Structure of PDB 1rao Chain A Binding Site BS02

Receptor Information
>1rao Chain A (length=158) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
TVAYIAIGSNLASPLEQVNAALKALGDIPESHILTVSSFYRTPPLGPQDQ
PDYLNAAVALETSLAPEELLNHTQRIELQQGRVRKAERWGPRTLDLDIML
FGNEVINTERLTVPHYDMKNRGFMLWPLFEIAPELVFPDGEMLRQILHTR
AFDKLNKW
Ligand information
Ligand IDHH2
InChIInChI=1S/C7H9N5O8P2/c8-7-11-5-4(6(13)12-7)10-3(1-9-5)2-19-22(17,18)20-21(14,15)16/h1H,2H2,(H,17,18)(H2,14,15,16)(H3,8,9,11,12,13)
InChIKeyAMDUVUKDRBIVAH-UHFFFAOYSA-N
SMILES
SoftwareSMILES
ACDLabs 10.04O=P(O)(O)OP(=O)(O)OCc1nc2C(=O)NC(=Nc2nc1)N
CACTVS 3.341NC1=Nc2ncc(CO[P](O)(=O)O[P](O)(O)=O)nc2C(=O)N1
CACTVS 3.341NC1=Nc2ncc(CO[P@@](O)(=O)O[P](O)(O)=O)nc2C(=O)N1
OpenEye OEToolkits 1.5.0c1c(nc2c(n1)N=C(NC2=O)N)COP(=O)(O)OP(=O)(O)O
OpenEye OEToolkits 1.5.0c1c(nc2c(n1)N=C(NC2=O)N)CO[P@](=O)(O)OP(=O)(O)O
FormulaC7 H9 N5 O8 P2
Name6-HYDROXYMETHYLPTERIN-DIPHOSPHATE;
[PTERIN-6-YL METHANYL]-PHOSPHONOPHOSPHATE
ChEMBL
DrugBankDB04047
ZINCZINC000012504112
PDB chain1rao Chain A Residue 181 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB1rao Reaction trajectory of pyrophosphoryl transfer catalyzed by 6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase.
Resolution1.56 Å
Binding residue
(original residue number in PDB)		T42 P43 L45 Y53 N55 Y116 R121 F123
Binding residue
(residue number reindexed from 1)		T42 P43 L45 Y53 N55 Y116 R121 F123
Annotation score2
Enzymatic activity
Catalytic site (original residue number in PDB) R82 R92 D95 D97
Catalytic site (residue number reindexed from 1) R82 R92 D95 D97
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:1rao, PDBe:1rao, PDBj:1rao
PDBsum1rao
PubMed15016362
UniProtP26281|HPPK_ECOLI 2-amino-4-hydroxy-6-hydroxymethyldihydropteridine pyrophosphokinase (Gene Name=folK)

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