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 |
| C | 0004769 | molecular_function | steroid delta-isomerase activity |
| C | 0008202 | biological_process | steroid metabolic process |
| C | 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 |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE GOL A 126 |
| Chain | Residue |
| A | GLU87 |
| A | TYR88 |
| A | GLN89 |
| A | GLY90 |
| A | HOH493 |
| A | HOH561 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE GOL A 127 |
| Chain | Residue |
| B | ARG113 |
| A | HIS100 |
| A | ARG113 |
| B | HIS100 |
| site_id | AC3 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 A 128 |
| Chain | Residue |
| A | HIS6 |
| A | ARG13 |
| A | HOH350 |
| site_id | AC4 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE SO4 A 129 |
| Chain | Residue |
| A | HIS122 |
| A | ALA123 |
| site_id | AC5 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 A 130 |
| Chain | Residue |
| A | ASN104 |
| A | GLY105 |
| A | HOH547 |
| site_id | AC6 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 B 126 |
| Chain | Residue |
| B | ASN104 |
| B | GLY105 |
| B | HOH311 |
| site_id | AC7 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE SO4 B 127 |
| Chain | Residue |
| B | ARG91 |
| B | ALA123 |
| B | HOH152 |
| B | HOH294 |
| D | ARG91 |
| D | THR93 |
| site_id | AC8 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 B 128 |
| Chain | Residue |
| B | ARG102 |
| B | SER111 |
| B | HOH362 |
| site_id | AC9 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 B 129 |
| Chain | Residue |
| B | ILE121 |
| B | HIS122 |
| B | ALA123 |
| B | HOH367 |
| site_id | BC1 |
| Number of Residues | 12 |
| Details | BINDING SITE FOR RESIDUE EQU B 130 |
| Chain | Residue |
| B | TYR14 |
| B | LEU18 |
| B | ASP38 |
| B | PHE54 |
| B | PHE86 |
| B | ASN99 |
| B | MET112 |
| B | PHE116 |
| B | HOH237 |
| D | TYR88 |
| D | GLN89 |
| D | ARG91 |
| site_id | BC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE SO4 C 126 |
| Chain | Residue |
| B | HIS6 |
| B | ARG13 |
| C | HOH249 |
| C | HOH304 |
| site_id | BC3 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 C 127 |
| Chain | Residue |
| C | HIS6 |
| C | ARG13 |
| C | HOH513 |
| site_id | BC4 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE SO4 C 128 |
| Chain | Residue |
| C | HIS122 |
| C | ALA123 |
| site_id | BC5 |
| Number of Residues | 13 |
| Details | BINDING SITE FOR RESIDUE EQU C 129 |
| Chain | Residue |
| A | TYR88 |
| A | GLN89 |
| A | ARG91 |
| A | HOH134 |
| C | TYR14 |
| C | LEU18 |
| C | PHE54 |
| C | VAL84 |
| C | PHE86 |
| C | VAL95 |
| C | ASN99 |
| C | MET112 |
| C | PHE116 |
| site_id | BC6 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE SO4 D 126 |
| Chain | Residue |
| D | HIS122 |
| D | ALA123 |
| site_id | BC7 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 D 127 |
| Chain | Residue |
| D | HIS6 |
| D | ARG13 |
| D | HOH407 |
| site_id | BC8 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE SO4 D 128 |
| Chain | Residue |
| D | ASN104 |
| D | GLY105 |
| D | HOH354 |
| site_id | BC9 |
| Number of Residues | 12 |
| Details | BINDING SITE FOR RESIDUE EQU D 129 |
| Chain | Residue |
| B | TYR88 |
| B | GLN89 |
| D | TYR14 |
| D | LEU18 |
| D | ASP38 |
| D | PHE54 |
| D | VAL84 |
| D | PHE86 |
| D | ASN99 |
| D | MET112 |
| D | PHE116 |
| D | HOH138 |
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 | ASN99 | |
| B | ASN99 | |
| C | ASN99 | |
| D | ASN99 | |
