› 7ehi

X-ray diffraction
1.69Å resolution

Crystal structure of covalent maltosyl-alpha-glucosidase intermediate

Released:
DOI: 10.2210/pdb7ehi/pdb
PDB entry 7ehi coloured by chain, front view.
PDB entry 7ehi coloured by chain, side view.
PDB entry 7ehi coloured by chain, top view.
Source organism: Weissella cibaria
Primary publication:
A GH13 α-glucosidase from Weissella cibaria uncommonly acts on short-chain maltooligosaccharides.
Wangpaiboon K, Laohawuttichai P, Kim SY, Mori T, Nakapong S, Pichyangkura R, Pongsawasdi P, Hakoshima T, Krusong K
Acta Crystallogr D Struct Biol 77 1064-1076 (2021)
PMID: 34342279

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-168222 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (2 distinct):
alpha glucosidase Chain: A
Molecule details ›
Chain: A
Length: 589 amino acids
Theoretical weight: 68.4 KDa
Source organism: Weissella cibaria
Expression system: Escherichia coli BL21(DE3)

Ligands and Environments

Carbohydrate polymer : NEW Components: GLC
Carbohydrate polymer
4 bound ligands:
Ligand MES 2 x MES
Ligand GOL 2 x GOL
Ligand CA 1 x CA
Ligand SO4 7 x SO4
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSRRC BEAMLINE BL13B1
Spacegroup: P4122
Unit cell:
a: 116.566Å b: 116.566Å c: 107.181Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.152 0.151 0.177
Expression system: Escherichia coli BL21(DE3)

Quick links

Citations

5 citation in other articles

Structure and Function Insight of the α-Glucosidase QsGH13 From Qipengyuania seohaensis sp. SW-135.
Zhai et al. (2022)
4 more