3.2.1.124: 3-deoxy-2-octulosonidase

This is an abbreviated version!
For detailed information about 3-deoxy-2-octulosonidase, go to the full flat file.

Reaction

Synonyms

3-deoxy-D-manno-octulosonic acid hydrolase, Hp0580, hydrolase, 2-keto-3-deoxyoctonate, KdhAB, Kdo hydrolase, octulofuranosylono hydrolase, octulopyranosylonohydrolase, octulosylono hydrolase

ECTree

     3 Hydrolases

         3.2 Glycosylases

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

                3.2.1.124 3-deoxy-2-octulosonidase

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Results	in table
1	CAS Registry Number
2	Cloned(Commentary)
6	General Information
1	Natural Substrates/ Products (Substrates)
5	Organism
1	pH Optimum
1	Reaction
1	Reaction Type
5	Reference
7	Substrates and Products (Substrate)
13	Synonyms
1	Systematic Name
2	Temperature Optimum [°C]

Substrates Products

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Substrates Products on EC 3.2.1.124 - 3-deoxy-2-octulosonidase

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SUBSTRATE

PRODUCT                       

REACTION DIAGRAM

ORGANISM

UNIPROT

COMMENTARY
(Substrate)

LITERATURE
(Substrate)

COMMENTARY
(Product)

LITERATURE
(Product)

Reversibility
r=reversible
ir=irreversible
?=not specified

1-dephosphorylated Kdo2-lipid A + H2O

?

Helicobacter pylori

-

-

716260

-

-

?

3-deoxy-D-manno-2-octulosonic acid glycoside + H2O

tetrasaccharide of two repeating units

5 entries

Kdo2-lipid A + H2O

?

Helicobacter pylori

-

-

716260

-

-

?

3-deoxy-D-manno-2-octulosonic acid glycoside + H2O

tetrasaccharide of two repeating units

Coliphage PHI20

-

cleaves only substrates that contain beta-ketosidic KDO substituted at 0-7 by a beta-ribofuranosyl residue

646704

i.e. main product, beta-Ribf1 to 7beta-KDOp2 to 3beta-Ribf1 to 7KDO

646704

?

3-deoxy-D-manno-2-octulosonic acid glycoside + H2O

tetrasaccharide of two repeating units

Coliphage PHI20

-

catalyzes depolymerization of 3-deoxy-2-octulosonide containing capsular polysaccharides from E. coli K13, K20 and K23

646704

-

-

?

3-deoxy-D-manno-2-octulosonic acid glycoside + H2O

tetrasaccharide of two repeating units

Coliphage PHI95

-

specific for K95-antigen

646705

-

-

?

3-deoxy-D-manno-2-octulosonic acid glycoside + H2O

tetrasaccharide of two repeating units

Coliphage PHI95

-

i.e. KDO, native or deacetylated polysaccharides are substrates

646705

-

-

?

3-deoxy-D-manno-2-octulosonic acid glycoside + H2O

tetrasaccharide of two repeating units

Coliphage PHI95

-

cleaves beta-octylfuranosidonic linkages of K95-glycan

646705

-

-

?