3-Deoxy-2-octulosonidase

3-Deoxy-2-octulosonidase (EC 3.2.1.124, 2-keto-3-deoxyoctonate hydrolase, octulosylono hydrolase, octulofuranosylono hydrolase, octulopyranosylonohydrolase) is an enzyme with systematic name capsular-polysaccharide 3-deoxy-D-manno-2-octulosonohydrolase.^[1] This enzyme catalyses the following chemical reaction

Endohydrolysis of the β-ketopyranosidic linkages of 3-deoxy-D-manno-2-octulosonate in capsular polysaccharides

3-Deoxy-2-octulosonidase
Identifiers
EC no.	3.2.1.124
CAS no.	103171-48-8
Databases
IntEnz	IntEnz view
BRENDA	BRENDA entry
ExPASy	NiceZyme view
KEGG	KEGG entry
MetaCyc	metabolic pathway
PRIAM	profile
PDB structures	RCSB PDB PDBe PDBsum
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The bacteriophage enzyme depolymerizes polysaccharides containing 3-deoxy-2-octulosonide in the cell wall of Escherichia coli.