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 | 16 |
| Details | BINDING SITE FOR RESIDUE BTN A 1001 |
| Chain | Residue |
| A | ASN23 |
| A | SER88 |
| A | THR90 |
| A | TRP108 |
| A | ASP128 |
| A | HOH1170 |
| D | TRP120 |
| D | GOL1002 |
| A | LEU25 |
| A | SER27 |
| A | TYR43 |
| A | SER45 |
| A | VAL47 |
| A | GLY48 |
| A | ASN49 |
| A | TRP79 |
| site_id | AC2 |
| Number of Residues | 8 |
| Details | BINDING SITE FOR RESIDUE GOL A 1002 |
| Chain | Residue |
| A | GLN24 |
| A | LEU25 |
| A | GLY126 |
| A | HIS127 |
| A | GOL1004 |
| A | HOH1123 |
| A | HOH1145 |
| A | HOH1163 |
| site_id | AC3 |
| Number of Residues | 5 |
| Details | BINDING SITE FOR RESIDUE GOL A 1003 |
| Chain | Residue |
| A | GLY26 |
| A | SER27 |
| A | THR28 |
| A | GLU44 |
| A | ALA46 |
| site_id | AC4 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE GOL A 1004 |
| Chain | Residue |
| A | HIS127 |
| A | GOL1002 |
| A | HOH1189 |
| A | HOH1203 |
| A | HOH1213 |
| C | THR129 |
| C | HOH1119 |
| site_id | AC5 |
| Number of Residues | 16 |
| Details | BINDING SITE FOR RESIDUE BSO B 1001 |
| Chain | Residue |
| B | ASN23 |
| B | LEU25 |
| B | SER27 |
| B | TYR43 |
| B | SER45 |
| B | VAL47 |
| B | ASN49 |
| B | TRP79 |
| B | SER88 |
| B | THR90 |
| B | TRP108 |
| B | LEU110 |
| B | ASP128 |
| B | HOH1147 |
| B | HOH1212 |
| C | TRP120 |
| site_id | AC6 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE GOL B 1002 |
| Chain | Residue |
| B | GLN24 |
| B | LEU25 |
| B | GLY126 |
| B | HIS127 |
| B | HOH1124 |
| B | HOH1132 |
| site_id | AC7 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE GOL B 1003 |
| Chain | Residue |
| B | GLY26 |
| B | SER27 |
| B | THR28 |
| B | GLU44 |
| site_id | AC8 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE SO4 B 1004 |
| Chain | Residue |
| A | HIS87 |
| B | ALA65 |
| B | THR66 |
| B | HOH1167 |
| B | HOH1168 |
| B | HOH1211 |
| site_id | AC9 |
| Number of Residues | 16 |
| Details | BINDING SITE FOR RESIDUE BTN D 1001 |
| Chain | Residue |
| A | TRP120 |
| D | ASN23 |
| D | LEU25 |
| D | SER27 |
| D | TYR43 |
| D | SER45 |
| D | VAL47 |
| D | GLY48 |
| D | ASN49 |
| D | TRP79 |
| D | SER88 |
| D | THR90 |
| D | TRP108 |
| D | ASP128 |
| D | HOH1127 |
| D | HOH1224 |
| site_id | BC1 |
| Number of Residues | 4 |
| Details | BINDING SITE FOR RESIDUE GOL D 1002 |
| Chain | Residue |
| A | BTN1001 |
| A | HOH1170 |
| D | HOH1139 |
| D | HOH1170 |
| site_id | BC2 |
| Number of Residues | 9 |
| Details | BINDING SITE FOR RESIDUE GOL D 1003 |
| Chain | Residue |
| D | GLN24 |
| D | LEU25 |
| D | GLY126 |
| D | HIS127 |
| D | HOH1121 |
| D | HOH1148 |
| D | HOH1174 |
| D | HOH1202 |
| D | HOH1222 |
| site_id | BC3 |
| Number of Residues | 7 |
| Details | BINDING SITE FOR RESIDUE GOL D 1004 |
| Chain | Residue |
| C | SER62 |
| C | HOH1115 |
| D | LYS80 |
| D | ASN81 |
| D | ASN82 |
| C | ASP36 |
| C | ARG59 |
| site_id | BC4 |
| Number of Residues | 15 |
| Details | BINDING SITE FOR RESIDUE BSO C 1001 |
| Chain | Residue |
| B | TRP120 |
| C | ASN23 |
| C | LEU25 |
| C | SER27 |
| C | TYR43 |
| C | SER45 |
| C | VAL47 |
| C | ASN49 |
| C | TRP79 |
| C | SER88 |
| C | THR90 |
| C | TRP108 |
| C | LEU110 |
| C | ASP128 |
| C | GOL1003 |
| site_id | BC5 |
| Number of Residues | 6 |
| Details | BINDING SITE FOR RESIDUE GOL C 1002 |
| Chain | Residue |
| B | TRP120 |
| C | GLN24 |
| C | LEU25 |
| C | GLY126 |
| C | HIS127 |
| C | HOH1125 |
| site_id | BC6 |
| Number of Residues | 3 |
| Details | BINDING SITE FOR RESIDUE GOL C 1003 |
| Chain | Residue |
| C | SER112 |
| C | BSO1001 |
| C | HOH1134 |
| site_id | BC7 |
| Number of Residues | 11 |
| Details | BINDING SITE FOR RESIDUE SO4 C 1004 |
| Chain | Residue |
| B | GLY48 |
| B | HOH1148 |
| B | HOH1164 |
| C | ALA65 |
| C | THR66 |
| C | ASP67 |
| C | LYS121 |
| C | HOH1137 |
| C | HOH1143 |
| C | HOH1178 |
| C | HOH1199 |
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 | TYR43 | |
| B | TRP120 | |
| D | TYR43 | |
| D | TYR54 | |
| D | TRP92 | |
| D | TRP108 | |
| D | TRP120 | |
| C | TYR43 | |
| C | TYR54 | |
| C | TRP92 | |
| C | TRP108 | |
| A | TYR54 | |
| C | TRP120 | |
| A | TRP92 | |
| A | TRP108 | |
| A | TRP120 | |
| B | TYR43 | |
| B | TYR54 | |
| B | TRP92 | |
| B | TRP108 | |
