Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0005576 | cellular_component | extracellular region |
| A | 0009374 | molecular_function | biotin binding |
| B | 0005576 | cellular_component | extracellular region |
| B | 0009374 | molecular_function | biotin binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE SO4 B 5001 |
| Chain | Residue |
| B | HIS87 |
| B | HIS87 |
| B | HOH6089 |
| B | HOH6129 |
| B | HOH6129 |
| B | HOH6181 |
| site_id | AC2 |
| Number of Residues | 10 |
| Details | BINDING SITE FOR RESIDUE GOL A 4001 |
| Chain | Residue |
| A | HOH6151 |
| A | HOH6219 |
| B | ASN105 |
| B | THR106 |
| B | ASP128 |
| B | THR129 |
| B | HOH6101 |
| A | HIS127 |
| A | HOH6098 |
| A | HOH6132 |
| site_id | AC3 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE GOL B 4002 |
| Chain | Residue |
| B | THR40 |
| B | GLY41 |
| B | VAL55 |
| B | LEU56 |
| B | THR57 |
| B | HOH6028 |
| B | HOH6179 |
| B | HOH6190 |
| B | HOH6235 |
| B | HOH6238 |
| B | HOH6260 |
Functional Information from PROSITE/UniProt
| site_id | PS00577 |
| Number of Residues | 15 |
| Details | AVIDIN_1 Avidin-like domain signature. NawKStlVGhDtFTK |
| Chain | Residue | Details |
| A | ASN118-LYS132 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 10 |
| Details | BINDING: |
| Chain | Residue | Details |
| A | TYR43 | |
| B | TRP120 | |
| A | TYR54 | |
| A | TRP92 | |
| A | TRP108 | |
| A | TRP120 | |
| B | TYR43 | |
| B | TYR54 | |
| B | TRP92 | |
| B | TRP108 | |
