Structure of PDB 1sqk Chain A Binding Site BS02

Receptor Information
>1sqk Chain A (length=360) Species: 9986 (Oryctolagus cuniculus) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TTALVCDNGSGLVKAGFAGDDAPRAVFPSIVGRPRHQGKDSYVGDEAQSK
RGILTLKYPIEHGIITNWDDMEKIWHHTFYNELRVAPEEHPTLLTEAPLN
PKANREKMTQIMFETFNVPAMYVAIQAVLSLYASGRTTGIVLDSGDGVTH
NVPIYEGYALPHAIMRLDLAGRDLTDYLMKILTERGYSFVTTAEREIVRD
IKEKLCYVALDFENEMATAASSSSLEKSYELPDGQVITIGNERFRCPETL
FQPSFIGMESAGIHETTYNSIMKCDIDIRKDLYANNVMSGGTTMYPGIAD
RMQKEITALAPSTMKIKIIAPPERKYSVWIGGSILASLSTFQQMWITKQE
YDEAGPSIVH
Ligand information
Ligand IDADP
InChIInChI=1S/C10H15N5O10P2/c11-8-5-9(13-2-12-8)15(3-14-5)10-7(17)6(16)4(24-10)1-23-27(21,22)25-26(18,19)20/h2-4,6-7,10,16-17H,1H2,(H,21,22)(H2,11,12,13)(H2,18,19,20)/t4-,6-,7-,10-/m1/s1
InChIKeyXTWYTFMLZFPYCI-KQYNXXCUSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)CO[P@](=O)(O)OP(=O)(O)O)O)O)N
CACTVS 3.341Nc1ncnc2n(cnc12)[CH]3O[CH](CO[P](O)(=O)O[P](O)(O)=O)[CH](O)[CH]3O
ACDLabs 10.04O=P(O)(O)OP(=O)(O)OCC3OC(n2cnc1c(ncnc12)N)C(O)C3O
CACTVS 3.341Nc1ncnc2n(cnc12)[C@@H]3O[C@H](CO[P@@](O)(=O)O[P](O)(O)=O)[C@@H](O)[C@H]3O
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)C3C(C(C(O3)COP(=O)(O)OP(=O)(O)O)O)O)N
FormulaC10 H15 N5 O10 P2
NameADENOSINE-5'-DIPHOSPHATE
ChEMBLCHEMBL14830
DrugBankDB16833
ZINCZINC000012360703
PDB chain1sqk Chain A Residue 377 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB1sqk The beta-Thymosin/WH2 Domain; Structural Basis for the Switch from Inhibition to Promotion of Actin Assembly
Resolution2.5 Å
Binding residue
(original residue number in PDB)		G13 S14 G15 L16 K18 G156 D157 G182 R210 K213 E214 G302 Y306
Binding residue
(residue number reindexed from 1)		G9 S10 G11 L12 K14 G145 D146 G171 R199 K202 E203 G291 Y295
Annotation score5
Enzymatic activity
Enzyme Commision number 3.6.4.-
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0003785 actin monomer binding
GO:0005509 calcium ion binding
GO:0005515 protein binding
GO:0005523 tropomyosin binding
GO:0005524 ATP binding
GO:0016787 hydrolase activity
GO:0019904 protein domain specific binding
GO:0031013 troponin I binding
GO:0031432 titin binding
GO:0032036 myosin heavy chain binding
GO:0042802 identical protein binding
GO:0048306 calcium-dependent protein binding
GO:0140660 cytoskeletal motor activator activity
Biological Process
GO:0010628 positive regulation of gene expression
GO:0030041 actin filament polymerization
GO:0030240 skeletal muscle thin filament assembly
GO:0048741 skeletal muscle fiber development
GO:0051017 actin filament bundle assembly
GO:0090131 mesenchyme migration
Cellular Component
GO:0001725 stress fiber
GO:0005737 cytoplasm
GO:0005856 cytoskeleton
GO:0005865 striated muscle thin filament
GO:0005884 actin filament
GO:0030027 lamellipodium
GO:0030175 filopodium
GO:0031941 filamentous actin
GO:0032432 actin filament bundle
GO:0044297 cell body
GO:0098723 skeletal muscle myofibril

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1sqk, PDBe:1sqk, PDBj:1sqk
PDBsum1sqk
PubMed15163409
UniProtP68135|ACTS_RABIT Actin, alpha skeletal muscle (Gene Name=ACTA1)

[Back to BioLiP]