Structure of PDB 7m18 Chain E Binding Site BS01

Receptor Information
>7m18 Chain E (length=436) Species: 9606 (Homo sapiens) [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
KRAFVHWYVGEGMEEGEFSEAREDMAALEKDYEEVG
Ligand information
Ligand IDYNP
InChIInChI=1S/C35H43ClN2O8/c1-20(2)16-29-35(42)44-27(22(4)31-32(46-31)24-10-7-6-8-11-24)12-9-13-30(39)38-26(33(40)37-19-21(3)34(41)45-29)18-23-14-15-28(43-5)25(36)17-23/h6-11,13-15,17,20-22,26-27,29,31-32H,12,16,18-19H2,1-5H3,(H,37,40)(H,38,39)/b13-9+/t21-,22+,26+,27+,29+,31-,32-/m1/s1
InChIKeyPSNOPSMXOBPNNV-XUMGCJJFSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 2.0.7C[C@@H]1CNC(=O)[C@@H](NC(=O)/C=C/C[C@H](OC(=O)[C@@H](OC1=O)CC(C)C)[C@H](C)[C@@H]2[C@H](O2)c3ccccc3)Cc4ccc(c(c4)Cl)OC
OpenEye OEToolkits 2.0.7CC1CNC(=O)C(NC(=O)C=CCC(OC(=O)C(OC1=O)CC(C)C)C(C)C2C(O2)c3ccccc3)Cc4ccc(c(c4)Cl)OC
CACTVS 3.385COc1ccc(C[CH]2NC(=O)C=CC[CH](OC(=O)[CH](CC(C)C)OC(=O)[CH](C)CNC2=O)[CH](C)[CH]3O[CH]3c4ccccc4)cc1Cl
CACTVS 3.385COc1ccc(C[C@@H]2NC(=O)/C=C/C[C@H](OC(=O)[C@H](CC(C)C)OC(=O)[C@H](C)CNC2=O)[C@H](C)[C@H]3O[C@@H]3c4ccccc4)cc1Cl
ACDLabs 12.01COc1ccc(cc1Cl)CC1NC(=O)C=CCC(OC(=O)C(OC(=O)C(C)CNC1=O)CC(C)C)C(C)C1OC1c1ccccc1
FormulaC35 H43 Cl N2 O8
NameCryptophycin 1;
(3S,6R,10S,13E,16S)-10-[(3-chloro-4-methoxyphenyl)methyl]-6-methyl-3-(2-methylpropyl)-16-{(1S)-1-[(2R,3R)-3-phenyloxiran-2-yl]ethyl}-1,4-dioxa-8,11-diazacyclohexadec-13-ene-2,5,9,12-tetrone
ChEMBL
DrugBank
ZINCZINC000161134876
PDB chain7m18 Chain F Residue 501 [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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PDB7m18 Conformational changes in tubulin upon binding cryptophycin-52 reveal its mechanism of action.
Resolution3.38 Å
Binding residue
(original residue number in PDB)		T257 N258 C347
Binding residue
(residue number reindexed from 1)		T257 N258 C347
Annotation score1
Enzymatic activity
Enzyme Commision number 3.6.5.-
Gene Ontology
Molecular Function
GO:0003725 double-stranded RNA binding
GO:0003924 GTPase activity
GO:0005198 structural molecule activity
GO:0005200 structural constituent of cytoskeleton
GO:0005515 protein binding
GO:0005525 GTP binding
GO:0016787 hydrolase activity
GO:0031625 ubiquitin protein ligase binding
Biological Process
GO:0000226 microtubule cytoskeleton organization
GO:0000278 mitotic cell cycle
GO:0007017 microtubule-based process
GO:0030705 cytoskeleton-dependent intracellular transport
GO:0051301 cell division
GO:0071353 cellular response to interleukin-4
Cellular Component
GO:0005737 cytoplasm
GO:0005856 cytoskeleton
GO:0005874 microtubule
GO:0005881 cytoplasmic microtubule
GO:0015630 microtubule cytoskeleton

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:7m18, PDBe:7m18, PDBj:7m18
PDBsum7m18
PubMed34461087
UniProtP68363|TBA1B_HUMAN Tubulin alpha-1B chain (Gene Name=TUBA1B)

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