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 | 6 |
| Details | BINDING SITE FOR RESIDUE SO4 A 126 |
| Chain | Residue |
| A | GLY42 |
| A | ARG45 |
| A | ASN76 |
| A | HOH170 |
| A | HOH195 |
| A | HOH214 |
| site_id | AC2 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 A 127 |
| Chain | Residue |
| A | ILE121 |
| A | HIS122 |
| A | ALA123 |
| site_id | AC3 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE SO4 A 128 |
| Chain | Residue |
| A | HIS6 |
| A | ARG13 |
| A | TYR88 |
| A | HOH171 |
| A | HOH187 |
| A | HOH203 |
| site_id | AC4 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 A 129 |
| Chain | Residue |
| A | PRO44 |
| A | ARG45 |
| A | SER46 |
| A | ALA50 |
| site_id | AC5 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 A 130 |
| Chain | Residue |
| A | HIS100 |
| A | ARG102 |
| A | SER111 |
| A | ARG113 |
| A | ARG113 |
| site_id | AC6 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 A 131 |
| Chain | Residue |
| A | GLY47 |
| A | THR48 |
| A | ALA49 |
| A | HOH194 |
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 | ASP99 | |
