Structure of PDB 5etp Chain A Binding Site BS05

Receptor Information
>5etp Chain A (length=160) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
AMTVAYIAIGSNLASPLEQVNAALKALGDIPESHILTVSSFYRTPPLGPQ
DQPDYLNAAVALETSLAPEELLNHTQRIELQQGRVRKAERWGPRTLDLDI
MLFGNEVINTERLTVPHYDMKNRGFMLWPLFEIAPELVFPDGEMLRQILH
TRAFDKLNKW
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain5etp Chain A Residue 205 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB5etp Structural Basis for the Selective Binding of Inhibitors to 6-Hydroxymethyl-7,8-dihydropterin Pyrophosphokinase from Staphylococcus aureus and Escherichia coli.
Resolution1.05 Å
Binding residue
(original residue number in PDB)		D95 D97
Binding residue
(residue number reindexed from 1)		D97 D99
Annotation score1
Enzymatic activity
Catalytic site (original residue number in PDB) R82 R92 D95 D97
Catalytic site (residue number reindexed from 1) R84 R94 D97 D99
Enzyme Commision number 2.7.6.3: 2-amino-4-hydroxy-6-hydroxymethyldihydropteridine diphosphokinase.
Gene Ontology
Molecular Function
GO:0000287 magnesium ion binding
GO:0003848 2-amino-4-hydroxy-6-hydroxymethyldihydropteridine diphosphokinase activity
GO:0005524 ATP binding
GO:0016301 kinase activity
Biological Process
GO:0009396 folic acid-containing compound biosynthetic process
GO:0016310 phosphorylation
GO:0046654 tetrahydrofolate biosynthetic process
GO:0046656 folic acid biosynthetic process

View graph for
Molecular Function
View graph for
Biological Process
External links
PDB RCSB:5etp, PDBe:5etp, PDBj:5etp
PDBsum5etp
PubMed27094768
UniProtP26281|HPPK_ECOLI 2-amino-4-hydroxy-6-hydroxymethyldihydropteridine pyrophosphokinase (Gene Name=folK)

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