Functional Information from GO Data
| Chain | GOid | namespace | contents |
| A | 0005576 | cellular_component | extracellular region |
| A | 0009374 | molecular_function | biotin binding |
| B | 0005576 | cellular_component | extracellular region |
| B | 0009374 | molecular_function | biotin binding |
Functional Information from PDB Data
| site_id | AC1 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE ACT A 1126 |
| Chain | Residue |
| A | THR11 |
| A | GLN121 |
| A | ARG122 |
| A | THR123 |
| A | HOH2072 |
| site_id | AC2 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE PEG A 1127 |
| Chain | Residue |
| A | THR119 |
| A | HOH2026 |
| A | ASP12 |
| A | ASP13 |
| A | GLY42 |
| A | ILE117 |
| site_id | AC3 |
| Number of Residues | 15 |
| Details | BINDING SITE FOR RESIDUE BTN A 1128 |
| Chain | Residue |
| A | ASP12 |
| A | LEU14 |
| A | SER16 |
| A | TYR33 |
| A | THR35 |
| A | VAL37 |
| A | ALA38 |
| A | ASP39 |
| A | TRP68 |
| A | SER71 |
| A | THR75 |
| A | TRP95 |
| A | ASN116 |
| A | HOH2024 |
| A | HOH2025 |
| site_id | AC4 |
| Number of Residues | 13 |
| Details | BINDING SITE FOR RESIDUE BTN B 1128 |
| Chain | Residue |
| B | ASP12 |
| B | SER16 |
| B | TYR33 |
| B | THR35 |
| B | VAL37 |
| B | ALA38 |
| B | ASP39 |
| B | TRP68 |
| B | SER71 |
| B | SER73 |
| B | THR75 |
| B | TRP95 |
| B | ASN116 |
| site_id | AC5 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE PO4 A 1129 |
| Chain | Residue |
| A | HIS54 |
| A | LYS55 |
| A | ARG56 |
| A | ALA57 |
| A | GLU72 |
| A | HOH2033 |
| A | HOH2039 |
| B | ARG85 |
| site_id | AC6 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE PO4 B 1123 |
| Chain | Residue |
| B | HIS54 |
| B | LYS55 |
| B | ARG56 |
| B | ALA57 |
| B | GLU72 |
Functional Information from PROSITE/UniProt
| site_id | PS00577 |
| Number of Residues | 15 |
| Details | AVIDIN_1 Avidin-like domain signature. DdwIAtrVGiNiFTR |
| Chain | Residue | Details |
| A | ASP106-ARG120 | |
Functional Information from SwissProt/UniProt
| Chain | Residue | Details |
| A | ASP12 | |
| B | TYR33 | |
| B | THR35 | |
| B | ASP39 | |
| B | SER71 | |
| B | ASN116 | |
| A | SER16 | |
| A | TYR33 | |
| A | THR35 | |
| A | ASP39 | |
| A | SER71 | |
| A | ASN116 | |
| B | ASP12 | |
| B | SER16 | |
| Chain | Residue | Details |
| A | ASN43 | |
| A | ILE117 | |
| B | ASN43 | |
| B | ILE117 | |
| site_id | SWS_FT_FI3 |
| Number of Residues | 2 |
| Details | CARBOHYD: N-linked (GlcNAc...) asparagine => ECO:0000255 |
| Chain | Residue | Details |
| A | LYS69 | |
| B | LYS69 | |
