Structure of PDB 1lb2 Chain A Binding Site BS03

Receptor Information
>1lb2 Chain A (length=201) Species: 562 (Escherichia coli) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
PTLEWFLSHCHIHKYPSKSTLIHQGEKAETLYYIVKGSVAVLIKDEEGKE
MILSYLNQGDFIGELGLFEEGQERSAWVRAKTACEVAEISYKKFRQLIQV
NPDILMRLSAQMARRLQVTSEKVGNLAFLDVTGRIAQTLLNLAKQPDAMT
HPDGMQIKITRQEIGQIVGCSRETVGRILKMLEDQNLISAHGKTIVVYGT
R
Ligand information
Ligand IDCMP
InChIInChI=1S/C10H12N5O6P/c11-8-5-9(13-2-12-8)15(3-14-5)10-6(16)7-4(20-10)1-19-22(17,18)21-7/h2-4,6-7,10,16H,1H2,(H,17,18)(H2,11,12,13)/t4-,6-,7-,10-/m1/s1
InChIKeyIVOMOUWHDPKRLL-KQYNXXCUSA-N
SMILES
SoftwareSMILES
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)C3C(C4C(O3)COP(=O)(O4)O)O)N
ACDLabs 10.04O=P3(OCC4OC(n1c2ncnc(N)c2nc1)C(O)C4O3)O
OpenEye OEToolkits 1.5.0c1nc(c2c(n1)n(cn2)[C@H]3[C@@H]([C@H]4[C@H](O3)CO[P@](=O)(O4)O)O)N
CACTVS 3.341Nc1ncnc2n(cnc12)[CH]3O[CH]4CO[P](O)(=O)O[CH]4[CH]3O
CACTVS 3.341Nc1ncnc2n(cnc12)[C@@H]3O[C@@H]4CO[P@](O)(=O)O[C@H]4[C@H]3O
FormulaC10 H12 N5 O6 P
NameADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE;
CYCLIC AMP;
CAMP
ChEMBLCHEMBL316966
DrugBankDB02527
ZINCZINC000003873977
PDB chain1lb2 Chain A Residue 679 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
Global viewLocal viewStructure summary

[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
[Spin on] [Spin off] [Reset]
[High quality] [Low quality]
[White background] [Black background]
PDB1lb2 Structural basis of transcription activation: the CAP-alpha CTD-DNA complex.
Resolution3.1 Å
Binding residue
(original residue number in PDB)		V49 L61 I70 G71 E72 L73 R82 S83 A84 T127
Binding residue
(residue number reindexed from 1)		V41 L53 I62 G63 E64 L65 R74 S75 A76 T119
Annotation score4
Enzymatic activity
Enzyme Commision number ?
Gene Ontology
Molecular Function
GO:0003677 DNA binding
GO:0003680 minor groove of adenine-thymine-rich DNA binding
GO:0003700 DNA-binding transcription factor activity
GO:0005515 protein binding
GO:0008301 DNA binding, bending
GO:0030552 cAMP binding
GO:0042802 identical protein binding
GO:0043565 sequence-specific DNA binding
Biological Process
GO:0006351 DNA-templated transcription
GO:0006355 regulation of DNA-templated transcription
GO:0045013 carbon catabolite repression of transcription
GO:0045892 negative regulation of DNA-templated transcription
GO:0045893 positive regulation of DNA-templated transcription
Cellular Component
GO:0005829 cytosol
GO:0032993 protein-DNA complex

View graph for
Molecular Function
View graph for
Biological Process
View graph for
Cellular Component
External links
PDB RCSB:1lb2, PDBe:1lb2, PDBj:1lb2
PDBsum1lb2
PubMed12202833
UniProtP0ACJ8|CRP_ECOLI DNA-binding transcriptional dual regulator CRP (Gene Name=crp)

[Back to BioLiP]