Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0005576 | cellular_component | extracellular region |
| A | 0009374 | molecular_function | biotin binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 24 |
| Details | binding site for residue SQ1 A 201 |
| Chain | Residue |
| A | ASN23 |
| A | SER88 |
| A | THR90 |
| A | TRP92 |
| A | TRP108 |
| A | LEU110 |
| A | ALA112 |
| A | TRP120 |
| A | LYS121 |
| A | LEU124 |
| A | ASP128 |
| A | LEU25 |
| A | GOL203 |
| A | HOH304 |
| A | HOH311 |
| A | HOH349 |
| A | HOH385 |
| A | SER27 |
| A | TYR43 |
| A | SER45 |
| A | VAL47 |
| A | GLY48 |
| A | ASN49 |
| A | TRP79 |
| site_id | AC2 |
| Number of Residues | 1 |
| Details | binding site for residue CU A 202 |
| site_id | AC3 |
| Number of Residues | 6 |
| Details | binding site for residue GOL A 203 |
| Chain | Residue |
| A | VAL47 |
| A | GLY48 |
| A | TRP120 |
| A | LYS121 |
| A | SQ1201 |
| A | HOH351 |
| site_id | AC4 |
| Number of Residues | 5 |
| Details | binding site for residue SO4 A 204 |
| Chain | Residue |
| A | GLY48 |
| A | ARG84 |
| A | ARG84 |
| A | HOH324 |
| A | HOH336 |
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 | 5 |
| Details | BINDING: |
| Chain | Residue | Details |
| A | TYR43 | |
| A | TYR54 | |
| A | TRP92 | |
| A | TRP108 | |
| A | TRP120 | |
