Structure of PDB 1ecg Chain A Binding Site BS01

Receptor Information
>1ecg Chain A (length=492) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
CGIVGIAGVMPVNQSIYDALTVLQHRGQDAAGIITIDANNCFRLRKANGL
VSDVFEARHMQRLQGNMGIGHVRYPTAGSSSASEAQPFYVNSPYGITLAH
NGNLTNAHELRKKLFEEKRRHINTTSDSEILLNIFASELDNFRHYPLEAD
NIFAAIAATNRLIRGAYACVAMIIGHGMVAFRDPNGIRPLVLGKRDIDEN
RTEYMVASESVALDTLGFDFLRDVAPGEAIYITEEGQLFTRQCADNPVSN
PCLFEYVYFARPDSFIDKISVYSARVNMGTKLGEKIAREWEDLDIDVVIP
IPETSCDIALEIARILGKPYRQGFVKNRYVGRTFIMPGQQLRRKSVRRKL
NANRAEFRDKNVLLVDDSIVRGTTSEQIIEMAREAGAKKVYLASAAPEIR
FPNVYGIDMPSATELIAHGREVDEIRQIIGADGLIFQDLNDLIDAVRAEN
PDIQQFECSVFNGVYVTKDVDQGYLDFLDTLRNDDAKAVQRQ
Ligand information
Ligand IDONL
InChIInChI=1S/C6H11NO3/c1-4(8)2-3-5(7)6(9)10/h5H,2-3,7H2,1H3,(H,9,10)/t5-/m0/s1
InChIKeyKSIJECNNZVKMJG-YFKPBYRVSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0CC(=O)CC[C@@H](C(=O)O)N
ACDLabs 10.04O=C(CCC(N)C(=O)O)C
OpenEye OEToolkits 1.5.0CC(=O)CCC(C(=O)O)N
CACTVS 3.341CC(=O)CC[CH](N)C(O)=O
CACTVS 3.341CC(=O)CC[C@H](N)C(O)=O
FormulaC6 H11 N O3
Name5-OXO-L-NORLEUCINE
ChEMBL
DrugBankDB04296
ZINCZINC000000895890
PDB chain1ecg Chain A Residue 505 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1ecg Structure and function of the glutamine phosphoribosylpyrophosphate amidotransferase glutamine site and communication with the phosphoribosylpyrophosphate site.
Resolution2.3 Å
Binding residue
(original residue number in PDB)		C1 S79 N101 G102 S126 D127 S128
Binding residue
(residue number reindexed from 1)		C1 S79 N101 G102 S126 D127 S128
Annotation score3
Enzymatic activity
Catalytic site (original residue number in PDB) C1 G27 N101 G102 Y258 R321 K326 M336 D444
Catalytic site (residue number reindexed from 1) C1 G27 N101 G102 Y258 R321 K326 M336 D444
Enzyme Commision number 2.4.2.14: amidophosphoribosyltransferase.
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0004044 amidophosphoribosyltransferase activity
GO:0016757 glycosyltransferase activity
GO:0042802 identical protein binding
GO:0046872 metal ion binding
GO:0097216 guanosine tetraphosphate binding
Biological Process
GO:0006164 purine nucleotide biosynthetic process
GO:0006189 'de novo' IMP biosynthetic process
GO:0006541 glutamine metabolic process
GO:0009113 purine nucleobase biosynthetic process
Cellular Component
GO:0005737 cytoplasm
GO:0005829 cytosol

View graph for
Molecular Function
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Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1ecg, PDBe:1ecg, PDBj:1ecg
PDBsum1ecg
PubMed8663035
UniProtP0AG16|PUR1_ECOLI Amidophosphoribosyltransferase (Gene Name=purF)

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