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chondroitin B lyase
Cat No.
EXWM-5094
Description
This is the only lyase that is known to be specific for dermatan sulfate as substrate. The minimum substrate length required for catalysis is a tetrasaccharide. In general, chondroitin sulfate (CS) and dermatan sulfate (DS) chains comprise a linkage region, a chain cap and a repeat region. The repeat region of CS is a repeating disaccharide of glucuronic acid (GlcA) and N-acetylgalactosamine (GalNAc) [-4)GlcA(β1-3)GalNAc(β1-]n, which may be O-sulfated on the C-4 and/or C-6 of GalNAc and C-2 of GlcA. GlcA residues of CS may be epimerized to iduronic acid (IdoA) forming the repeating disaccharide [-4)IdoA(α1-3)GalNAc(β1-]n of DS. Both the concentrations and locations of sulfate-ester substituents vary with glucosaminoglycansource.
Form
Liquid or lyophilized powder
Enzyme Commission Number
CAS No.
52227-83-5
Storage
Store it at +4 ºC for short term. For long term storage, store it at -20 ºC～-80 ºC.
Synonyms
chondroitinase B; ChonB; ChnB
Reaction
Eliminative cleavage of dermatan sulfate containing (1→4)-β-D-hexosaminyl and (1→3)-β-D-glucurosonyl or (1→3)-α-L-iduronosyl linkages to disaccharides containing 4-deoxy-β-D-gluc-4-enuronosyl groups to yield a 4,5-unsaturated dermatan-sulfate disaccharide (ΔUA-GalNAc-4S).
Notes
This item requires custom production and lead time is between 5-9 weeks. We can custom produce according to your specifications.
Download
Download Datasheet| Catalog | Product Name | EC No. | CAS No. | Source | Price |
|---|---|---|---|---|---|
| NATE-1950 | Native Flavobacterium heparinum Chondroitinase B | EC 4.2.2.19 | 52227-83-5 | Flavobacterium heparinum | Inquiry |
| NATE-0130 | Chondroitinase B from Flavobacterium heparinum, Recombinant | EC 4.2.2.19 | 52227-83-5 | Flavobacterium heparinum | Inquiry |