Structure of PDB 1b55 Chain B Binding Site BS01

Receptor Information
>1b55 Chain B (length=162) Species: 9606 (Homo sapiens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
AAVILESIFLKRSQQKKKTSPLNFKKRLFLLTVHKLSYYEYDFERGRRGS
KKGSIDVEKITCVETVVPEKNPPPERQISEMEQISIIERFPYPFQVVYDE
GPLYVFSPTEELRKRWIHQLKNVIRYNSDLVQKYHPCFWIDGQYLCCSQT
AKNAMGCQILEN
Ligand information
Ligand IDZN
InChIInChI=1S/Zn/q+2
InChIKeyPTFCDOFLOPIGGS-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Zn++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Zn+2]
FormulaZn
NameZINC ION
ChEMBLCHEMBL1236970
DrugBankDB14532
ZINC
PDB chain1b55 Chain B Residue 171 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1b55 Structure of the PH domain from Bruton's tyrosine kinase in complex with inositol 1,3,4,5-tetrakisphosphate.
Resolution2.4 Å
Binding residue
(original residue number in PDB)		H143 C154 C165
Binding residue
(residue number reindexed from 1)		H135 C146 C157
Annotation score1
Enzymatic activity
Enzyme Commision number 2.7.10.2: non-specific protein-tyrosine kinase.
Gene Ontology
Biological Process
GO:0035556 intracellular signal transduction

View graph for
Biological Process
External links
PDB RCSB:1b55, PDBe:1b55, PDBj:1b55
PDBsum1b55
PubMed10196129
UniProtQ06187|BTK_HUMAN Tyrosine-protein kinase BTK (Gene Name=BTK)

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