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Literature summary extracted from

  • Ota, S.; Muta, E.; Katahira, Y.; Okamoto, Y.
    Reinvestigation of fractionation and some properties of the proteolytically active components of stem and fruit bromelains (1985), J. Biochem., 98, 219-228.
    View publication on PubMed

Inhibitors

EC Number Inhibitors Comment Organism Structure
3.4.22.33 additional information scarcely inhibited by chicken chystatin Ananas comosus

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
3.4.22.32 23000
-
x * 23000, Ananas comosus, enzyme forms SBB 4 and 5, SBA Ananas comosus
3.4.22.32 27000
-
x * 27000, Ananas comosus, enzyme forms SBB 1-3, SDS-PAGE Ananas comosus
3.4.22.33 23000
-
x * 23000, Ananas comosus, enzyme form FBA, SDS-PAGE, x * 27000, Ananas comosus, enzyme form FBB, SDS-PAGE Ananas comosus
3.4.22.33 27000
-
x * 23000, Ananas comosus, enzyme form FBA, SDS-PAGE, x * 27000, Ananas comosus, enzyme form FBB, SDS-PAGE Ananas comosus

Organism

EC Number Organism UniProt Comment Textmining
3.4.22.32 Ananas comosus
-
6 enzyme forms: SBB 1-5 and SBA
-
3.4.22.33 Ananas comosus
-
-
-

Posttranslational Modification

EC Number Posttranslational Modification Comment Organism
3.4.22.32 glycoprotein carbohydrate content: 4.3% (enzyme form SBB1), 3.6% (enzyme form SBB2), 3.5% (enzyme form SBB3), 8.2% (enzyme form SBA), enzyme form SBB4 and SBB5 contain no carbohydrate Ananas comosus

Purification (Commentary)

EC Number Purification (Comment) Organism
3.4.22.32 6 enzyme forms: SBB 1-5 and SBA Ananas comosus
3.4.22.33 2 forms: FBA and FBB Ananas comosus
3.4.22.33 fractionation Ananas comosus

Source Tissue

EC Number Source Tissue Comment Organism Textmining
3.4.22.32 stem
-
Ananas comosus
-
3.4.22.33 fruit
-
Ananas comosus
-

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3.4.22.32 additional information overview: synthetic substrates Ananas comosus ?
-
?
3.4.22.33 Benzoyl-Gly-Gly-Lys + H2O enzyme form FBA is much more active than FBB Ananas comosus ?
-
?
3.4.22.33 Benzyloxycarbonyl-Ala-Leu + H2O enzyme form FBA is much more active than FBB Ananas comosus Benzyloxycarbonyl-Ala + Leu
-
?
3.4.22.33 Benzyloxycarbonyl-Gly-Leu + H2O enzyme form FBA is much more active than FBB Ananas comosus Benzyloxycarbonyl-Gly + Leu
-
?
3.4.22.33 Benzyloxycarbonyl-Gly-Phe + H2O
-
Ananas comosus Benzyloxycarbonyl-Gly + Phe
-
?
3.4.22.33 Benzyloxycarbonyl-Gly-Tyr + H2O
-
Ananas comosus Benzyloxycarbonyl-Gly + Tyr
-
?
3.4.22.33 Benzyloxycarbonyl-Gly-Val + H2O enzyme form FBA is much more active than FBB Ananas comosus Benzyloxycarbonyl-Gly + Val
-
?
3.4.22.33 Carbobenzoxy-Gly-Ala + H2O enzyme form FBA is much more active than FBB Ananas comosus Carbobenzoxy-Gly + Ala
-
?
3.4.22.33 additional information specificity overview Ananas comosus ?
-
?
3.4.22.33 Nalpha-Benzoyl-Arg amide + H2O
-
Ananas comosus Nalpha-Benzoyl-Arg + NH3
-
?

Subunits

EC Number Subunits Comment Organism
3.4.22.32 ? x * 27000, Ananas comosus, enzyme forms SBB 1-3, SDS-PAGE Ananas comosus
3.4.22.32 ? x * 23000, Ananas comosus, enzyme forms SBB 4 and 5, SBA Ananas comosus
3.4.22.33 ? x * 23000, Ananas comosus, enzyme form FBA, SDS-PAGE, x * 27000, Ananas comosus, enzyme form FBB, SDS-PAGE Ananas comosus

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
3.4.22.33 3.5
-
benzoyl-Ala-Leu, benzoyl-Ala-Phe, enzyme form FBA Ananas comosus
3.4.22.33 3.5 4 benzoyl-Glu-Tyr, benzoyl-Glu-Phe Ananas comosus
3.4.22.33 4
-
benzoyl-Ala-Leu, enzyme form FBA Ananas comosus
3.4.22.33 6.5
-
benzoyl-Arg amide, enzyme form FBA Ananas comosus