Structure of PDB 1cli Chain B Binding Site BS01

Receptor Information
>1cli Chain B (length=325) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
ALVGRIKGVVKKTRRPEVMGGLGGFGALCALPQKYREPVLVSGTDGVGTK
LRLAMDLKRHDTIGIDLVAMCVNDLVVQGAEPLFFLDYYATGKLDVDTAS
AVISGIAEGCLQSGCSLVGGETAEMPGMYHGEDYDVAGFCVGVVEKSEII
DGSKVSDGDVLIALGSSGPHSNGYSLVRKILEVSGCDPQTTELDGKPLAD
HLLAPTRIYVKSVLELIEKVDVHAIAHLTGGGFWENIPRVLPDNTQAVID
ESSWQWPEVFNWLQTAGNVEHHEMYRTFNCGVGMIIALPAPEVDKALALL
NANGENAWKIGIIKASDSEQRVVIE
Ligand information
Ligand IDSO4
InChIInChI=1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4)/p-2
InChIKeyQAOWNCQODCNURD-UHFFFAOYSA-L
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0[O-]S(=O)(=O)[O-]
CACTVS 3.341[O-][S]([O-])(=O)=O
ACDLabs 10.04[O-]S([O-])(=O)=O
FormulaO4 S
NameSULFATE ION
ChEMBL
DrugBankDB14546
ZINC
PDB chain1cli Chain B Residue 1350 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1cli X-ray crystal structure of aminoimidazole ribonucleotide synthetase (PurM), from the Escherichia coli purine biosynthetic pathway at 2.5 A resolution.
Resolution2.5 Å
Binding residue
(original residue number in PDB)		T1069 N1192 G1193 Y1194 S1195
Binding residue
(residue number reindexed from 1)		T49 N172 G173 Y174 S175
Annotation score1
Enzymatic activity
Enzyme Commision number 6.3.3.1: phosphoribosylformylglycinamidine cyclo-ligase.
Gene Ontology
Molecular Function
GO:0004637 phosphoribosylamine-glycine ligase activity
GO:0004641 phosphoribosylformylglycinamidine cyclo-ligase activity
GO:0005524 ATP binding
GO:0016874 ligase activity
Biological Process
GO:0006164 purine nucleotide biosynthetic process
GO:0006189 'de novo' IMP biosynthetic process
GO:0046084 adenine biosynthetic process
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1cli, PDBe:1cli, PDBj:1cli
PDBsum1cli
PubMed10508786
UniProtP08178|PUR5_ECOLI Phosphoribosylformylglycinamidine cyclo-ligase (Gene Name=purM)

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