Structure of PDB 1eyz Chain B

Receptor sequence
>1eyzB (length=389) Species: 562 (Escherichia coli) [Search protein sequence]
TLLGTALRPAATRVMLLGSGELGKEVAIECQRLGVEVIAVDRYADAPAMH
VAHRSHVINMLDGDALRRVVELEKPHYIVPEIEAIATDMLIQLEEEGLNV
VPCARATKLTMNREGIRRLAAEELQLPTSTYRFADSESLFREAVADIGYP
CIVKPVMSSSGKGQTFIRSAEQLAQAWKYAQQGGRAGRVIVEGVVKFDFE
ITLLTVSAVDGVHFCAPVGHRQEDGDYRESWQPQQMSPLALERAQEIARK
VVLALGGYGLFGVELFVCGDEVIFSEVSPRPHDTGMVTLISQDLSEFALH
VRAFLGLPVGGIRQYGPAASAVILPQLTSQNVTFDNVQNAVGADLQIRLF
GKPEIDGSRRLGVALATAESVVDAIERAKHAAGQVKVQG
3D structure
PDB1eyz Molecular structure of Escherichia coli PurT-encoded glycinamide ribonucleotide transformylase.
ChainB
Resolution1.75 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) E115 K155 S160 G162 E267 E279 D286 T287 R363
Catalytic site (residue number reindexed from 1) E114 K154 S159 G161 E264 E276 D283 T284 R360
Enzyme Commision number 6.3.1.21: phosphoribosylglycinamide formyltransferase 2.
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 MG B E267 E279 E264 E276
BS02 ANP B R114 K155 S159 S160 S161 G162 E195 V198 F200 E203 Q225 E267 F269 E279 R113 K154 S158 S159 S160 G161 E192 V195 F197 E200 Q222 E264 F266 E276
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0003824 catalytic activity
GO:0004644 phosphoribosylglycinamide formyltransferase activity
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0008776 acetate kinase activity
GO:0016742 hydroxymethyl-, formyl- and related transferase activity
GO:0016874 ligase activity
GO:0043815 phosphoribosylglycinamide formyltransferase 2 activity
GO:0046872 metal ion binding
Biological Process
GO:0006164 purine nucleotide biosynthetic process
GO:0006189 'de novo' IMP biosynthetic process
GO:0009152 purine ribonucleotide biosynthetic process
Cellular Component
GO:0005829 cytosol

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Cellular Component
External links
PDB RCSB:1eyz, PDBe:1eyz, PDBj:1eyz
PDBsum1eyz
PubMed10913290
UniProtP33221|PURT_ECOLI Formate-dependent phosphoribosylglycinamide formyltransferase (Gene Name=purT)

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