Structure of PDB 5etn Chain A Binding Site BS05

Receptor Information
>5etn Chain A (length=159) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MTVAYIAIGSNLASPLEQVNAALKALGDIPESHILTVSSFYRTPPLGPQD
QPDYLNAAVALETSLAPEELLNHTQRIELQQGRVRKAERWGPRTLDLDIM
LFGNEVINTERLTVPHYDMKNRGFMLWPLFEIAPELVFPDGEMLRQILHT
RAFDKLNKW
Ligand information
Ligand IDATP
InChIInChI=1S/C10H16N5O13P3/c11-8-5-9(13-2-12-8)15(3-14-5)10-7(17)6(16)4(26-10)1-25-30(21,22)28-31(23,24)27-29(18,19)20/h2-4,6-7,10,16-17H,1H2,(H,21,22)(H,23,24)(H2,11,12,13)(H2,18,19,20)/t4-,6-,7-,10-/m1/s1
InChIKeyZKHQWZAMYRWXGA-KQYNXXCUSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)C3C(C(C(O3)COP(=O)(O)OP(=O)(O)OP(=O)(O)O)O)O)N
CACTVS 3.341Nc1ncnc2n(cnc12)[CH]3O[CH](CO[P](O)(=O)O[P](O)(=O)O[P](O)(O)=O)[CH](O)[CH]3O
ACDLabs 10.04O=P(O)(O)OP(=O)(O)OP(=O)(O)OCC3OC(n2cnc1c(ncnc12)N)C(O)C3O
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)CO[P@@](=O)(O)O[P@](=O)(O)OP(=O)(O)O)O)O)N
CACTVS 3.341Nc1ncnc2n(cnc12)[C@@H]3O[C@H](CO[P@](O)(=O)O[P@@](O)(=O)O[P](O)(O)=O)[C@@H](O)[C@H]3O
FormulaC10 H16 N5 O13 P3
NameADENOSINE-5'-TRIPHOSPHATE
ChEMBLCHEMBL14249
DrugBankDB00171
ZINCZINC000004261765
PDB chain5etn Chain A Residue 205 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

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PDB5etn Structural Basis for the Selective Binding of Inhibitors to 6-Hydroxymethyl-7,8-dihydropterin Pyrophosphokinase from Staphylococcus aureus and Escherichia coli.
Resolution1.4 Å
Binding residue
(original residue number in PDB)		Q74 R82 R84 W89 R92 D95 D97 I98 R110 L111 T112 H115 Y116 R121
Binding residue
(residue number reindexed from 1)		Q75 R83 R85 W90 R93 D96 D98 I99 R111 L112 T113 H116 Y117 R122
Annotation score5
Enzymatic activity
Catalytic site (original residue number in PDB) R82 R92 D95 D97
Catalytic site (residue number reindexed from 1) R83 R93 D96 D98
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:5etn, PDBe:5etn, PDBj:5etn
PDBsum5etn
PubMed27094768
UniProtP26281|HPPK_ECOLI 2-amino-4-hydroxy-6-hydroxymethyldihydropteridine pyrophosphokinase (Gene Name=folK)

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