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 | 7 |
| Details | BINDING SITE FOR RESIDUE MRD A 1 |
| Chain | Residue |
| A | LEU25 |
| A | TRP79 |
| A | THR90 |
| A | TRP92 |
| A | TRP108 |
| A | ASP128 |
| A | HOH520 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE MPD A 2 |
| Chain | Residue |
| A | SER88 |
| A | SER112 |
| A | HOH491 |
| D | TRP120 |
| A | GLY48 |
| A | ASN49 |
| site_id | AC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE MPD B 3 |
| Chain | Residue |
| B | THR90 |
| B | TRP92 |
| B | TRP108 |
| B | LEU110 |
| B | ASP128 |
| site_id | AC4 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE MPD C 4 |
| Chain | Residue |
| C | THR90 |
| C | TRP92 |
| C | TRP108 |
| C | LEU110 |
| C | ASP128 |
| site_id | AC5 |
| Number of Residues | 2 |
| Details | BINDING SITE FOR RESIDUE MPD C 5 |
| site_id | AC6 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE MPD D 6 |
| Chain | Residue |
| A | TRP120 |
| D | ASN23 |
| D | TRP79 |
| D | THR90 |
| D | TRP92 |
| D | TRP108 |
| D | LEU110 |
| D | ASP128 |
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 |
| A | PHE43 | |
| B | TRP120 | |
| C | PHE43 | |
| C | TYR54 | |
| C | TRP92 | |
| C | TRP108 | |
| C | TRP120 | |
| D | PHE43 | |
| D | TYR54 | |
| D | TRP92 | |
| D | TRP108 | |
| A | TYR54 | |
| D | TRP120 | |
| A | TRP92 | |
| A | TRP108 | |
| A | TRP120 | |
| B | PHE43 | |
| B | TYR54 | |
| B | TRP92 | |
| B | TRP108 | |
