Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004769 | molecular_function | steroid delta-isomerase activity |
| A | 0008202 | biological_process | steroid metabolic process |
| A | 0016853 | molecular_function | isomerase activity |
| B | 0004769 | molecular_function | steroid delta-isomerase activity |
| B | 0008202 | biological_process | steroid metabolic process |
| B | 0016853 | molecular_function | isomerase activity |
| D | 0004769 | molecular_function | steroid delta-isomerase activity |
| D | 0008202 | biological_process | steroid metabolic process |
| D | 0016853 | molecular_function | isomerase activity |
| F | 0004769 | molecular_function | steroid delta-isomerase activity |
| F | 0008202 | biological_process | steroid metabolic process |
| F | 0016853 | molecular_function | isomerase activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 A 132 |
| Chain | Residue |
| A | ARG106 |
| A | THR115 |
| A | HOH166 |
| A | HOH210 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 A 133 |
| Chain | Residue |
| A | GLN30 |
| A | ARG50 |
| A | ARG112 |
| B | ARG58 |
| site_id | AC3 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 D 132 |
| Chain | Residue |
| D | HIS110 |
| D | ARG112 |
| A | HIS110 |
| site_id | AC4 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE SO4 D 133 |
| Chain | Residue |
| D | ALA33 |
| D | ASP34 |
| D | ASP35 |
| D | ASP108 |
| D | ARG112 |
| D | HOH178 |
| site_id | AC5 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 D 134 |
| Chain | Residue |
| D | ARG106 |
| D | THR115 |
| D | HOH164 |
| site_id | AC6 |
| Number of Residues | 20 |
| Details | BINDING SITE FOR RESIDUE EDT D 135 |
| Chain | Residue |
| A | THR71 |
| A | PRO73 |
| B | THR71 |
| B | ARG87 |
| B | HOH135 |
| D | THR71 |
| D | GLY72 |
| D | PRO73 |
| D | ARG75 |
| D | HOH147 |
| D | HOH150 |
| D | HOH155 |
| D | HOH194 |
| D | HOH195 |
| D | HOH198 |
| F | THR71 |
| F | GLY72 |
| F | PRO73 |
| F | ARG75 |
| F | HOH147 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 4 |
| Details | ACT_SITE: Proton donor |
| Chain | Residue | Details |
| A | ALA16 | |
| B | ALA16 | |
| D | ALA16 | |
| F | ALA16 | |
| site_id | SWS_FT_FI2 |
| Number of Residues | 4 |
| Details | ACT_SITE: Proton acceptor |
| Chain | Residue | Details |
| A | ASP40 | |
| B | ASP40 | |
| D | ASP40 | |
| F | ASP40 | |
| Chain | Residue | Details |
| A | ALA103 | |
| B | ALA103 | |
| D | ALA103 | |
| F | ALA103 | |
Catalytic Information from CSA
| site_id | MCSA1 |
| Number of Residues | 4 |
| Details | M-CSA 349 |
| Chain | Residue | Details |
| A | ALA16 | proton acceptor, proton donor |
| A | ASP40 | proton acceptor, proton donor |
| A | ASP100 | electrostatic stabiliser |
| A | ALA103 | electrostatic stabiliser |
| site_id | MCSA2 |
| Number of Residues | 4 |
| Details | M-CSA 349 |
| Chain | Residue | Details |
| B | ALA16 | proton acceptor, proton donor |
| B | ASP40 | proton acceptor, proton donor |
| B | ASP100 | electrostatic stabiliser |
| B | ALA103 | electrostatic stabiliser |
| site_id | MCSA3 |
| Number of Residues | 4 |
| Details | M-CSA 349 |
| Chain | Residue | Details |
| D | ALA16 | proton acceptor, proton donor |
| D | ASP40 | proton acceptor, proton donor |
| D | ASP100 | electrostatic stabiliser |
| D | ALA103 | electrostatic stabiliser |
| site_id | MCSA4 |
| Number of Residues | 4 |
| Details | M-CSA 349 |
| Chain | Residue | Details |
| F | ALA16 | proton acceptor, proton donor |
| F | ASP40 | proton acceptor, proton donor |
| F | ASP100 | electrostatic stabiliser |
| F | ALA103 | electrostatic stabiliser |
