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 | 2 |
| Details | BINDING SITE FOR RESIDUE MPD D 1135 |
| Chain | Residue |
| B | TRP120 |
| D | TRP79 |
| site_id | AC2 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE MPD B 1135 |
| Chain | Residue |
| B | SER45 |
| B | ALA86 |
| B | HOH2040 |
| D | TRP120 |
| site_id | AC3 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE MPD B 1136 |
| Chain | Residue |
| B | TRP108 |
| B | ASP128 |
| B | HOH2017 |
| B | TRP79 |
| B | THR90 |
| B | TRP92 |
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 | |
| A | ASN118-LYS132 | |
Functional Information from SwissProt/UniProt
| site_id | SWS_FT_FI1 |
| Number of Residues | 10 |
| Details | BINDING: |
| Chain | Residue | Details |
| B | TYR43 | |
| C | TRP120 | |
| B | TYR54 | |
| B | TRP92 | |
| B | TRP108 | |
| B | TRP120 | |
| C | TYR43 | |
| C | TYR54 | |
| C | TRP92 | |
| C | TRP108 | |
