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 | 5 |
| Details | BINDING SITE FOR RESIDUE OAS A 301 |
| Chain | Residue |
| A | GLU268 |
| A | TYR269 |
| X | LYS118 |
| X | GLY119 |
| X | MET120 |
| site_id | AC2 |
| Number of Residues | 22 |
| Details | BINDING SITE FOR CHAIN A OF PEPTIDE INHIBITOR |
| Chain | Residue |
| X | LLP42 |
| X | THR69 |
| X | GLY71 |
| X | ASN72 |
| X | THR73 |
| X | PRO93 |
| X | MET96 |
| X | SER97 |
| X | MET120 |
| X | GLN143 |
| X | PHE144 |
| X | GLY222 |
| X | PRO223 |
| X | HIS224 |
| X | GLY228 |
| X | ALA231 |
| X | HOH435 |
| X | HOH505 |
| A | OAS301 |
| A | HOH401 |
| A | HOH402 |
| A | HOH403 |
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 | LEU268 | |
| X | ARG35 | |
| site_id | SWS_FT_FI3 |
| Number of Residues | 3 |
| Details | BINDING: BINDING => ECO:0000250 |
| Chain | Residue | Details |
| X | SER272 | |
| X | GLY177 | |
| X | ASN72 | |
| site_id | SWS_FT_FI4 |
| Number of Residues | 1 |
| Details | MOD_RES: N6-(pyridoxal phosphate)lysine => ECO:0000250 |
| Chain | Residue | Details |
| X | LLP42 | |
