Description
Blood-group-substance endo-1,4-beta-galactosidase (EC 3.2.1.102, endo-beta-galactosidase, blood-group-substance 1,4-beta-D-galactanohydrolase) is an enzyme with systematic name blood-group-substance 4-beta-D-galactanohydrolase.[1][2][3] This enzyme catalyses the following chemical reaction: Endohydrolysis of (1->4)-beta-D-galactosidic linkages in blood group A and B substances. Hydrolyses the 1,4-beta-D-galactosyl linkages adjacent to a 1,3-alpha-D-galactosyl or N-acetylgalactosaminyl residues and a 1,2-alpha-D-fucosyl residue.
Abbr
Blood-group endo-β-galactosidase 98A, Recombinant (Streptococcus pneumoniae)
Species
Streptococcus pneumoniae
Form
35 mM NaHepes buffer, pH 7.5, 750 mM NaCl, 200 mM imidazol, 3.5 mM CaCl2, 0.02% sodium azide and 25% (v/v) glycerol
Enzyme Commission Number
EC 3.2.1.102
Molecular Weight
69.7 kDa
Specificity
Blood group A/B antigens
Optimum temperature
37 °C
Storage
This enzyme is shipped at room temperature but should be stored at -20 °C.
Synonyms
Blood-group-substance endo-1,4-beta-galactosidase; EC 3.2.1.102; endo-beta-galactosidase; blood-group-substance 1,4-beta-D-galactanohydrolase