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 EC-number:  3.4.22.33 ----- fruit bromelain
EC-NUMBER 3.4.22.33
ENZYME-NAME fruit bromelain
ENZYME-SYSNAME From the pineapple plant, Ananas comosus. Scarcely inhibited by chicken cystatin. Another cysteine endopeptidase, with similar action on small molecule substrates, pinguinain (formerly EC 3.4.99.18), is obtained from the related plant, Bromelia pinguin, but pinguinain differs from fruit bromelain in being inhibited by chicken cystatin [4]. In peptidase family C1 (papain family). Formerly EC 3.4.22.5 and included in EC 3.4.22.4
ENZYME-CLASS Hydrolases Acting on peptide bonds (peptidases) Cysteine endopeptidases
SYNONYMS ananase;; bromelase;; bromelin;; extranase;;   >>more synonyms
REACTION Hydrolysis of proteins with broad specificity for peptide bonds. Bz-Phe-Val-Arg-|-NHMec is a good synthetic substrate, but there is no action on Z-Arg-Arg-NHMec (c.f. stem bromelain)
PATHWAY EMP-PATHWAYS: NO EMP PATHWAY FOUND
KEGG-PATHWAYS: NO KEGG PATHWAY FOUND
GO_TERM GO: :
ENZYME-COMMENT NULL
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InterPro Domains found in sequences annotated as EC 3.4.22.33
   IPR000169 Peptidase, cysteine peptidase active site
   IPR000668 Peptidase C1A, papain C-terminal
   IPR013128 Peptidase C1A, papain
   IPR013201 Proteinase inhibitor I29, cathepsin propeptide
       
PIR SuperFamilies containing EC 3.4.22.33
SF001182 papain
Taxonomic breakdown of EC 3.4.22.33 sequences
To perform phylogenetic analysis, first select some protein ids by clicking on their checkboxes, then click on one of the buttons below.
  Additional gi numbers:   
Eukaryota
Streptophyta
Liliopsida
Ananas comosus
2342496
IPR000169 Peptidase, cysteine peptidase active site
IPR000668 Peptidase C1A, papain C-terminal
IPR013128 Peptidase C1A, papain
IPR013201 Proteinase inhibitor I29, cathepsin propeptide
2463582
IPR000169 Peptidase, cysteine peptidase active site
IPR000668 Peptidase C1A, papain C-terminal
IPR013128 Peptidase C1A, papain
IPR013201 Proteinase inhibitor I29, cathepsin propeptide
2463586
IPR000169 Peptidase, cysteine peptidase active site
IPR000668 Peptidase C1A, papain C-terminal
IPR013128 Peptidase C1A, papain
IPR013201 Proteinase inhibitor I29, cathepsin propeptide
2463588
IPR000169 Peptidase, cysteine peptidase active site
IPR000668 Peptidase C1A, papain C-terminal
IPR013128 Peptidase C1A, papain
IPR013201 Proteinase inhibitor I29, cathepsin propeptide
  Additional gi numbers:   

To perform phylogenetic analysis:

  1. Select some ids by clicking on their checkboxes.
  2. Click on one of the buttons above.