Structure of PDB 6knz Chain A Binding Site BS02

Receptor Information
>6knz Chain A (length=438) Species: 9913 (Bos taurus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MRECISIHVGQAGVQIGNACWELYCLEHGIQPDGQMPSDKTIGGGDDSFN
TFFSETGAGKHVPRAVFVDLEPTVIDEVRTGTYRQLFHPEQLITGKEDAA
NNYARGHYTIGKEIIDLVLDRIRKLADQCTGLQGFLVFHSFGGGTGSGFT
SLLMERLSVDYGKKSKLEFSIYPAPQVSTAVVEPYNSILTTHTTLEHSDC
AFMVDNEAIYDICRRNLDIERPTYTNLNRLISQIVSSITASLRFDGALNV
DLTEFQTNLVPYPRIHFPLATYAPVISAEKAYHEQLSVAEITNACFEPAN
QMVKCDPRHGKYMACCLLYRGDVVPKDVNAAIATIKTKRSIQFVDWCPTG
FKVGINYQPPTVVPGGDLAKVQRAVCMLSNTTAIAEAWARLDHKFDLMYA
KRAFVHWYVGEGMEEGEFSEAREDMAALEKDYEEVGVD
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain6knz Chain A Residue 503 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB6knz Reversible binding of the anticancer drug KXO1 (tirbanibulin) to the colchicine-binding site of beta-tubulin explains KXO1's low clinical toxicity.
Resolution2.475 Å
Binding residue
(original residue number in PDB)		D39 T41 G44 E55
Binding residue
(residue number reindexed from 1)		D39 T41 G44 E55
Annotation score1
Enzymatic activity
Enzyme Commision number 3.6.5.-
Gene Ontology
Molecular Function
GO:0003924 GTPase activity
GO:0005200 structural constituent of cytoskeleton
GO:0005525 GTP binding
GO:0016787 hydrolase activity
GO:0046872 metal ion binding
Biological Process
GO:0000226 microtubule cytoskeleton organization
GO:0000278 mitotic cell cycle
GO:0007017 microtubule-based process
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0005856 cytoskeleton
GO:0005874 microtubule
GO:0015630 microtubule cytoskeleton

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:6knz, PDBe:6knz, PDBj:6knz
PDBsum6knz
PubMed31628188
UniProtP81947|TBA1B_BOVIN Tubulin alpha-1B chain

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