3.2.1.162: lambda-carrageenase
This is an abbreviated version!
For detailed information about lambda-carrageenase, go to the full flat file.
Word Map on EC 3.2.1.162
-
3.2.1.162
-
pseudoalteromonas
-
lambda-carrageenan
-
uracil
-
tetrasaccharide
-
glycosylase
-
carrageenovora
-
oligosaccharide
-
cytomegalovirus
-
agriculture
- 3.2.1.162
- pseudoalteromonas
- lambda-carrageenan
- uracil
-
tetrasaccharide
-
glycosylase
- carrageenovora
- oligosaccharide
-
cytomegalovirus
- agriculture
Reaction
Endohydrolysis of (1->4)-beta-linkages in the backbone of lambda-carrageenan, resulting in the tetrasaccharide alpha-D-Gal-p2,6S2-(1->3)-beta-D-Gal-p2S-(1->4)-alpha-D-Gal-p2,6S2-(1->3)-D-Gal-p2-S =
Synonyms
Cga-L50, CglA, CglA hydrolase, CglCL19, Cglp, CglPc, delta-carrageenase, endo-beta-1,4-carrageenose 2,6,2'-trisulfate-hydrolase, endo-type delta-carrageenase
ECTree
Advanced search results
Substrates Products
Substrates Products on EC 3.2.1.162 - lambda-carrageenase
Please wait a moment until all data is loaded. This message will disappear when all data is loaded.
REACTION DIAGRAM
lambda-carrageenan + H2O
alpha-D-Galp2,6S2-(1-3)-beta-D-Galp2S-(1-4)-alpha-D-Galp2,6S2-(1-3)-D-Galp2S + ?
-
-
-
?
lambda-carrageenan + H2O
neo-carrabiose oligosaccharides
-
-
-
-
?
additional information
?
-
Bacillus sp. Lc50-1
-
kappa-, iota- and lambda-carrageenase display strict specificity for their substrates, namely kappa-, iota- and lambda-carrageenans, respectively. The enzymes discriminate the substrate probably by recognizing the sulfation pattern of the digalactose reapeting unit of the polysaccharide. lambda-Carrageenas present conserved arginine residues in the catalytic site which are believed to interact with carrageenans in which both sugar residues in the disaccharide units are negatively charged
-
-
?
neo-delta-carrabiose + ?
-
Cga-L50 is an endo-type delta-carrageenase that hydrolyzes beta-1,4-linkages of kappa-carrageenan, yielding neo-delta-carrabiose as the main product
-
-
?
delta-carrageenan + H2O
neo-delta-carrabiose + ?
Bacillus sp. (in: Bacteria) Lc50-1
-
Cga-L50 is an endo-type delta-carrageenase that hydrolyzes beta-1,4-linkages of kappa-carrageenan, yielding neo-delta-carrabiose as the main product
-
-
?
lambda-carrageenan + H2O
?
products are NL2, NL4
-
-
?
neo-lambda-carratetraose + neo-lambda-carrahexaose
-
main reaction products, after prolonged incubation (22-50 h) increasing ratio of neo-lambda-carratetraose suggesting also the rise of a dimeric product arising from the cleavage of the hexamer
-
?
lambda-carrageenan + H2O
neo-lambda-carratetraose + neo-lambda-carrahexaose
CglA hydrolase proceeds according to an endolytic mode of action and a mechanism of inversion of the anomeric configuration
neo-lambda-carratetraose is the main degradation product
-
?
lambda-carrageenan + H2O
neo-lambda-carratetraose + neo-lambda-carrahexaose
sole known depolymerizing enzyme of lambda-carrageenan, hydrolyses the beta(1-4) linkage of lambda-carrageenan
main reaction products
-
?
lambda-carrageenan + H2O
neo-lambda-carratetraose + neo-lambda-carrahexaose
-
-
main reaction products, after prolonged incubation (22-50 h) increasing ratio of neo-lambda-carratetraose suggesting also the rise of a dimeric product arising from the cleavage of the hexamer
-
?
lambda-carrageenan + H2O
neo-lambda-carratetraose + neo-lambda-carrahexaose
-
sole known depolymerizing enzyme of lambda-carrageenan, hydrolyses the beta(1-4) linkage of lambda-carrageenan
main reaction products
-
?
neo-lambda-carratetraose + neo-lambda-carrabiose
-
-
-
?
neo-lambda-carrahexaose + H2O
neo-lambda-carratetraose + neo-lambda-carrabiose
-
-
-
-
?