Ananain

Ananain (EC 3.4.22.31, stem bromelain, fruit bromelain) is an enzyme.^[1][2] This enzyme catalyses the following chemical reaction

Hydrolysis of proteins with broad specificity for peptide bonds. Best reported small molecule substrate Bz-Phe-Val-Arg-NHMec

Ananain
Identifiers
EC no.	3.4.22.31
CAS no.	119129-70-3
Databases
IntEnz	IntEnz view
BRENDA	BRENDA entry
ExPASy	NiceZyme view
KEGG	KEGG entry
MetaCyc	metabolic pathway
PRIAM	profile
PDB structures	RCSB PDB PDBe PDBsum
Search PMC articles PubMed articles NCBI proteins

This enzyme is isolated from stem of pineapple plant, Ananas comosus.