3piz Summary

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Crystal structure of BTK kinase domain complexed with (5-Amino-1-o-tolyl-1H-pyrazol-4-yl)-[3-(1-methanesulfonyl-piperidin-4-yl)-phenyl]-methanone

The structure was published by Kuglstatter, A., Wong, A., Tsing, S., et al., Shaw, D., Barnett, J.W., and Browner, M.F., in 2011 in a paper entitled "Insights into the conformational flexibility of Bruton's tyrosine kinase from multiple ligand complex structures." (abstract).

This crystal structure was determined using X-ray diffraction at a resolution of 2.21 Å and deposited in 2010.

The experimental data on which the structure is based was also deposited.

The PDB entry contains the structure of Tyrosine-protein kinase BTK. This molecule has the UniProt identifier Q06187 (BTK_HUMAN)search. The sample contained 274 residues which is < 90% of the natural sequence. Out of 274 residues 245 were observed and are deposited in the PDB.

It also contains one or more heterogenic compounds (e.g., ligands, co-factors, ions, modified amino acids, etc.); see here for a complete list.

The molecule is most likely monomeric.

The following tables show cross-reference information to other databases (to obtain a list of all PDB entries sharing the same property or classification, click on the magnifying glass icon):


Chain Name UniProt Name of source organism % of UniProt sequence present in the sample Residues in the sample molecules % of residues observed
A Tyrosine-protein kinase BTK Q06187 (387-659) (BTK_HUMAN)search Homo sapienssearch < 90% 274 89%


This entry contains 1 unique UniProt protein:

UniProt accession Name Organism PDB
Q06187 (387 - 659) Tyrosine-protein kinase BTK Homo sapiens

Chain Structural classification (CATH) Sequence family (Pfam)
A Phosphorylase Kinase; domain 1search, Transferase(Phosphotransferase) domain 1search Protein tyrosine kinasesearch

Chain ID Molecular function (GO) Biological process (GO)
A (Q06187) protein kinase activitysearch transferase activity, transferring phosphorus-containing groupssearch ATP bindingsearch protein tyrosine kinase activitysearch protein phosphorylationsearch

Chain InterPro annotation
A Protein kinase domainsearch Serine-threonine/tyrosine-protein kinase catalytic domainsearch Tyrosine-protein kinase, active sitesearch Protein kinase-like domainsearch Protein kinase, ATP binding sitesearch Tyrosine-protein kinase, catalytic domainsearch