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Gene ontology
Version 2014-12-22
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Details for chondroitin B lyase activity
4.2.2.19
Gene ontology ID
GO:0033999
Definition
Catalysis of the reaction: dermatan sulfate = n 4-deoxy-beta-D-gluc-4-enuronosyl-(1,3)-N-acetyl-D-galactosamine 4-sulfate. This reaction is the eliminative cleavage of dermatan sulfate containing 1,4-beta-D-hexosaminyl and 1,3-beta-D-glucurosonyl or 1,3-alpha-L-iduronosyl linkages to disaccharides containing 4-deoxy-beta-D-gluc-4-enuronosyl groups to yield a 4,5-unsaturated dermatan-sulfate disaccharide (DeltaUA-GalNAC-4S). Chondroitin sulfate B is also known as dermatan sulfate
Synonyms
1. ChnB
2. chonB
3. chondroitinase B activity
4. dermatan sulfate lyase activity
References
1. EC 4.2.2.19
2. MetaCyc 4.2.2.19-RXN
Legend
is an element of the parent element
is a part of the parent element
is related to the parent element
derives from the parent element
// at least 1 tissue/ enzyme/ localization link in this branch
// tissue/ enzyme/ localization link to BRENDA
Condensed Tree View
Gene ontology
molecular_function is a
catalytic activity is a
lyase activity is a
carbon-oxygen lyase activity is a
carbon-oxygen lyase activity, acting on polysaccharides is a
chondroitin B lyase activity is a
Tree view
Gene ontology
biological_process is a
cellular_component is a
molecular_function is a
binding is a
catalytic activity is a
catalytic activity, acting on a protein is a
catalytic activity, acting on DNA is a
catalytic activity, acting on RNA is a
cyclase activity is a
hydrolase activity is a
isomerase activity is a
ligase activity is a
lyase activity is a
2-amino-5-formylamino-6-(5-phosphoribosylamino)pyrimidin-4(3H)-one formate-lyase activity is a
alkylmercury lyase activity is a
carbon phosphorus lyase activity is a
carbon-carbon lyase activity is a
carbon-halide lyase activity is a
carbon-nitrogen lyase activity is a
carbon-oxygen lyase activity is a
2-succinyl-6-hydroxy-2,4-cyclohexadiene-1-carboxylate synthase activity is a
carbon-oxygen lyase activity, acting on phosphates is a
carbon-oxygen lyase activity, acting on polysaccharides is a
acharan sulfate lyase activity is a
anhydrosialidase activity is a
chondroitin ABC lyase activity is a
chondroitin AC lyase activity is a
chondroitin B lyase activity is a
exo-(1,4)-alpha-D-glucan lyase activity is a
exo-oligoalginate lyase activity is a
gellan lyase activity is a
glucuronan lyase activity is a
heparin lyase activity is a
heparin-sulfate lyase activity is a
hyaluronate lyase activity is a
inulin fructotransferase (DFA-I-forming) activity is a
inulin fructotransferase (DFA-III-forming) activity is a
levan fructotransferase (DFA-IV-forming) activity is a
murein hydrolase activity is a
oligogalacturonide lyase activity is a
pectate disaccharide-lyase activity is a
pectate lyase activity is a
pectin lyase activity is a
poly(alpha-L-guluronate) lyase activity is a
poly(beta-D-mannuronate) lyase activity is a
rhamnogalacturonan alpha-L-rhamnopyranosyl-(1->4)-alpha-D-galactopyranosyluronide lyase activity is a
rhamnogalacturonan endolyase activity is a
ulvan lyase activity is a
xanthan lyase activity is a
carboxymethyloxysuccinate lyase activity is a
hydro-lyase activity is a
isochorismate pyruvate lyase activity is a
O-acetylhomoserine sulfhydrylase activity is a
versicolorin B synthase activity is a
carbon-sulfur lyase activity is a
cobalt-precorrin-5A acetaldehyde-lyase activity is a
ferrochelatase activity is a
indoleacetaldoxime dehydratase activity is a
phosphorus-oxygen lyase activity is a
sirohydrochlorin cobaltochelatase activity is a
peptidoglycan muralytic activity is a
transferase activity is a
molecular transducer activity is a
nutrient reservoir activity is a
protein tag is a
small molecule sensor activity is a
structural molecule activity is a
transcription regulator activity is a
transporter activity is a