› 6y8j

X-ray diffraction
2.05Å resolution

Crystal structure of the apo form of a quaternary ammonium Rieske monooxygenase CntA

Released:
DOI: 10.2210/pdb6y8j/pdb
PDB entry 6y8j coloured by chain, front view.
PDB entry 6y8j coloured by chain, side view.
PDB entry 6y8j coloured by chain, top view.
Source organism: Acinetobacter baumannii
Primary publication:
Structural basis of carnitine monooxygenase CntA substrate specificity, inhibition, and intersubunit electron transfer.
Quareshy M, Shanmugam M, Townsend E, Jameson E, Bugg TDH, Cameron AD, Chen Y
OpenAccess logo J Biol Chem 296 100038
PMID: 33158989

Function and Biology Details

Reaction catalysed: 
L-carnitine + NAD(P)H + O(2) = (3R)-3-hydroxy-4-oxobutanoate + trimethylamine + NAD(P)(+) + H(2)O
Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
homo trimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-100289 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Carnitine monooxygenase oxygenase subunit Chain: A
Molecule details ›
Chain: A
Length: 391 amino acids
Theoretical weight: 44.78 KDa
Source organism: Acinetobacter baumannii
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: A0A059ZPP5 (Residues: 1-371; Coverage: 100%)
Gene names: A6Y97_16710, A7M90_13970, ABR2091_0831, ABUW_3074, APD33_10135, AUO97_11470, B9W25_17010, B9X95_06095, CBE85_08735, CV954_015695, CV955_0015560, DOL94_04925, EA686_01565, EA706_03020, EA722_03860, EWP49_15025, F2P40_07455, F4T85_18295, FJU36_15000, FJU42_16200, FQZ15_14650, FR761_05425, G3N53_18110, GNY86_10185, GSE42_04835, H0529_11395, IAG11_14440, IHV20_16605, IMO23_04090, J6E47_15285, JHZ39_000628, LV35_02125, MKP18_003675, MKP18_003722, NCTC13305_01609, P9867_06820, SAMEA104305340_01653, SAMEA4394745_02650, antA, antA_2, antA_3, cntA
Sequence domains:

Ligands and Environments

1 bound ligand:
Ligand FES 1 x FES
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: DIAMOND BEAMLINE I24
Spacegroup: P63
Unit cell:
a: 91.6Å b: 91.6Å c: 82.96Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.204 0.201 0.248
Expression system: Escherichia coli BL21(DE3)

Quick links

Citations

3 review citations

Trimethylamine-N-Oxide Pathway: A Potential Target for the Treatment of MAFLD.
Li et al. (2021)
2 more

2 mentions without citation

Structural basis of carnitine monooxygenase CntA substrate specificity, inhibition, and intersubunit electron transfer.
Quareshy et al. (2021)
1 more