3.2.1.162: lambda-carrageenase

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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

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

3 Hydrolases

3.2 Glycosylases

3.2.1 Glycosidases, i.e. enzymes that hydrolyse O- and S-glycosyl compounds

3.2.1.162 lambda-carrageenase

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Results	in table
20	AA Sequence
1	Application
1	CAS Registry Number
6	Cloned(Commentary)
4	General Information
2	General Stability
9	Inhibitors
3	Localization
9	Metals/Ions
9	Molecular Weight [Da]
8	Natural Substrates/ Products (Substrates)
13	Organism
1	Pathway
6	pH Optimum
1	pH Range
2	pH Stability
1	Protein Variants
6	Purification (Commentary)
3	Reaction
11	Reference
3	Source Tissue
2	Specific Activity [micromol/min/mg]
17	Substrates and Products (Substrate)
5	Subunits
17	Synonyms
5	Temperature Optimum [°C]
1	Temperature Range [°C]
6	Temperature Stability [°C]

Natural Substrates Products

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Natural Substrates Products on EC 3.2.1.162 - lambda-carrageenase

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delta-carrageenan + H2O

neo-delta-carrabiose + ?

2 entries

lambda-carrageenan + H2O

3 entries

lambda-carrageenan + H2O

neo-lambda-carratetraose + neo-lambda-carrahexaose

2 entries

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

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