Structure of PDB 1rp7 Chain B Binding Site BS03

Receptor Information
>1rp7 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 IDTZD
InChIInChI=1S/C12H18N4O8P2S/c1-7-10(3-4-23-26(21,22)24-25(18,19)20)27-12(17)16(7)6-9-5-14-8(2)15-11(9)13/h5H,3-4,6H2,1-2H3,(H,21,22)(H2,13,14,15)(H2,18,19,20)
InChIKeyZGJUYGIRPQSCFA-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=C1SC(=C(N1Cc2c(nc(nc2)C)N)C)CCOP(=O)(O)OP(=O)(O)O
CACTVS 3.341Cc1ncc(CN2C(=C(CCO[P](O)(=O)O[P](O)(O)=O)SC2=O)C)c(N)n1
OpenEye OEToolkits 1.5.0Cc1ncc(c(n1)N)CN2C(=C(SC2=O)CCO[P@@](=O)(O)OP(=O)(O)O)C
CACTVS 3.341Cc1ncc(CN2C(=C(CCO[P@](O)(=O)O[P](O)(O)=O)SC2=O)C)c(N)n1
OpenEye OEToolkits 1.5.0Cc1ncc(c(n1)N)CN2C(=C(SC2=O)CCOP(=O)(O)OP(=O)(O)O)C
FormulaC12 H18 N4 O8 P2 S
Name2-{3-[(4-AMINO-2-METHYLPYRIMIDIN-5-YL)METHYL]-4-METHYL-2-OXO-2,3-DIHYDRO-1,3-THIAZOL-5-YL}ETHYL TRIHYDROGEN DIPHOSPHATE;
THIAMIN THIAZOLONE DIPHOSPHATE
ChEMBLCHEMBL403021
DrugBank
ZINCZINC000013540298
PDB chain1rp7 Chain B Residue 887 [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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PDB1rp7 Structural Determinants of Enzyme Binding Affinity: The E1 Component of Pyruvate Dehydrogenase from Escherichia coli in Complex with the Inhibitor Thiamin Thiazolone Diphosphate.
Resolution2.09 Å
Binding residue
(original residue number in PDB)		S109 Q140 H142 V192 S193 M194 G229 D230 G231 E232 N260 Q262 K392
Binding residue
(residue number reindexed from 1)		S54 Q85 H87 V137 S138 M139 G174 D175 G176 E177 N205 Q207 K337
Annotation score1
Binding affinityMOAD: Ki>0.003uM
PDBbind-CN: -logKd/Ki=8.52,Ki=0.003uM
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

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Molecular Function
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Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1rp7, PDBe:1rp7, PDBj:1rp7
PDBsum1rp7
PubMed14992577
UniProtP0AFG8|ODP1_ECOLI Pyruvate dehydrogenase E1 component (Gene Name=aceE)

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