Functional Information from GO Data
| Chain | GOid | namespace | contents | 
| A | 0009374 | molecular_function | biotin binding | 
| B | 0009374 | molecular_function | biotin binding | 
Functional Information from PDB Data
| site_id | AC1 | 
| Number of Residues | 13 | 
| Details | BINDING SITE FOR RESIDUE HAB A 300 | 
| Chain | Residue | 
| A | ASN23 | 
| A | THR90 | 
| A | TRP108 | 
| A | ASP128 | 
| A | HOH761 | 
| A | SER27 | 
| A | TYR43 | 
| A | SER45 | 
| A | VAL47 | 
| A | ASN49 | 
| A | ALA50 | 
| A | TRP79 | 
| A | ALA86 | 
| site_id | AC2 | 
| Number of Residues | 9 | 
| Details | BINDING SITE FOR RESIDUE HAB B 300 | 
| Chain | Residue | 
| B | ASN23 | 
| B | SER27 | 
| B | TYR43 | 
| B | SER45 | 
| B | VAL47 | 
| B | ASN49 | 
| B | ALA50 | 
| B | TRP108 | 
| B | 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 | 4 | 
| Details | Motif: {"description":"Cell attachment site; atypical"} | 
| site_id | SWS_FT_FI2 | 
| Number of Residues | 10 | 
| Details | Binding site: {} |