The Enzyme Database

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EC 3.4.22.31     
Accepted name: ananain
Reaction: Hydrolysis of proteins with broad specificity for peptide bonds. Best reported small molecule substrate Bz-Phe-Val-Arg┼NHMec, but broader specificity than fruit bromelain
Other name(s): stem bromelain; fruit bromelain
Comments: From stem of pineapple plant, Ananas comosus. Differs from stem and fruit bromelains in being inhibited by chicken cystatin. In peptidase family C1 (papain family)
Links to other databases: BRENDA, EXPASY, KEGG, MetaCyc, MEROPS, CAS registry number: 119129-70-3
References:
1.  Rowan, A.D., Buttle, D.J. and Barrett, A.J. Ananain: a novel cysteine proteinase found in pineapple stem. Arch. Biochem. Biophys. 267 (1988) 262–270. [PMID: 3196029]
2.  Rowan, A.D., Buttle, D.J. and Barrett, A.J. The cysteine proteinases of the pineapple plant. Biochem. J. 266 (1990) 869–875. [PMID: 2327970]
[EC 3.4.22.31 created 1992]
 
 


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