | LYS44 |
| A | GLN221 |
| A | GLY222 |
| A | ILE223 |
| A | SER266 |
| A | PRO293 |
| A | ASP294 |
| A | HOH2033 |
| A | HOH2054 |
| A | HOH2062 |
| A | HOH2065 |
| A | ASN74 |
| A | GLY176 |
| A | VAL177 |
| A | GLY178 |
| A | THR179 |
| A | GLY180 |
| A | GLY181 |
| A | THR182 |
| site_id | AC2 |
| Number of Residues | 14 |
| Details | BINDING SITE FOR RESIDUE AWH A 1302 |
| Chain | Residue |
| A | THR71 |
| A | SER72 |
| A | GLY73 |
| A | ILE126 |
| A | GLN144 |
| A | PHE145 |
| A | LYS215 |
| A | GLY222 |
| A | GLY224 |
| A | ALA225 |
| A | PHE227 |
| A | HOH2023 |
| A | HOH2073 |
| A | HOH2078 |
| site_id | AC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE MPD A 1303 |
| Chain | Residue |
| A | LEU249 |
| A | ALA252 |
| A | ARG253 |
| A | VAL263 |
| A | GLY296 |
| site_id | AC4 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE MPD A 1304 |
| Chain | Residue |
| A | ASP247 |
| A | GLN276 |
| A | ARG279 |
Functional Information from PROSITE/UniProt
| site_id | PS00901 |
| Number of Residues | 19 |
| Details | CYS_SYNTHASE Cysteine synthase/cystathionine beta-synthase P-phosphate attachment site. KlEffn.PAnSVKdRiGvaM |
| Chain | Residue | Details |
| A | LYS33-MET51 | |
Functional Information from SwissProt/UniProt
| Chain | Residue | Details |
| A | ASN74 | |
| A | GLY178 | |
| A | SER266 | |
| Chain | Residue | Details |
| A | LYS44 | |
