› 4elx

X-ray diffraction
2.19Å resolution

Structure of apo E.coli. 1,4-dihydroxy-2- naphthoyl CoA synthases with Cl

Released:
DOI: 10.2210/pdb4elx/pdb
PDB entry 4elx coloured by chain, front view.
PDB entry 4elx coloured by chain, side view.
PDB entry 4elx coloured by chain, top view.
Source organism: Escherichia coli K-12
Primary publication:
Active site binding and catalytic role of bicarbonate in 1,4-dihydroxy-2-naphthoyl coenzyme A synthases from vitamin K biosynthetic pathways.
Sun Y, Song H, Li J, Jiang M, Li Y, Zhou J, Guo Z
Biochemistry 51 4580-9 (2012)
PMID: 22606952

Function and Biology Details

Reaction catalysed: 
4-(2-carboxyphenyl)-4-oxobutanoyl-CoA = 1,4-dihydroxy-2-naphthoyl-CoA + H(2)O
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assembly composition:
homo hexamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-142210 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
1,4-dihydroxy-2-naphthoyl-CoA synthase Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 285 amino acids
Theoretical weight: 31.67 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
UniProt:
  • Canonical: P0ABU0 (Residues: 1-285; Coverage: 100%)
Gene names: JW2257, b2262, menB
Sequence domains: Enoyl-CoA hydratase/isomerase
Structure domains:

Ligands and Environments

5 bound ligands:
Ligand GOL 7 x GOL
Ligand CL 6 x CL
Ligand PEG 3 x PEG
Ligand EDO 2 x EDO
Ligand PO4 1 x PO4
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U
Spacegroup: P212121
Unit cell:
a: 76.47Å b: 133.878Å c: 153.929Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.17 0.167 0.227
Expression system: Escherichia coli

Quick links

Citations

7 citation in other articles

Increased Biosynthetic Gene Dosage in a Genome-Reduced Defensive Bacterial Symbiont.
Lopera et al. (2017)
6 more

1 mention without citation

Structural basis of the induced-fit mechanism of 1,4-dihydroxy-2-naphthoyl coenzyme A synthase from the crotonase fold superfamily.
Sun et al. (2013)