Structure of PDB 1yv3 Chain A Binding Site BS03

Receptor Information
>1yv3 Chain A (length=703) Species: 44689 (Dictyostelium discoideum) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
NPIHDRTSDYHKYLKVKQGDSDLFKLTVSDKRYIWYNPDPKERDSYECGE
IVSETSDSFTFKTVDQDRQVKKDDANQRNPIKFDGVEDMSELSYLNEPAV
FHNLRVRYNQDLIYTYSGLFLVAVNPFKRIPIYTQEMVDIFKGRRRNEVA
PHIFAISDVAYRSMLDDRQNQSLLITGESGAGKTENTKKVIQYLASVAGR
VLEQQILQANPILEAFGNAKTTRNNNSSRFGKFIEIQFNSAGFISGASIQ
SYLLEKSRVVFQSETERNYHIFYQLLAGATAEEKKALHLAGPESFNYLNQ
SGCVDIKGVSDSEEFKITRQAMDIVGFSQEEQMSIFKIIAGILHLGNIKF
EKGAGEGAVLKDKTALNAASTVFGVNPSVLEKALMEPRILAGRDLVAQHL
NVEKSSSSRDALVKALYGRLFLWLVKKINNVLCQERKAYFIGVLDISGFE
IFKVNSFEQLCINYTNEKLQQFFNHHMFKLEQEEYLKEKINWTFIDFGLD
SQATIDLIDGRQPPGILALLDEQSVFPNATDNTLITKLHSHFSKKNAKYE
EPRFSKTEFGVTHYAGQVMYEIQDWLEKNKDPLQQDLELCFKDSSDNVVT
KLFNDPNIASRAKKGANFITVAAQYKEQLASLMATLETTNPHFVRCIIPN
NKQLPAKLEDKVVLDQLRCNGVLEGIRITRKGFPNRIIYFVQYRFGITKI
FFR
Ligand information
Ligand IDBIT
InChIInChI=1S/C18H16N2O2/c1-12-7-8-15-14(11-12)16(21)18(22)9-10-20(17(18)19-15)13-5-3-2-4-6-13/h2-8,11,22H,9-10H2,1H3/t18-/m1/s1
InChIKeyLZAXPYOBKSJSEX-GOSISDBHSA-N
SMILES
SoftwareSMILES
CACTVS 3.341Cc1ccc2N=C3N(CC[C@@]3(O)C(=O)c2c1)c4ccccc4
ACDLabs 10.04O=C2c4c(N=C3N(c1ccccc1)CCC23O)ccc(c4)C
CACTVS 3.341Cc1ccc2N=C3N(CC[C]3(O)C(=O)c2c1)c4ccccc4
OpenEye OEToolkits 1.5.0Cc1ccc2c(c1)C(=O)C3(CCN(C3=N2)c4ccccc4)O
OpenEye OEToolkits 1.5.0Cc1ccc2c(c1)C(=O)[C@@]3(CCN(C3=N2)c4ccccc4)O
FormulaC18 H16 N2 O2
Name(-)-1-PHENYL-1,2,3,4-TETRAHYDRO-4-HYDROXYPYRROLO[2,3-B]-7-METHYLQUINOLIN-4-ONE;
(S)-BLEBBISTATIN;
(3AS)-3A-HYDROXY-6-METHYL-1-PHENYL-3,3A-DIHYDRO-1H-PYRROLO[2,3-B]QUINOLIN-4(2H)-ONE
ChEMBLCHEMBL1231358
DrugBankDB01944
ZINCZINC000002526884
PDB chain1yv3 Chain A Residue 800 [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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PDB1yv3 The structural basis of blebbistatin inhibition and specificity for myosin II.
Resolution2.0 Å
Binding residue
(original residue number in PDB)
F239 G240 Y261 L262 L263 S456 E467 C470 I471 Y634
Binding residue
(residue number reindexed from 1)
F230 G231 Y252 L253 L254 S447 E458 C461 I462 Y625
Annotation score1
Binding affinityBindingDB: IC50=4900nM
Enzymatic activity
Catalytic site (original residue number in PDB) S181 G182 T186 N233 S236 S237 G457 E459
Catalytic site (residue number reindexed from 1) S179 G180 T184 N224 S227 S228 G448 E450
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0003774 cytoskeletal motor activity
GO:0005524 ATP binding
GO:0051015 actin filament binding
Cellular Component
GO:0016459 myosin complex

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Molecular Function

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Cellular Component
External links
PDB RCSB:1yv3, PDBe:1yv3, PDBj:1yv3
PDBsum1yv3
PubMed15750603
UniProtP08799|MYS2_DICDI Myosin-2 heavy chain (Gene Name=mhcA)

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