Structure of PDB 2xbp Chain A Binding Site BS01

Receptor Information
>2xbp Chain A (length=113) Species: 1140 (Synechococcus elongatus PCC 7942 = FACHB-805) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
MKKIEAIIRPFKLDEVKIALVNAGIVGMTVSEVRGFGRQKGQTERYRGSE
YTVEFLQKLKLEIVVEDAQVDTVIDKIVAAARTGENGDGKIFVSPVDQTI
RIRTGEKNADAIS
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 chain2xbp Chain A Residue 1114 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB2xbp A Novel Signal Transduction Protein P(II) Variant from Synechococcus Elongatus Pcc 7942 Indicates a Two-Step Process for Nagk- P(II) Complex Formation.
Resolution1.2 Å
Binding residue
(original residue number in PDB)		G27 M28 T29 V64 R101 R103
Binding residue
(residue number reindexed from 1)		G27 M28 T29 V64 R101 R103
Annotation score4
Binding affinityMOAD: Kd=9.6uM
PDBbind-CN: -logKd/Ki=5.02,Kd=9.6uM
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0005515 protein binding
GO:0005524 ATP binding
GO:0030234 enzyme regulator activity
GO:0042802 identical protein binding
Biological Process
GO:0006808 regulation of nitrogen utilization
Cellular Component
GO:0005829 cytosol

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:2xbp, PDBe:2xbp, PDBj:2xbp
PDBsum2xbp
PubMed20399792
UniProtP0A3F4|GLNB_SYNE7 Nitrogen regulatory protein P-II (Gene Name=glnB)

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