Cleaves the glycosidic bonds of gellan backbone and releases tetrasaccharide units of glucuronyl-glucosyl-rhamnosyl-glucose with unsaturated glucuronic acid at the non-reducing terminal. The enzyme is highly specific to the heteropolysaccharide gellan. Source: Recombinant protein corresponding to aa1-204 from Geobacillus stearothermophilus Gellan lyase, fused to 6X His-Tag at N-terminal, expressed in E.coli. Molecular Weight: ~24.5kD Amino Acid Sequence: LVSESNPGRAIPAGGKGATIRAARPGLATTLNGPKAGNGTTGATKLTTPARPLSEGANMMCDHRAGGNAAISGSSVGEGTARAGDSKVMSRMLSPKGSIIAGTVNMMPADIAAGSVRTPSSLPPDGRSATPMSVSEVASDISHKDGSVNVTKDPVTAAGLTAMRKNANKGSPPASPLPLKADNKGVHINKHWVDLKNDNDFNTR Storage and Stability: Lyophilized and reconstituted products are stable for 6 months after receipt at -20C. Reconstitute with sterile ddH2O. Aliquot to avoid repeated freezing and thawing. Store at -20C. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap. Further dilutions can be made in assay buffer.
Supplied as a lyophilized powder from 20mM Tris-HCl, 0.5M sodium chloride, pH 8.0, 6% trehalose. Reconstitute with sterile ddH2O to a concentration of 0.1-1mg/ml.
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