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 |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE ASD A 126 |
| Chain | Residue |
| A | MET1 |
| A | TYR14 |
| A | ASP38 |
| A | PHE86 |
| A | ASN99 |
| A | MET112 |
| A | PHE116 |
| A | HOH246 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE SO4 A 127 |
| Chain | Residue |
| A | GLY47 |
| A | THR48 |
| A | ALA49 |
| A | HOH199 |
| A | HOH257 |
| A | ASP32 |
| site_id | AC3 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 A 128 |
| Chain | Residue |
| A | HIS122 |
| A | ALA123 |
| A | HOH160 |
| site_id | AC4 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 A 129 |
| Chain | Residue |
| A | ARG45 |
| A | ASN57 |
| A | GLY105 |
| site_id | AC5 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE SO4 A 130 |
| Chain | Residue |
| A | HIS100 |
| A | ARG102 |
| A | SER111 |
| A | ARG113 |
| A | SO4132 |
| A | SO4132 |
| A | SO4136 |
| A | HOH190 |
| site_id | AC6 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE SO4 A 131 |
| Chain | Residue |
| A | ARG102 |
| A | SER111 |
| site_id | AC7 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE SO4 A 132 |
| Chain | Residue |
| A | HIS100 |
| A | ARG102 |
| A | ARG102 |
| A | ARG113 |
| A | SO4130 |
| A | SO4130 |
| A | SO4133 |
| A | SO4136 |
| site_id | AC8 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE SO4 A 133 |
| Chain | Residue |
| A | ALA79 |
| A | ILE98 |
| A | ASN99 |
| A | HIS100 |
| A | ARG113 |
| A | LEU115 |
| A | SO4132 |
| A | SO4136 |
| site_id | AC9 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE SO4 A 134 |
| Chain | Residue |
| A | HIS6 |
| A | ARG13 |
| A | TYR88 |
| A | HOH137 |
| A | HOH222 |
| A | HOH250 |
| A | HOH266 |
| site_id | BC1 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE SO4 A 135 |
| Chain | Residue |
| A | LEU67 |
| A | THR68 |
| A | GLN69 |
| A | HOH170 |
| A | HOH172 |
| A | HOH173 |
| A | HOH260 |
| site_id | BC2 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE SO4 A 136 |
| Chain | Residue |
| A | GLU77 |
| A | HIS100 |
| A | HIS100 |
| A | ARG102 |
| A | ARG113 |
| A | SO4130 |
| A | SO4132 |
| A | SO4133 |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 1 |
| Details | ACT_SITE: Proton donor |
| Chain | Residue | Details |
| A | TYR14 | |
| Chain | Residue | Details |
| A | ASP38 | |
| site_id | SWS_FT_FI3 |
| Number of Residues | 1 |
| Details | BINDING: |
| Chain | Residue | Details |
| A | ASN99 | |
