FB2026_03 , released September 17, 2026

CV Term Report

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General Information

Term

omega peptidase activity

ID (Ontology)

GO:0008242 (Gene Ontology)

Definition

Catalysis of the cleavage of non-standard peptide bonds releasing substituted amino acids such as pyroglutamate or cleave isopeptide bonds, such as many deubiquitinating enzymes.[ EC:3 PubMed:20157488 PubMed:9920379 ]

Comment

Links to External Ontologies

QuickGO data AmiGO data

Annotations

Records annotated with this term OR any of its CHILD TERMS

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Results list data from multiple species. Choose a record type above to open its HitList.

Direct annotations: records annotated with this exact term (child terms are NOT included)

Data Class	Field	Direct annotations
Genes (FBgn)	GO_MOLECULAR_FUNCTION

Full annotation statements including this term (annotations to child terms are NOT included), and relevant FlyBase records

Full annotation statements	Relevant FlyBase reports
Full annotation statements	Genes
omega peptidase activity (all annotations which use CV term, excluding "NOT" statements)
enables \| omega peptidase activity

Spanning Tree (Parents/Children)

hydrolase activity_______________________
catalytic activity, acting on a protein__|
                                         peptidase activity
                                          |__omega peptidase activity  12 rec.
                                              |__beta-aspartyl-peptidase activity 2 rec.
                                              |__gamma-glutamyl-peptidase activity 3 rec.
                                              |__glutathione gamma-glutamate hydrolase 5 rec.
                                              |__leukotriene-C(4) hydrolase activity
                                              |__pyroglutamyl-peptidase activity 2 rec.

Spanning Tree View Settings
Parents/Children View Depth	Show hierarchy levels: for parents, for children
Relationships
Is a	peptidase activity
Part of
Synonyms & Secondary IDs
Synonyms
	"peptidase activity, acting on peptides containing modified amino acids" RELATED
Secondary IDs

External Crossreferences & Linkouts
	EC:3.4.19.- EC:3.4.19.1 EC:3.4.19.2 MetaCyc:ACYLAMINOACYL-PEPTIDASE-RXN MetaCyc:PEPTIDYL-GLYCINAMIDASE-RXN Reactome:R-HSA-5696365 "ASRGL1 hydrolyses aspartame to L-Asp, L-Phe, MeOH"