Structure of PDB 1swn Chain D Binding Site BS01

Receptor Information
>1swn Chain D (length=118) Species: 1895 (Streptomyces avidinii) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GITGTWYNQLGSTFIVTAGADGALTGTYESAVGNAESRYVLTGRYDSAPA
TDGSGTALGWTVAWKNNYRNAHSATTWSGQYVGGAEARINTQFLLTSGTT
EANAWKSTLVGHDTFTKV
Ligand information
Ligand IDBTN
InChIInChI=1S/C10H16N2O3S/c13-8(14)4-2-1-3-7-9-6(5-16-7)11-10(15)12-9/h6-7,9H,1-5H2,(H,13,14)(H2,11,12,15)/t6-,7-,9-/m0/s1
InChIKeyYBJHBAHKTGYVGT-ZKWXMUAHSA-N
SMILES
SoftwareSMILES
CACTVS 3.385OC(=O)CCCC[CH]1SC[CH]2NC(=O)N[CH]12
CACTVS 3.385OC(=O)CCCC[C@@H]1SC[C@@H]2NC(=O)N[C@H]12
ACDLabs 12.01O=C1NC2C(SCC2N1)CCCCC(=O)O
OpenEye OEToolkits 1.7.6C1C2C(C(S1)CCCCC(=O)O)NC(=O)N2
OpenEye OEToolkits 1.7.6C1[C@H]2[C@@H]([C@@H](S1)CCCCC(=O)O)NC(=O)N2
FormulaC10 H16 N2 O3 S
NameBIOTIN
ChEMBLCHEMBL857
DrugBankDB00121
ZINCZINC000035024346
PDB chain1swn Chain D Residue 600 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB1swn Structural studies of binding site tryptophan mutants in the high-affinity streptavidin-biotin complex.
Resolution2.2 Å
Binding residue
(original residue number in PDB)		S27 Y43 S45 V47 N49 W79 W92 F108
Binding residue
(residue number reindexed from 1)		S12 Y28 S30 V32 N34 W64 W77 F93
Annotation score4
Binding affinityMOAD: Ka=100000000000000M^-1
PDBbind-CN: -logKd/Ki=12.00,Kd~1pM
BindingDB: Kd=1.000000nM
Enzymatic activity
Enzyme Commision number ?
Gene Ontology

View graph for
Molecular Function
External links
PDB RCSB:1swn, PDBe:1swn, PDBj:1swn
PDBsum1swn
PubMed9636711
UniProtP22629|SAV_STRAV Streptavidin

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