Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0009374 | molecular_function | biotin binding |
| B | 0009374 | molecular_function | biotin binding |
| C | 0009374 | molecular_function | biotin binding |
| D | 0009374 | molecular_function | biotin binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 15 |
| Details | BINDING SITE FOR RESIDUE BTN A 5001 |
| Chain | Residue |
| A | TRP79 |
| A | SER245 |
| A | VAL247 |
| A | HOH6052 |
| A | HOH6054 |
| A | HOH6088 |
| D | TRP120 |
| A | SER88 |
| A | THR90 |
| A | TRP108 |
| A | LEU110 |
| A | ASP128 |
| A | ASN223 |
| A | SER227 |
| A | TYR243 |
| site_id | AC2 |
| Number of Residues | 13 |
| Details | BINDING SITE FOR RESIDUE BTN B 5001 |
| Chain | Residue |
| B | TRP79 |
| B | SER88 |
| B | THR90 |
| B | TRP108 |
| B | ASP128 |
| B | ASN223 |
| B | LEU225 |
| B | SER227 |
| B | TYR243 |
| B | SER245 |
| B | VAL247 |
| B | HOH5183 |
| B | HOH5200 |
| site_id | AC3 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE BTN C 5001 |
| Chain | Residue |
| C | TRP79 |
| C | SER88 |
| C | THR90 |
| C | TRP108 |
| C | ASP128 |
| C | ASN223 |
| C | SER227 |
| C | TYR243 |
| C | SER245 |
| C | GLY248 |
| C | HOH5162 |
| site_id | AC4 |
| Number of Residues | 10 |
| Details | BINDING SITE FOR RESIDUE SO4 C 5002 |
| Chain | Residue |
| A | HOH6068 |
| B | LYS80 |
| B | HOH5158 |
| B | HOH5186 |
| C | PRO64 |
| C | ALA65 |
| C | THR66 |
| C | HOH5125 |
| C | HOH5140 |
| D | HOH5136 |
| site_id | AC5 |
| Number of Residues | 13 |
| Details | BINDING SITE FOR RESIDUE BTN D 5001 |
| Chain | Residue |
| A | TRP120 |
| D | TRP79 |
| D | SER88 |
| D | THR90 |
| D | TRP108 |
| D | ASP128 |
| D | ASN223 |
| D | SER227 |
| D | TYR243 |
| D | SER245 |
| D | VAL247 |
| D | HOH5133 |
| D | HOH5145 |
| site_id | AC6 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 D 5002 |
| Chain | Residue |
| B | HOH5117 |
| D | GLY234 |
| D | ASP236 |
| D | GLY237 |
| D | ALA238 |
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 | 20 |
| Details | BINDING: |
| Chain | Residue | Details |
| D | TRP92 | |
| D | TRP108 | |
| D | TRP120 | |
| A | TYR243 | |
| A | TYR54 | |
| A | TRP92 | |
| A | TRP108 | |
| A | TRP120 | |
| B | TYR243 | |
| B | TYR54 | |
| B | TRP92 | |
| B | TRP108 | |
| B | TRP120 | |
| C | TYR243 | |
| C | TYR54 | |
| C | TRP92 | |
| C | TRP108 | |
| C | TRP120 | |
| D | TYR243 | |
| D | TYR54 | |
