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Term Information

Accession
GO:0016840
Name
carbon-nitrogen lyase activity
Ontology
molecular_function
Synonyms
other carbon-nitrogen lyase activity
Alternate IDs
None
Definition
Catalysis of the release of ammonia or one of its derivatives, with the formation of a double bond or ring. Enzymes with this activity may catalyze the actual elimination of the ammonia, amine or amide, e.g. CH-CH(-NH-R) = C=CH- + NH2-R. Others, however, catalyze elimination of another component, e.g. water, which is followed by spontaneous reactions that lead to breakage of the C-N bond, e.g. L-serine ammonia-lyase (EC:4.3.1.17), so that the overall reaction is C(-OH)-CH(-NH2) = CH2-CO- + NH3, i.e. an elimination with rearrangement. The sub-subclasses of EC:4.3 are the ammonia-lyases (EC:4.3.1), lyases acting on amides, amidines, etc. (EC:4.3.2), the amine-lyases (EC:4.3.3), and other carbon-nitrogen lyases (EC:4.3.99). Source: EC:4.3.-.-
Comment
None
History
See term history for GO:0016840 at QuickGO
Subset
None
Feedback
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Graph of GO:0016840

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Parents of carbon-nitrogen lyase activity (GO:0016840)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
carbon-nitrogen lyase activity [is_a relation] is_a  lyase activity (GO:0016829)
Children of carbon-nitrogen lyase activity (GO:0016840)
subject[Reorder by subject] relation[Reorder by relation] object[Reorder by object]
cyanate hydratase activity (GO:0008824) [is_a relation] is_a  carbon-nitrogen lyase activity
amine-lyase activity (GO:0016843) [is_a relation] is_a  carbon-nitrogen lyase activity
ammonia-lyase activity (GO:0016841) [is_a relation] is_a  carbon-nitrogen lyase activity
amidine-lyase activity (GO:0016842) [is_a relation] is_a  carbon-nitrogen lyase activity
EC
4.3