Functional Information from GO Data
| Chain | GOid | namespace | contents |
| B | 0009374 | molecular_function | biotin binding |
| D | 0009374 | molecular_function | biotin binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE SO4 D 300 |
| Chain | Residue |
| B | TRP120 |
| B | LYS121 |
| D | VAL47 |
| D | GLY48 |
| D | ARG84 |
| site_id | AC2 |
| Number of Residues | 15 |
| Details | BINDING SITE FOR RESIDUE BTN B 300 |
| Chain | Residue |
| B | SER45 |
| B | VAL47 |
| B | GLY48 |
| B | ASN49 |
| B | TRP79 |
| B | SER88 |
| B | THR90 |
| B | TRP108 |
| B | ASP128 |
| B | HOH1470 |
| D | HOH1617 |
| B | ASN23 |
| B | LEU25 |
| B | SER27 |
| B | TYR43 |
| site_id | AC3 |
| Number of Residues | 15 |
| Details | BINDING SITE FOR RESIDUE BTN D 301 |
| Chain | Residue |
| D | ASN23 |
| D | LEU25 |
| D | SER27 |
| D | TYR43 |
| D | SER45 |
| D | VAL47 |
| D | GLY48 |
| D | ASN49 |
| D | TRP79 |
| D | ALA86 |
| D | SER88 |
| D | THR90 |
| D | TRP108 |
| D | ASP128 |
| D | HOH1519 |
Functional Information from PROSITE/UniProt
| site_id | PS00577 |
| Number of Residues | 15 |
| Details | AVIDIN_1 Avidin-like domain signature. NawKStlVGhDtFTK |
| Chain | Residue | Details |
| B | ASN118-LYS132 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 10 |
| Details | BINDING: |
| Chain | Residue | Details |
| B | TYR43 | |
| D | TRP120 | |
| B | TYR54 | |
| B | TRP92 | |
| B | TRP108 | |
| B | TRP120 | |
| D | TYR43 | |
| D | TYR54 | |
| D | TRP92 | |
| D | TRP108 | |
