6kxf

X-ray diffraction
1.98Å resolution

The ishigamide ketosynthase/chain length factor

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-103890 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Ketosynthase family 3 (KS3) domain-containing protein Chain: A
Molecule details ›
Chain: A
Length: 409 amino acids
Theoretical weight: 42.75 KDa
Source organism: Streptomyces sp. MSC090213JE08
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: A0A1Y1BW67 (Residues: 1-409; Coverage: 100%)
Gene name: iga11
Sequence domains:
Beta-ketoacyl synthase N-terminal domain-containing protein Chain: B
Molecule details ›
Chain: B
Length: 378 amino acids
Theoretical weight: 38.55 KDa
Source organism: Streptomyces sp. MSC090213JE08
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: A0A1Y1BW66 (Residues: 1-378; Coverage: 100%)
Gene name: iga12
Sequence domains: Beta-ketoacyl synthase, N-terminal domain
Carrier domain-containing protein Chain: C
Molecule details ›
Chain: C
Length: 83 amino acids
Theoretical weight: 9.11 KDa
Source organism: Streptomyces sp. MSC090213JE08
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: A0A1Y1BWQ0 (Residues: 1-83; Coverage: 100%)
Gene name: iga10
Sequence domains: Phosphopantetheine attachment site

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PHOTON FACTORY BEAMLINE BL-1A
Spacegroup: P212121
Unit cell:
a: 79.872Å b: 104.411Å c: 114.706Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.182 0.179 0.229
Expression system: Escherichia coli BL21(DE3)