Structure of PDB 2gcq Chain A Binding Site BS02

Receptor Information
>2gcq Chain A (length=431) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
GNNVVVLGTQWGDEGKGKIVDLLTERAKYVVRYQGGHNAGHTLVINGEKT
VLHLIPSGILRENVTSIIGNGVVLSPAALMKEMKELEDRGIPVRERLLLS
EACPLILDYHVALDNAREKARGAKAIGTTGRGIGPAYEDKVARRGLRVGD
LFDKETFAEKLKEVMEYHNFQLVNYYKAEAVDYQKVLDDTMAVADILTSM
VVDVSDLLDQARQRGDFVMFEGAQGTLLDIDHGTYPYVTSSNTTAGGVAT
GSGLGPRYVDYVLGILKAYSTRVGAGPFPTELFDETGEFLCKQGNEFGAT
TGRRRRTGWLDTVAVRRAVQLNSLSGFCLTKLDVLDGLKEVKLCVAYRMP
DGREVTTTPLAADDWKGVEPIYETMPGWSESTFGVKDRSGLPQAALNYIK
RIEELTGVPIDIISTGPDRTETMILRDPFDA
Ligand information
Ligand IDDOI
InChIInChI=1S/C10H14N4O10P2/c15-5-1-7(23-6(5)2-22-25(16,17)18)14-4-13-8-9(14)11-3-12-10(8)24-26(19,20)21/h3-7,15H,1-2H2,(H2,16,17,18)(H2,19,20,21)/t5-,6+,7+/m0/s1
InChIKeyGEECATYOCBMMIR-RRKCRQDMSA-N
SMILES
SoftwareSMILES
CACTVS 3.341O[C@H]1C[C@@H](O[C@@H]1CO[P](O)(O)=O)n2cnc3c(O[P](O)(O)=O)ncnc23
OpenEye OEToolkits 1.5.0c1nc2c(c(n1)OP(=O)(O)O)ncn2C3CC(C(O3)COP(=O)(O)O)O
OpenEye OEToolkits 1.5.0c1nc2c(c(n1)OP(=O)(O)O)ncn2[C@H]3C[C@@H]([C@H](O3)COP(=O)(O)O)O
CACTVS 3.341O[CH]1C[CH](O[CH]1CO[P](O)(O)=O)n2cnc3c(O[P](O)(O)=O)ncnc23
ACDLabs 10.04O=P(O)(O)Oc3ncnc1c3ncn1C2OC(C(O)C2)COP(=O)(O)O
FormulaC10 H14 N4 O10 P2
Name9-(2-DEOXY-5-O-PHOSPHONO-BETA-D-ERYTHRO-PENTOFURANOSYL)-6-(PHOSPHONOOXY)-9H-PURINE;
2'-DEOXY-IMP
ChEMBL
DrugBank
ZINCZINC000016051930
PDB chain2gcq Chain A Residue 451 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2gcq Cavitation as a mechanism of substrate discrimination by adenylosuccinate synthetases
Resolution2.0 Å
Binding residue
(original residue number in PDB)
G12 D13 K16 A39 G40 H41 G127 T128 T129 A223 Q224 L228 T239 V273
Binding residue
(residue number reindexed from 1)
G12 D13 K16 A39 G40 H41 G127 T128 T129 A223 Q224 L228 T239 V273
Annotation score2
Enzymatic activity
Catalytic site (original residue number in PDB) D13 K16 G40 H41 Q224
Catalytic site (residue number reindexed from 1) D13 K16 G40 H41 Q224
Enzyme Commision number 6.3.4.4: adenylosuccinate synthase.
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0000287 magnesium ion binding
GO:0004019 adenylosuccinate synthase activity
GO:0005515 protein binding
GO:0005525 GTP binding
GO:0016874 ligase activity
GO:0046872 metal ion binding
GO:0097216 guanosine tetraphosphate binding
Biological Process
GO:0006164 purine nucleotide biosynthetic process
GO:0006974 DNA damage response
GO:0015949 nucleobase-containing small molecule interconversion
GO:0044208 'de novo' AMP biosynthetic process
GO:0046040 IMP metabolic process
GO:0046086 adenosine biosynthetic process
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol
GO:0016020 membrane

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:2gcq, PDBe:2gcq, PDBj:2gcq
PDBsum2gcq
PubMed16981730
UniProtP0A7D4|PURA_ECOLI Adenylosuccinate synthetase (Gene Name=purA)

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