› 1tz7

X-ray diffraction
2.15Å resolution

Aquifex aeolicus amylomaltase

Released:
DOI: 10.2210/pdb1tz7/pdb
PDB entry 1tz7 coloured by chain, front view.
PDB entry 1tz7 coloured by chain, side view.
PDB entry 1tz7 coloured by chain, top view.
Source organism: Aquifex aeolicus
Entry authors: Barends TRM, Korf H, Kaper T, van der Maarel MJEC, Dijkhuizen L, Dijkstra BW

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:
Sequence domains:
Structure domain:

Structure analysis Details

Assemblies composition:
monomeric (preferred)
homo tetramer
Assembly name:
PDBe Complex ID:
PDB-CPX-130398 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
4-alpha-glucanotransferase Chains: A, B
Molecule details ›
Chains: A, B
Length: 505 amino acids
Theoretical weight: 60.32 KDa
Source organism: Aquifex aeolicus
Expression system: Escherichia coli
UniProt:
  • Canonical: O66937 (Residues: 1-485; Coverage: 100%)
Gene names: aq_723, malM, malQ
Sequence domains: 4-alpha-glucanotransferase
Structure domains: Glycosidases

Ligands and Environments

1 bound ligand:
Ligand MPD 1 x MPD
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-1
Spacegroup: P6122
Unit cell:
a: 156.745Å b: 156.745Å c: 169.161Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.216 0.215 0.243
Expression system: Escherichia coli

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