2rer

X-ray diffraction
1.9Å resolution

Crystal structure of the aromatase/cyclase domain of TcmN from Streptomyces glaucescens

Released:

Function and Biology Details

Reaction catalysed:
10 malonyl-CoA = tetracenomycin F2 + 10 CoA + 10 CO(2) + 2 H(2)O
Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-147763 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Tetracenomycin biosynthesis bifunctional cyclase/O-methyl transferase TcmN Chain: A
Molecule details ›
Chain: A
Length: 173 amino acids
Theoretical weight: 19.94 KDa
Source organism: Streptomyces glaucescens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P16559 (Residues: 1-170; Coverage: 34%)
Gene name: tcmN
Sequence domains: Polyketide cyclase / dehydrase and lipid transport
Structure domains: Alpha-D-Glucose-1,6-Bisphosphate; Chain A, domain 4

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 5.0.2
Spacegroup: C2221
Unit cell:
a: 69.66Å b: 105.126Å c: 50.259Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.215 0.215 0.249
Expression system: Escherichia coli BL21(DE3)