Structure of PDB 1xng Chain A Binding Site BS02

Receptor Information
>1xng Chain A (length=255) Species: 210 (Helicobacter pylori) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
KDYQKLIVYLCDFLEKEVQKRGFKKVVYGLSGGLDSAVVGVLCQKVFKEN
AHALLMPSSVSMPENKTDALNLCEKFSIPYTEYSIAPYDAIFSSHFKDAS
LTRKGNFCARLRMAFLYDYSLKSDSLVIGTSNKSERMLGYGTLFGDLACA
INPIGELFKTEVYELARRLNIPKKILNKPPSADLFVGQSDEKDLGYPYSV
IDPLLKDIEALFQTKPIDTETLAQLGYDEILVKNITSRIQKNAFKLELPA
IAKRF
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 chain1xng Chain A Residue 303 [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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PDB1xng Crystal structure of NH3-dependent NAD+ synthetase from Helicobacter pylori
Resolution1.7 Å
Binding residue
(original residue number in PDB)		G31 L32 S33 G35 L36 D37 S38 M58 R114 T132 K161 S183
Binding residue
(residue number reindexed from 1)		G29 L30 S31 G33 L34 D35 S36 M56 R112 T130 K159 S181
Annotation score5
Enzymatic activity
Catalytic site (original residue number in PDB) D37 E137
Catalytic site (residue number reindexed from 1) D35 E135
Enzyme Commision number 6.3.1.5: NAD(+) synthase.
Gene Ontology
Molecular Function
GO:0003952 NAD+ synthase (glutamine-hydrolyzing) activity
GO:0004359 glutaminase activity
GO:0005524 ATP binding
GO:0008795 NAD+ synthase activity
GO:0016874 ligase activity
GO:0046872 metal ion binding
Biological Process
GO:0009435 NAD biosynthetic process
Cellular Component
GO:0005737 cytoplasm

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1xng, PDBe:1xng, PDBj:1xng
PDBsum1xng
PubMed15645437
UniProtO25096|NADE_HELPY NH(3)-dependent NAD(+) synthetase (Gene Name=nadE)

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