› 6np4

X-ray diffraction
1.15Å resolution

AAC-VIa bound to Tobramycin

Released:
DOI: 10.2210/pdb6np4/pdb
PDB entry 6np4 coloured by chain, front view.
PDB entry 6np4 coloured by chain, side view.
PDB entry 6np4 coloured by chain, top view.
Source organism: Enterobacter cloacae
Primary publication:
Low-Barrier and Canonical Hydrogen Bonds Modulate Activity and Specificity of a Catalytic Triad.
Kumar P, Agarwal PK, Waddell MB, Mittag T, Serpersu EH, Cuneo MJ
Angew Chem Int Ed Engl 58 16260-16266 (2019)
PMID: 31515870

Function and Biology Details

Reaction catalysed: 
Acetyl-CoA + a 2-deoxystreptamine antibiotic = CoA + N(3)-acetyl-2-deoxystreptamine antibiotic
Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-175208 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Aminoglycoside N(3)-acetyltransferase Chain: A
Molecule details ›
Chain: A
Length: 268 amino acids
Theoretical weight: 28.73 KDa
Source organism: Enterobacter cloacae
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q47030 (Residues: 19-286; Coverage: 90%)
Gene name: aac 3-VI
Sequence domains: Aminoglycoside 3-N-acetyltransferase

Ligands and Environments

2 bound ligands:
Ligand TOY 1 x TOY
Ligand MG 1 x MG
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 23-ID-D
Spacegroup: C2
Unit cell:
a: 87.642Å b: 86.157Å c: 50.241Å
α: 90° β: 119.72° γ: 90°
R-values:
R R work R free
0.126 0.125 0.139
Expression system: Escherichia coli BL21(DE3)

Quick links

Citations

2 review citations

On the Case of the Misplaced Hydrogens.
Kumar et al. (2021)
1 more