4XB5
Structure of orange carotenoid protein binding canthaxanthin
Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0005515 | molecular_function | protein binding |
| A | 0009881 | molecular_function | photoreceptor activity |
| A | 0016037 | biological_process | light absorption |
| A | 0030076 | cellular_component | light-harvesting complex |
| A | 0030089 | cellular_component | phycobilisome |
| A | 0031404 | molecular_function | chloride ion binding |
| A | 0031676 | cellular_component | plasma membrane-derived thylakoid membrane |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 19 |
| Details | binding site for residue 45D A 501 |
| Chain | Residue |
| A | LEU37 |
| A | VAL158 |
| A | MET161 |
| A | TYR201 |
| A | LEU205 |
| A | CYS245 |
| A | LEU250 |
| A | VAL273 |
| A | MET284 |
| A | TRP288 |
| A | ILE303 |
| A | ILE40 |
| A | TRP41 |
| A | TYR44 |
| A | TRP110 |
| A | TYR111 |
| A | GLY114 |
| A | ILE151 |
| A | THR152 |
| site_id | AC2 |
| Number of Residues | 8 |
| Details | binding site for residue GOL A 502 |
| Chain | Residue |
| A | ALA55 |
| A | PRO56 |
| A | GLY57 |
| A | GLU174 |
| A | PRO276 |
| A | HOH683 |
| A | HOH711 |
| A | HOH745 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 151 |
| Details | Domain: {"description":"OCP N-terminal","evidences":[{"source":"PROSITE-ProRule","id":"PRU01109","evidenceCode":"ECO:0000255"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI2 |
| Number of Residues | 11 |
| Details | Binding site: {"description":"only in form RCP","evidences":[{"source":"PubMed","id":"26113721","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI3 |
| Number of Residues | 17 |
| Details | Binding site: {"description":"in forms OCP and RCP","evidences":[{"source":"PubMed","id":"20368334","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"26113721","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI4 |
| Number of Residues | 10 |
| Details | Binding site: {"description":"residues alter contact in forms OCP and RCP","evidences":[{"source":"PubMed","id":"20368334","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"26113721","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
| site_id | SWS_FT_FI5 |
| Number of Residues | 18 |
| Details | Binding site: {"description":"only in form OCP","evidences":[{"source":"PubMed","id":"20368334","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"26113721","evidenceCode":"ECO:0000269"}]} |
| Chain | Residue | Details |
