4ihf

X-ray diffraction
2.1Å resolution

Chasing Acyl Carrier Protein Through a Catalytic Cycle of Lipid A Production

Released:

Function and Biology Details

Reaction catalysed:
A (3R)-3-hydroxyacyl-[acyl-carrier-protein] + a UDP-3-O-((3R)-hydroxyacyl)-alpha-D-glucosamine = a UDP-2-N,3-O-bis((3R)-3-hydroxyacyl)-alpha-D-glucosamine + a holo-[acyl-carrier-protein]

Structure analysis Details

Assemblies composition:
hetero hexamer (preferred)
hetero dodecamer
PDBe Complex ID:
PDB-CPX-149340 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
UDP-3-O-(3-hydroxymyristoyl)glucosamine N-acyltransferase Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 348 amino acids
Theoretical weight: 36.86 KDa
Source organism: Escherichia coli K-12
Expression system: Escherichia coli
UniProt:
  • Canonical: P21645 (Residues: 3-341; Coverage: 99%)
Gene names: JW0174, b0179, firA, lpxD, omsA
Sequence domains:
Structure domains:
Acyl carrier protein Chains: G, H, I, J, K, L
Molecule details ›
Chains: G, H, I, J, K, L
Length: 80 amino acids
Theoretical weight: 8.87 KDa
Source organism: Escherichia coli str. 'clone D i14'
Expression system: Escherichia coli

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 22-ID
Spacegroup: P1
Unit cell:
a: 84.299Å b: 89.441Å c: 112.251Å
α: 104.06° β: 92.4° γ: 118.47°
R-values:
R R work R free
0.168 0.168 0.216
Expression system: Escherichia coli