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Literature summary for 3.4.22.31 extracted from
- Complete amino acid sequence of ananain and a comparison with stem bromelain and other plant cysteine proteases (1997), Biochem. J., 327, 199-202.
No PubMed abstract available
Molecular Weight [Da]
| Molecular Weight [Da] | Molecular Weight Maximum [Da] | Comment | Organism |
|---|---|---|---|
| 23464 | - |
x * 23464, amino acid sequence determination | Ananas comosus |
Natural Substrates/ Products (Substrates)
| Natural Substrates | Organism | Comment (Nat. Sub.) | Natural Products | Comment (Nat. Pro.) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| protein + H2O | Ananas comosus | - |
peptides | - |
? |  |
Organism
| Organism | UniProt | Comment | Textmining |
|---|---|---|---|
| Ananas comosus | - |
- |
- |
Reaction
| Reaction | Comment | Organism | Reaction ID |
|---|---|---|---|
| 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 | from stem of pineapple plant, Ananas comosus,. Differs from stem and fruit bromelains in being inhibited by chicken cystatin, amino acid sequence, contains an insert between residues 170 and 174 not present in stem bromelain or papain and a hydropobic series of amino acids adjacent to His157, which possibly contributes to the different substrate and inhibitor specificities | Ananas comosus |
Substrates and Products (Substrate)
| Substrates | Comment Substrates | Organism | Products | Comment (Products) | Rev. | Reac. |
|---|---|---|---|---|---|---|
| protein + H2O | - |
Ananas comosus | peptides | - |
? | |
Subunits
| Subunits | Comment | Organism |
|---|---|---|
| ? | x * 23464, amino acid sequence determination | Ananas comosus |
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Release 2023.1 (January 2023)
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