Structure of PDB 4m5n Chain B Binding Site BS03

Receptor Information
>4m5n Chain B (length=160) Species: 83333 (Escherichia coli K-12) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
HMTVAYIAIGSNLASPLEQVNAALKALGDIPESHILTVSSFYRTPPLGPQ
DQPDYLNAAVALETSLAPEELLNHTQRIELQQGRVRKAERWGPRTLDLDI
MLFGNEVINTERLTVPHYDMKNRGFMLWPLFEIAPELVFPDGEMLRQILH
TRAFDKLNKW
Ligand information
Ligand IDAPC
InChIInChI=1S/C11H18N5O12P3/c12-9-6-10(14-2-13-9)16(3-15-6)11-8(18)7(17)5(27-11)1-26-29(19,20)4-30(21,22)28-31(23,24)25/h2-3,5,7-8,11,17-18H,1,4H2,(H,19,20)(H,21,22)(H2,12,13,14)(H2,23,24,25)/t5-,7-,8-,11-/m1/s1
InChIKeyCAWZRIXWFRFUQB-IOSLPCCCSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@@H]([C@H](O3)CO[P@@](=O)(C[P@](=O)(O)OP(=O)(O)O)O)O)O)N
CACTVS 3.341Nc1ncnc2n(cnc12)[C@@H]3O[C@H](CO[P@@](O)(=O)C[P@@](O)(=O)O[P](O)(O)=O)[C@@H](O)[C@H]3O
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)C3C(C(C(O3)COP(=O)(CP(=O)(O)OP(=O)(O)O)O)O)O)N
ACDLabs 10.04O=P(O)(O)OP(=O)(O)CP(=O)(O)OCC3OC(n2cnc1c(ncnc12)N)C(O)C3O
CACTVS 3.341Nc1ncnc2n(cnc12)[CH]3O[CH](CO[P](O)(=O)C[P](O)(=O)O[P](O)(O)=O)[CH](O)[CH]3O
FormulaC11 H18 N5 O12 P3
NameDIPHOSPHOMETHYLPHOSPHONIC ACID ADENOSYL ESTER;
ALPHA,BETA-METHYLENEADENOSINE-5'-TRIPHOSPHATE
ChEMBLCHEMBL132722
DrugBankDB02596
ZINCZINC000008295117
PDB chain4m5n Chain B Residue 203 [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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PDB4m5n The identification, analysis and structure-based development of novel inhibitors of 6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase.
Resolution2.0 Å
Binding residue
(original residue number in PDB)		Q74 R82 R88 R92 D95 D97 I98 R110 L111 T112 H115 Y116 R121
Binding residue
(residue number reindexed from 1)		Q76 R84 R90 R94 D97 D99 I100 R112 L113 T114 H117 Y118 R123
Annotation score3
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:4m5n, PDBe:4m5n, PDBj:4m5n
PDBsum4m5n
PubMed24613625
UniProtP26281|HPPK_ECOLI 2-amino-4-hydroxy-6-hydroxymethyldihydropteridine pyrophosphokinase (Gene Name=folK)

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