Structure of PDB 6u7b Chain C Binding Site BS01

Receptor Information

>6u7b Chain C (length=320) Species: 749537 (Escherichia coli MS 115-1)

STEHVDHKTIARFAEDKVNLPKVKADDFREQAKRLQNKLEGYLSDHPDFS
LKRMIPSGSLAKGTALRSLNDIDVAVYISGSDAPQDLRGLLDYLADRLRK
AFPNFSPDQVKPQTYSVTVSFRGSGLDVDIVPVLYSGLPDWRGHLISQED
GSFLETSIPLHLDFIKARKRAAPKHFAQVVRLAKYWARLMKQERPNFRFK
SFMIELILAKLLDNGVDFSNYPEALQAFFSYLVSTELRERIVFEDNYPAS
KIGTLSDLVQIIDPVNPVNNVARLYTQSNVDAIIDAAMDAGDAIDAAFYA
PTKQLTVTYWQKVFGSSFQG

Ligand information

• Ligand ID: MG
• InChI: InChI=1S/Mg/q+2
• InChIKey: JLVVSXFLKOJNIY-UHFFFAOYSA-N
• SMILES:
  ACDLabs 10.04
  OpenEye OEToolkits 1.5.0: [Mg+2]
  CACTVS 3.341: [Mg++]
• Formula: Mg
• Name: MAGNESIUM ION
• DrugBank: DB01378
• PDB chain: 6u7b Chain C Residue 401

Receptor-Ligand Complex Structure

Structure summary

• PDB: 6u7b HORMA Domain Proteins and a Trip13-like ATPase Regulate Bacterial cGAS-like Enzymes to Mediate Bacteriophage Immunity.
• Resolution: 2.09 Å
• Binding residue (original residue number in PDB): D72 D74
• Binding residue (residue number reindexed from 1): D71 D73
• Annotation score: 1

Enzymatic activity

• Enzyme Commision number: 2.7.7.-
  2.7.7.85: diadenylate cyclase.

Gene Ontology

Molecular Function

• GO:0001730 2'-5'-oligoadenylate synthetase activity
• GO:0003725 double-stranded RNA binding
• GO:0005524 ATP binding
• GO:0016779 nucleotidyltransferase activity
• GO:0046872 metal ion binding
• GO:0106408 diadenylate cyclase activity

Biological Process

• GO:0009117 nucleotide metabolic process
• GO:0051607 defense response to virus
• GO:0060700 regulation of ribonuclease activity

Cellular Component

• GO:0005829 cytosol
• GO:0016020 membrane

External links

• PDB: RCSB:6u7b, PDBe:6u7b, PDBj:6u7b
• PDBsum: 6u7b
• PubMed: 31932165
• UniProt: D7Y2H2|CDNC_ECOM1 Cyclic AMP-AMP-AMP synthase (Gene Name=cdnC)