Structure of PDB 5cnp Chain B Binding Site BS01

Receptor Information

>5cnp Chain B (length=171) Species: 243277 (Vibrio cholerae O1 biovar El Tor str. N16961)

NSQLTLRALERGDLRFIHNLNNNRNIMSYWFEEPYESFDELEELYNKHIH
DNAERRFVVEDAQKNLIGLVELIEINYIHRSAEFQIIIAPEHQGKGFART
LINRALDYSFTILNLHKIYLHVAVENPKAVHLYEECGFVEEGHLVEEFFI
NGRYQDVKRMYILQSKYLNRS

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: 5cnp Chain B Residue 201

Receptor-Ligand Complex Structure

Structure summary

• PDB: 5cnp Substrate-Induced Allosteric Change in the Quaternary Structure of the Spermidine N-Acetyltransferase SpeG.
• Resolution: 2.38 Å
• Binding residue (original residue number in PDB): E33 E75
• Binding residue (residue number reindexed from 1): E32 E74
• Annotation score: 1

Enzymatic activity

• Enzyme Commision number: 2.3.1.57: diamine N-acetyltransferase.

Gene Ontology

Molecular Function

• GO:0000287 magnesium ion binding
• GO:0004145 diamine N-acetyltransferase activity
• GO:0016746 acyltransferase activity
• GO:0016747 acyltransferase activity, transferring groups other than amino-acyl groups
• GO:0046872 metal ion binding

Biological Process

• GO:0006598 polyamine catabolic process
• GO:0046203 spermidine catabolic process
• GO:0046208 spermine catabolic process

Cellular Component

• GO:0005737 cytoplasm

External links

• PDB: RCSB:5cnp, PDBe:5cnp, PDBj:5cnp
• PDBsum: 5cnp
• PubMed: 26410587
• UniProt: Q9KL03|ATDA_VIBCH Spermidine N(1)-acetyltransferase (Gene Name=speG)