4pf0

X-ray diffraction
1.75Å resolution

Structure of the E502A variant of sacteLam55A from Streptomyces sp. SirexAA-E in complex with laminarihexaose

Released:

Function and Biology Details

Reaction catalysed:
Successive hydrolysis of beta-D-glucose units from the non-reducing ends of (1->3)-beta-D-glucans, releasing alpha-glucose
Biological process:
Cellular component:
Sequence domain:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-124265 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecules (3 distinct):
Exo-beta-1,3-glucanase Chains: A, B
Molecule details ›
Chains: A, B
Length: 561 amino acids
Theoretical weight: 60.07 KDa
Source organism: Streptomyces sp. SirexAA-E
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: G2NFJ9 (Residues: 46-605; Coverage: 100%)
Gene name: SACTE_4363

Ligands and Environments

Carbohydrate polymer : NEW Components: BGC
Carbohydrate polymer : NEW Components: BGC
1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 21-ID-G
Spacegroup: P21
Unit cell:
a: 54.098Å b: 100.96Å c: 104.176Å
α: 90° β: 91.09° γ: 90°
R-values:
R R work R free
0.152 0.151 0.182
Expression system: Escherichia coli BL21(DE3)