5jy7

X-ray diffraction
3.6Å resolution

Complex of Mycobacterium smegmatis trehalose synthase with maltokinase

Released:

Function and Biology Details

Reactions catalysed:
Endohydrolysis of (1->4)-alpha-D-glucosidic linkages in polysaccharides containing three or more (1->4)-alpha-linked D-glucose units
Maltose = alpha,alpha-trehalose
ATP + maltose = ADP + alpha-maltose 1-phosphate
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero octamer (preferred)
PDBe Complex ID:
PDB-CPX-106488 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Trehalose synthase/amylase TreS Chains: A, B, C, D, E, F, G, H
Molecule details ›
Chains: A, B, C, D, E, F, G, H
Length: 593 amino acids
Theoretical weight: 68.27 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: A0R6E0 (Residues: 1-593; Coverage: 100%)
Gene names: MSMEG_6515, MSMEI_6343, treS
Sequence domains:
Structure domains:
Maltokinase Chains: I, J, K, L, M, N, O, P
Molecule details ›
Chains: I, J, K, L, M, N, O, P
Length: 441 amino acids
Theoretical weight: 48.85 KDa
Source organism: Mycolicibacterium smegmatis MC2 155
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: A0R6D9 (Residues: 1-441; Coverage: 100%)
Gene names: MSMEG_6514, MSMEI_6342, mak, pep2
Sequence domains: Maltokinase N-terminal cap domain
Structure domains: Aminoglycoside 3'-phosphotransferase; Chain: A, domain 2

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID29
Spacegroup: P43
Unit cell:
a: 315.68Å b: 315.68Å c: 124.95Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.262 0.261 0.281
Expression system: Escherichia coli BL21(DE3)