Structure of PDB 1jkx Chain B

Receptor sequence
>1jkxB (length=209) Species: 562 (Escherichia coli) [Search protein sequence]
MNIVVLISGNGSNLQAIIDACKTNKIKGTVRAVFSNKADAFGLERARQAG
IATHTLIASAFDSREAYDRELIHEIDMYAPDVVVLAGFMRILSPAFVSHY
AGRLLNIHPSLLPKYPGLHTHRQALENGDEEHGTSVHFVTDELDGGPVIL
QAKVPVFAGDSEDDITARVQTQEHAIYPLVISWFADGRLKMHENAAWLDG
QRLPPQGYA
3D structure
PDB1jkx Unexpected formation of an epoxide-derived multisubstrate adduct inhibitor on the active site of GAR transformylase.
ChainB
Resolution1.6 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) N106 H108 S135 D144
Catalytic site (residue number reindexed from 1) N106 H108 S135 D144
Enzyme Commision number 2.1.2.2: phosphoribosylglycinamide formyltransferase 1.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 138 B G11 S12 N13 R64 G87 F88 M89 R90 I91 L92 P109 E173 G11 S12 N13 R64 G87 F88 M89 R90 I91 L92 P109 E173 MOAD: Ki=20uM
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0004644 phosphoribosylglycinamide formyltransferase activity
GO:0016740 transferase activity
Biological Process
GO:0006164 purine nucleotide biosynthetic process
GO:0006189 'de novo' IMP biosynthetic process
GO:0006974 DNA damage response
GO:0009058 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:1jkx, PDBe:1jkx, PDBj:1jkx
PDBsum1jkx
PubMed11695901
UniProtP08179|PUR3_ECOLI Phosphoribosylglycinamide formyltransferase (Gene Name=purN)

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