1h49

X-ray diffraction
1.9Å resolution

CRYSTAL STRUCTURE OF THE INACTIVE DOUBLE MUTANT OF THE MAIZE BETA-GLUCOSIDASE ZMGLU1-E191D-F198V IN COMPLEX WITH DIMBOA-GLUCOSIDE

Released:

Function and Biology Details

Reactions catalysed:
(2R)-4-hydroxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl beta-D-glucopyranoside + H(2)O = 2,4-dihydroxy-2H-1,4-benzoxazin-3(4H)-one + D-glucose
Hydrolysis of terminal, non-reducing beta-D-glucosyl residues with release of beta-D-glucose
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-155898 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
4-hydroxy-7-methoxy-3-oxo-3,4-dihydro-2H-1,4-benzoxazin-2-yl glucoside beta-D-glucosidase 1, chloroplastic Chains: A, B
Molecule details ›
Chains: A, B
Length: 512 amino acids
Theoretical weight: 58.41 KDa
Source organism: Zea mays
Expression system: Escherichia coli
UniProt:
  • Canonical: P49235 (Residues: 55-566; Coverage: 91%)
Gene name: GLU1
Sequence domains: Glycosyl hydrolase family 1
Structure domains: Glycosidases

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-4
Spacegroup: P21
Unit cell:
a: 58.145Å b: 114.088Å c: 80.126Å
α: 90° β: 93.88° γ: 90°
R-values:
R R work R free
0.185 0.184 0.221
Expression system: Escherichia coli