Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0004769 | molecular_function | steroid Delta-isomerase activity |
| A | 0006629 | biological_process | lipid metabolic process |
| A | 0008202 | biological_process | steroid metabolic process |
| A | 0016853 | molecular_function | isomerase activity |
| B | 0004769 | molecular_function | steroid Delta-isomerase activity |
| B | 0006629 | biological_process | lipid metabolic process |
| B | 0008202 | biological_process | steroid metabolic process |
| B | 0016853 | molecular_function | isomerase activity |
| C | 0004769 | molecular_function | steroid Delta-isomerase activity |
| C | 0006629 | biological_process | lipid metabolic process |
| C | 0008202 | biological_process | steroid metabolic process |
| C | 0016853 | molecular_function | isomerase activity |
| D | 0004769 | molecular_function | steroid Delta-isomerase activity |
| D | 0006629 | biological_process | lipid metabolic process |
| D | 0008202 | biological_process | steroid metabolic process |
| D | 0016853 | molecular_function | isomerase activity |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE SO4 A 126 |
| site_id | AC2 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 A 127 |
| Chain | Residue |
| A | GLY105 |
| A | HOH152 |
| A | HOH409 |
| site_id | AC3 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 A 128 |
| Chain | Residue |
| A | ILE121 |
| A | HIS122 |
| A | HOH519 |
| A | HOH544 |
| site_id | AC4 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE EQU A 129 |
| Chain | Residue |
| A | TYR14 |
| A | ASP38 |
| A | PHE86 |
| A | ASP99 |
| A | PHE116 |
| A | HOH138 |
| D | TYR88 |
| D | GLN89 |
| D | ARG91 |
| site_id | AC5 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE SO4 B 126 |
| Chain | Residue |
| B | ASN104 |
| B | GLY105 |
| site_id | AC6 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE SO4 B 127 |
| Chain | Residue |
| B | ARG91 |
| B | THR93 |
| B | ALA123 |
| B | HOH520 |
| B | HOH553 |
| C | ARG91 |
| C | ALA123 |
| C | HOH147 |
| site_id | AC7 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 B 128 |
| Chain | Residue |
| B | HIS6 |
| B | ARG13 |
| B | HOH274 |
| B | HOH474 |
| site_id | AC8 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 B 129 |
| Chain | Residue |
| B | HIS122 |
| B | ALA123 |
| B | HOH623 |
| site_id | AC9 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE EQU B 130 |
| Chain | Residue |
| B | TYR14 |
| B | PHE86 |
| B | VAL95 |
| B | ASP99 |
| B | PHE116 |
| B | HOH135 |
| B | HOH554 |
| C | GLN89 |
| site_id | BC1 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 C 126 |
| Chain | Residue |
| A | HOH523 |
| C | HIS6 |
| C | ARG13 |
| site_id | BC2 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 C 127 |
| Chain | Residue |
| C | ASN104 |
| C | GLY105 |
| C | HOH267 |
| site_id | BC3 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE EQU C 128 |
| Chain | Residue |
| B | GLN89 |
| B | ARG91 |
| C | TYR14 |
| C | PHE86 |
| C | VAL95 |
| C | ASP99 |
| C | MET112 |
| C | PHE116 |
| C | HOH130 |
| site_id | BC4 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 D 126 |
| Chain | Residue |
| D | HIS6 |
| D | ARG13 |
| D | HOH255 |
| D | HOH383 |
| site_id | BC5 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 D 127 |
| Chain | Residue |
| D | ASN104 |
| D | GLY105 |
| D | HOH156 |
| site_id | BC6 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 D 128 |
| Chain | Residue |
| D | MET1 |
| D | ASN76 |
| D | HOH470 |
| site_id | BC7 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE SO4 D 129 |
| Chain | Residue |
| D | HIS122 |
| D | ALA123 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 4 |
| Details | ACT_SITE: Proton donor |
| Chain | Residue | Details |
| A | TYR14 | |
| B | TYR14 | |
| C | TYR14 | |
| D | TYR14 | |
| Chain | Residue | Details |
| A | ASP38 | |
| B | ASP38 | |
| C | ASP38 | |
| D | ASP38 | |
| site_id | SWS_FT_FI3 |
| Number of Residues | 4 |
| Details | BINDING: |
| Chain | Residue | Details |
| A | ASP99 | |
| B | ASP99 | |
| C | ASP99 | |
| D | ASP99 | |
