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 | 15 |
| Details | BINDING SITE FOR RESIDUE BNI A 502 |
| Chain | Residue |
| A | ASN12 |
| A | THR75 |
| A | TRP95 |
| A | LEU97 |
| A | SER99 |
| A | ASN116 |
| B | TRP308 |
| A | SER16 |
| A | TYR33 |
| A | THR35 |
| A | VAL37 |
| A | ALA38 |
| A | ASP39 |
| A | TRP68 |
| A | SER73 |
| site_id | AC2 |
| Number of Residues | 14 |
| Details | BINDING SITE FOR RESIDUE BNI B 501 |
| Chain | Residue |
| B | ASN212 |
| B | SER216 |
| B | TYR233 |
| B | THR235 |
| B | VAL237 |
| B | ALA238 |
| B | ASP239 |
| B | TRP268 |
| B | SER273 |
| B | THR275 |
| B | TRP295 |
| B | LEU297 |
| B | SER299 |
| B | ASN316 |
| site_id | AC3 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE FMT A 402 |
| Chain | Residue |
| A | VAL101 |
| A | ASN102 |
| A | TYR106 |
| site_id | AC4 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE FMT A 403 |
| Chain | Residue |
| A | ALA36 |
| A | PRO41 |
| A | ILE44 |
| A | HOH510 |
| B | THR245 |
| B | LEU246 |
| B | ASN269 |
| site_id | AC5 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE FMT A 406 |
| Chain | Residue |
| A | LEU46 |
| A | PRO48 |
| A | HOH552 |
| site_id | AC6 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE FMT A 409 |
| Chain | Residue |
| A | HIS54 |
| A | LYS55 |
| A | ARG56 |
| B | HOH56 |
| B | HOH70 |
| B | HIS267 |
| site_id | AC7 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE FMT B 401 |
| Chain | Residue |
| A | HIS67 |
| A | HOH543 |
| B | HIS254 |
| B | LYS255 |
| B | ARG256 |
| site_id | AC8 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE FMT B 404 |
| Chain | Residue |
| A | TYR115 |
| B | HOH19 |
| B | HOH124 |
| B | ASP307 |
| B | TRP308 |
| site_id | AC9 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE FMT B 405 |
| Chain | Residue |
| B | HOH136 |
| B | ASN213 |
| B | ASN317 |
| B | FMT407 |
| site_id | BC1 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE FMT B 407 |
| Chain | Residue |
| B | THR211 |
| B | ASN212 |
| B | ASN317 |
| B | THR319 |
| B | FMT405 |
Functional Information from PROSITE/UniProt
| site_id | PS00577 |
| Number of Residues | 15 |
| Details | AVIDIN_1 Avidin-like domain signature. YdwKAtlVGyNnFTR |
| Chain | Residue | Details |
| A | TYR106-ARG120 | |
Functional Information from SwissProt/UniProt
| Chain | Residue | Details |
| A | ASN12 | |
| B | TYR233 | |
| B | THR235 | |
| B | ASP239 | |
| B | SER271 | |
| B | ASN316 | |
| A | SER16 | |
| A | TYR33 | |
| A | THR35 | |
| A | ASP39 | |
| A | SER71 | |
| A | ASN116 | |
| B | ASN212 | |
| B | SER216 | |
| Chain | Residue | Details |
| A | ASN43 | |
| A | ASN117 | |
| B | ASN243 | |
| B | ASN317 | |
| site_id | SWS_FT_FI3 |
| Number of Residues | 2 |
| Details | CARBOHYD: N-linked (GlcNAc...) asparagine => ECO:0000255 |
| Chain | Residue | Details |
| A | ASN69 | |
| B | ASN269 | |
