Structure of PDB 2qta Chain B Binding Site BS03

Receptor Information
>2qta Chain B (length=801) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ISNYINTIPVEEQPEYPGNLELERRIRSAIRWNAIMTVLRASKKDLELGG
HMASFQSSATIYDVCFNHFFRARNEQDGGDLVYFQGHISPGVYARAFLEG
RLTQEQLDNFRQEVHGNGLSSYPHPKLMPEFWQFPTVSMGLGPIGAIYQA
KFLKYLEHRGLKDTSKQTVYAFLGDGEMDEPESKGAITIATREKLDNLVF
VINCNLQRLDGPVTGNGKIINELEGIFEGAGWNVIKVMWGSRWDELLRKD
TSGKLIQLMNETVDGDYQTFKSKDGAYVREHFFGKYPETAALVADWTDEQ
IWALNRGGHDPKKIYAAFKKAQETKGKATVILAHTIKGYGMGDAAMDGVR
HIRDRFNVPVSDADIEKLPYITFPEGSEEHTYLHAQRQKLHGYLPSRQPN
FTEKLELPSLQDFGALLEEQSKEISTTIAFVRALNVMLKNKSIKDRLVPI
IADEARTFGMEGLFRQIGIYSPEDEKGQILQEGINELGAGCSWLAAATSY
STNNLPMIPFYIYYSMFGFQRIGDLCWAAGDQQARGFLIGGTSGRTTLNG
EGLQHEDGHSHIQSLTIPNCISYDPAYAYEVAVIMHDGLERMYGEKQENV
YYYITTLNENYHMPAMPEGAEEGIRKGIYKLETIEGSKGKVQLLGSGSIL
RHVREAAEILAKDYGVGSDVYSVTSFTELARDGQDCERWNMLHPLETPRV
PYIAQVMNDAPAVASTDYMKLFAEQVRTYVPADDYRVLGTDGFGRSDSRE
NLRHHFEVDASYVVVAALGELAKRGEIDKKVVADAIAKFNIDADKVNPRL
A
Ligand information
Ligand IDTPP
InChIInChI=1S/C12H18N4O7P2S/c1-8-11(3-4-22-25(20,21)23-24(17,18)19)26-7-16(8)6-10-5-14-9(2)15-12(10)13/h5,7H,3-4,6H2,1-2H3,(H4-,13,14,15,17,18,19,20,21)/p+1
InChIKeyAYEKOFBPNLCAJY-UHFFFAOYSA-O
SMILES
SoftwareSMILES
CACTVS 3.341Cc1ncc(C[n+]2csc(CCO[P@@](O)(=O)O[P](O)(O)=O)c2C)c(N)n1
OpenEye OEToolkits 1.5.0Cc1c(sc[n+]1Cc2cnc(nc2N)C)CCO[P@](=O)(O)OP(=O)(O)O
OpenEye OEToolkits 1.5.0Cc1c(sc[n+]1Cc2cnc(nc2N)C)CCOP(=O)(O)OP(=O)(O)O
CACTVS 3.341Cc1ncc(C[n+]2csc(CCO[P](O)(=O)O[P](O)(O)=O)c2C)c(N)n1
ACDLabs 10.04O=P(O)(O)OP(=O)(O)OCCc1sc[n+](c1C)Cc2c(nc(nc2)C)N
FormulaC12 H19 N4 O7 P2 S
NameTHIAMINE DIPHOSPHATE
ChEMBLCHEMBL1236376
DrugBank
ZINCZINC000008215517
PDB chain2qta Chain B Residue 887 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2qta A Dynamic Loop at the Active Center of the Escherichia coli Pyruvate Dehydrogenase Complex E1 Component Modulates Substrate Utilization and Chemical Communication with the E2 Component
Resolution1.85 Å
Binding residue
(original residue number in PDB)		S109 Q140 H142 V192 M194 G229 D230 G231 E232 N260 Q262 R263 L264 K392
Binding residue
(residue number reindexed from 1)		S54 Q85 H87 V137 M139 G174 D175 G176 E177 N205 Q207 R208 L209 K337
Annotation score1
Enzymatic activity
Enzyme Commision number 1.2.4.1: pyruvate dehydrogenase (acetyl-transferring).
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0003824 catalytic activity
GO:0004738 pyruvate dehydrogenase activity
GO:0004739 pyruvate dehydrogenase (acetyl-transferring) activity
GO:0005515 protein binding
GO:0016491 oxidoreductase activity
GO:0030976 thiamine pyrophosphate binding
GO:0036094 small molecule binding
GO:0042802 identical protein binding
GO:0042803 protein homodimerization activity
GO:0046872 metal ion binding
GO:0060090 molecular adaptor activity
Biological Process
GO:0042867 pyruvate catabolic process
Cellular Component
GO:0005829 cytosol
GO:0016020 membrane
GO:0045254 pyruvate dehydrogenase complex

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:2qta, PDBe:2qta, PDBj:2qta
PDBsum2qta
PubMed17635929
UniProtP0AFG8|ODP1_ECOLI Pyruvate dehydrogenase E1 component (Gene Name=aceE)

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