Structure of PDB 5udg Chain E Binding Site BS02

Receptor Information

>5udg Chain E (length=145) Species: 1423 (Bacillus subtilis)

NYLFEYAPDVLESFPNKHVNRDYFVKFNCPEFTSLCPKTGQPDFATIYIS
YIPDEKMVESKSLKLYLFSFRNHGDFHQDCMNIIMNDLIELMDPRYIEVW
GKFTPRGGISIDPYTNYGKPGTKYEKMAEYRMMNHDLYPETIDNR

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: 5udg Chain E Residue 202

Receptor-Ligand Complex Structure

Structure summary

• PDB: 5udg Protection of the Queuosine Biosynthesis Enzyme QueF from Irreversible Oxidation by a Conserved Intramolecular Disulfide.
• Resolution: 2.5 Å
• Binding residue (original residue number in PDB): D73 E74
• Binding residue (residue number reindexed from 1): D54 E55
• Annotation score: 1

Enzymatic activity

• Catalytic site (original residue number in PDB): C55 T58 D62 H96 Q97
• Catalytic site (residue number reindexed from 1): C36 T39 D43 H77 Q78
• Enzyme Commision number: 1.7.1.13: preQ1 synthase.

Gene Ontology

Molecular Function

• GO:0033739 preQ1 synthase activity
• GO:0046857 oxidoreductase activity, acting on other nitrogenous compounds as donors, with NAD or NADP as acceptor

Biological Process

• GO:0008616 queuosine biosynthetic process

Cellular Component

• GO:0005737 cytoplasm

External links

• PDB: RCSB:5udg, PDBe:5udg, PDBj:5udg
• PDBsum: 5udg
• PubMed: 28300774
• UniProt: O31678|QUEF_BACSU NADPH-dependent 7-cyano-7-deazaguanine reductase (Gene Name=queF)