Structure of PDB 2q92 Chain A Binding Site BS03

Receptor Information
>2q92 Chain A (length=262) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
AISIKTPEDIEKMRVAGRLAAEVLEMIEPYVKPGVSTGELDRICNDYIVN
EQHAVSACLGYHGYPKSVCISINEVVCHGIPDDAKLLKDGDIVNIDVTVI
KDGFHGDTSKMFIVGKPTIMGERLCRITQESLYLALRMVKPGINLREIGA
AIQKFVEAEGFSVVREYCGHGIGRGFHEEPQVLHYDSRETNVVLKPGMTF
TIEPMVNAGKKEIRTMKDGWTVKTKDRSLSAQYEHTIVVTDNGCEILTLR
KDDTIPAIISHD
Ligand information
Ligand IDB23
InChIInChI=1S/C11H7NO5/c13-11(14)10-6-5-9(17-10)7-3-1-2-4-8(7)12(15)16/h1-6H,(H,13,14)
InChIKeyXUFDYUSOQQYQRL-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=C(O)c2oc(c1c([N+]([O-])=O)cccc1)cc2
OpenEye OEToolkits 1.5.0c1ccc(c(c1)c2ccc(o2)C(=O)O)[N+](=O)[O-]
CACTVS 3.341OC(=O)c1oc(cc1)c2ccccc2[N+]([O-])=O
FormulaC11 H7 N O5
Name5-(2-NITROPHENYL)-2-FUROIC ACID
ChEMBLCHEMBL425386
DrugBankDB07408
ZINCZINC000000155127
PDB chain2q92 Chain A Residue 400 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2q92 Structural analysis of inhibition of E. coli methionine aminopeptidase: implication of loop flexibility in selective inhibition of bacterial enzymes.
Resolution1.9 Å
Binding residue
(original residue number in PDB)		C59 Y62 Y65 C70 D97 D108 H171 F177 H178 E204 W221 E235
Binding residue
(residue number reindexed from 1)		C58 Y61 Y64 C69 D96 D107 H170 F176 H177 E203 W220 E234
Annotation score1
Binding affinityMOAD: ic50=1.1uM
PDBbind-CN: -logKd/Ki=5.96,IC50=1.1uM
BindingDB: IC50=1080nM
Enzymatic activity
Catalytic site (original residue number in PDB) H79 D97 D108 H171 R175 H178 Q182 E204 N208 Q233 E235
Catalytic site (residue number reindexed from 1) H78 D96 D107 H170 R174 H177 Q181 E203 N207 Q232 E234
Enzyme Commision number 3.4.11.18: methionyl aminopeptidase.
Gene Ontology
Molecular Function
GO:0004177 aminopeptidase activity
GO:0004239 initiator methionyl aminopeptidase activity
GO:0008198 ferrous iron binding
GO:0008235 metalloexopeptidase activity
GO:0046872 metal ion binding
GO:0046914 transition metal ion binding
GO:0070006 metalloaminopeptidase activity
Biological Process
GO:0006508 proteolysis
Cellular Component
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:2q92, PDBe:2q92, PDBj:2q92
PDBsum2q92
PubMed18093325
UniProtP0AE18|MAP1_ECOLI Methionine aminopeptidase (Gene Name=map)

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