X-ray diffraction
3.25Å resolution

Crystal structure of the integral membrane diacylglycerol kinase DgkA- 9.9, delta 4

Source organism: Escherichia coli K-12
Entry authors: Li D, Aragao D, Pye VE, Caffrey M

Function and Biology Details

Reaction catalysed:
ATP + 1,2-diacyl-sn-glycerol = ADP + 1,2-diacyl-sn-glycerol 3-phosphate
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
homo trimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Diacylglycerol kinase Chains: A, B, C
Molecule details ›
Chains: A, B, C
Length: 130 amino acids
Theoretical weight: 14.24 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
  • Canonical: P0ABN1 (Residues: 2-122; Coverage: 99%)
Gene names: JW4002, b4042, dgk, dgkA
Sequence domains: Prokaryotic diacylglycerol kinase
Structure domains: Helix Hairpins

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 23-ID-B
Spacegroup: P3121
Unit cell:
a: 72.78Å b: 72.78Å c: 199.28Å
α: 90° β: 90° γ: 120°
R R work R free
0.257 0.255 0.292
Expression system: Escherichia coli