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 |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 12 |
| Details | binding site for residue DXC A 201 |
| Chain | Residue |
| A | TYR14 |
| A | HOH307 |
| A | HOH330 |
| A | HOH384 |
| A | GLU38 |
| A | ARG41 |
| A | PHE53 |
| A | SER57 |
| A | PHE81 |
| A | PHE85 |
| A | ASP98 |
| A | ALA113 |
| site_id | AC2 |
| Number of Residues | 7 |
| Details | binding site for residue DXC A 202 |
| Chain | Residue |
| A | PHE40 |
| A | TYR87 |
| A | ARG90 |
| A | HOH328 |
| A | HOH331 |
| A | HOH337 |
| A | HOH348 |
| site_id | AC3 |
| Number of Residues | 7 |
| Details | binding site for residue PO4 A 203 |
| Chain | Residue |
| A | HIS6 |
| A | ALA9 |
| A | ARG13 |
| A | LYS91 |
| A | HOH360 |
| A | HOH372 |
| A | HOH410 |
| site_id | AC4 |
| Number of Residues | 4 |
| Details | binding site for residue PO4 A 204 |
| Chain | Residue |
| A | ASN103 |
| A | GLY104 |
| A | HOH349 |
| A | HOH381 |
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 | GLU38 | |
| site_id | SWS_FT_FI3 |
| Number of Residues | 1 |
| Details | BINDING: |
| Chain | Residue | Details |
| A | HIS99 | |
