PDBe 1cwy

X-ray diffraction
2Å resolution

CRYSTAL STRUCTURE OF AMYLOMALTASE FROM THERMUS AQUATICUS, A GLYCOSYLTRANSFERASE CATALYSING THE PRODUCTION OF LARGE CYCLIC GLUCANS

Released:

Function and Biology Details

Reaction catalysed:
Transfers a segment of a (1->4)-alpha-D-glucan to a new position in an acceptor, which may be glucose or a (1->4)-alpha-D-glucan. 
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
4-alpha-glucanotransferase Chain: A
Molecule details ›
Chain: A
Length: 500 amino acids
Theoretical weight: 57.29 KDa
Source organism: Thermus aquaticus
Expression system: Escherichia coli
UniProt:
  • Canonical: O87172 (Residues: 1-500; Coverage: 100%)
Gene name: malQ
Sequence domains: 4-alpha-glucanotransferase
Structure domains: Glycosidases

Ligands and Environments

No bound ligands

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: EMBL/DESY, HAMBURG BEAMLINE BW7A
Spacegroup: P64
Unit cell:
a: 155.7Å b: 155.7Å c: 64.2Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.19 0.19 0.222
Expression system: Escherichia coli