Structure of PDB 2ptq Chain B Binding Site BS03

Receptor Information
>2ptq Chain B (length=458) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MELSSLTAVSPVDGRYGDKVSALRGIFSEYGLLKFRVQVEVRWLQKLAAH
AAIKEVPAFAADAIGYLDAIVASFSEEDAARIKTIERTTNHDVKAVEYFL
KEKVAEIPELHAVSEFIHFACTSEDINNLSHALMLKTARDEVILPYWRQL
IDGLKDLAVQYRDIPLLSRTNGQPATPSTIGKEMANVAYRMERQYRQLNQ
VEILGKINGAVGNYNAHIAAYPEVDWHQFSEEFVTSLGIQWNPYTTQIEP
HDYIAELFDCVARFNTILIDFDRDVWGYIALNHFKQKTIAGEIGSSTMPH
KVNPIDFENSEGNLGLSNAVLQHLASKLPVSRWQRDLTDSTVLRNLGVGI
GYALIAYQSTLKGVSKLEVNRDHLLDELDHNWEVLAEPIQTVMRRYGIEK
PYEKLKELTRGKRVDAEGMKQFIDGLALPEEEKARLKAMTPANYIGRAIT
MVDELKHH
Ligand information
Ligand IDFUM
InChIInChI=1S/C4H4O4/c5-3(6)1-2-4(7)8/h1-2H,(H,5,6)(H,7,8)/b2-1+
InChIKeyVZCYOOQTPOCHFL-OWOJBTEDSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.7.6C(=CC(=O)O)C(=O)O
OpenEye OEToolkits 1.7.6C(=C/C(=O)O)\C(=O)O
CACTVS 3.370OC(=O)\C=C\C(O)=O
ACDLabs 12.01O=C(O)\C=C\C(=O)O
CACTVS 3.370OC(=O)C=CC(O)=O
FormulaC4 H4 O4
NameFUMARIC ACID
ChEMBLCHEMBL503160
DrugBankDB01677
ZINCZINC000003860193
PDB chain2ptq Chain B Residue 1100 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2ptq Substrate and Product Complexes of Escherichia coli Adenylosuccinate Lyase Provide New Insights into the Enzymatic Mechanism.
Resolution2.0 Å
Binding residue
(original residue number in PDB)		S295 S296 M298 K301 N303
Binding residue
(residue number reindexed from 1)		S295 S296 M298 K301 N303
Annotation score5
Enzymatic activity
Catalytic site (original residue number in PDB) H91 T170 N171 S296 K301 E308
Catalytic site (residue number reindexed from 1) H91 T170 N171 S296 K301 E308
Enzyme Commision number 4.3.2.2: adenylosuccinate lyase.
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0004018 N6-(1,2-dicarboxyethyl)AMP AMP-lyase (fumarate-forming) activity
GO:0005515 protein binding
GO:0016829 lyase activity
GO:0070626 (S)-2-(5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxamido) succinate lyase (fumarate-forming) activity
GO:0097216 guanosine tetraphosphate binding
Biological Process
GO:0006164 purine nucleotide biosynthetic process
GO:0006188 IMP biosynthetic process
GO:0006189 'de novo' IMP biosynthetic process
GO:0006974 DNA damage response
GO:0009152 purine ribonucleotide biosynthetic process
GO:0044208 'de novo' AMP biosynthetic process
Cellular Component
GO:0005829 cytosol

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Biological Process
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Cellular Component
External links
PDB RCSB:2ptq, PDBe:2ptq, PDBj:2ptq
PDBsum2ptq
PubMed17531264
UniProtP0AB89|PUR8_ECOLI Adenylosuccinate lyase (Gene Name=purB)

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