3mje

X-ray diffraction
1.36Å resolution

Structure of A-type Ketoreductases from Modular Polyketide Synthase

Released:

Function and Biology Details

Reaction catalysed:
(3R)-3-hydroxyacyl-[acyl-carrier-protein] + NADP(+) = 3-oxoacyl-[acyl-carrier-protein] + NADPH
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-188105 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
AmphB Chains: A, B
Molecule details ›
Chains: A, B
Length: 496 amino acids
Theoretical weight: 51.42 KDa
Source organism: Streptomyces nodosus
Expression system: Escherichia coli
UniProt:
  • Canonical: Q93NW7 (Residues: 2529-3003; Coverage: 15%)
Gene name: amphB
Sequence domains: KR domain
Structure domains: NAD(P)-binding Rossmann-like Domain

Ligands and Environments


Cofactor: Ligand NDP 2 x NDP
1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 8.3.1
Spacegroup: P1
Unit cell:
a: 61.654Å b: 63.762Å c: 71.744Å
α: 72.99° β: 67.21° γ: 89.79°
R-values:
R R work R free
0.203 0.202 0.225
Expression system: Escherichia coli