Structure of PDB 1n9m Chain B Binding Site BS01

Receptor Information
>1n9m Chain B (length=117) Species: 1895 (Streptomyces avidinii) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GITGTWYNQLGATFIVTAGADGALTGTYESAVGNAESRYVLTGRYDSAPA
TDGSGTALGWTVAWKNNYRNAHSATTWSGQYVGGAEARINTQWLLTSGTT
EANAWKSTLVGHDTFTK
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 chain1n9m Chain B Residue 5200 [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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PDB1n9m Structural studies of hydrogen bonds in the high-affinity streptavidin-biotin complex: mutations of amino acids interacting with the ureido oxygen of biotin.
Resolution1.6 Å
Binding residue
(original residue number in PDB)		L25 Y43 S45 V47 W79 W108
Binding residue
(residue number reindexed from 1)		L10 Y28 S30 V32 W64 W93
Annotation score4
Binding affinityBindingDB: Kd=1.000000nM
Enzymatic activity
Enzyme Commision number ?
Gene Ontology

View graph for
Molecular Function
External links
PDB RCSB:1n9m, PDBe:1n9m, PDBj:1n9m
PDBsum1n9m
PubMed12925786
UniProtP22629|SAV_STRAV Streptavidin

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