Cited by 56Enzyme Production and CharacterizationCynara cardunculus studiesPineapple and bromelain studies

Specificity of a milk clotting enzyme extracted from the thistleCynara cardunculus L.: Action on oxidised insulin and k-casein

Faro, C. J., Moir, A. J. G., Pires, E. V.·1992·Biotechnology Letters

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Crossref · 10.1007/bf01029150

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  • That enzyme induces milk coagulation through cleavage of the Phe105-Met106 bond in bovine κ-casein.

    “Flowers of C. cardunculus were claimed to contain one acid proteinase with two glycosylated sub-units, with molecular masses of 31 and 16 kg .mol -1 ; that enzyme was found to induce milk coagulation through cleavage of the Phe 105 -Met 106 bond in bovine κ-casein [20].”
  • Flowers of C. cardunculus contain one acid proteinase with two glycosylated sub-units, with molecular masses of 31 and 16 kg.mol-1.

    “Flowers of C. cardunculus were claimed to contain one acid proteinase with two glycosylated sub-units, with molecular masses of 31 and 16 kg .mol -1 ; that enzyme was found to induce milk coagulation through cleavage of the Phe 105 -Met 106 bond in bovine κ-casein [20].”
  • Extracts of C. cardunculus hydrolyse the insulin B-chain at the carboxylic side of the peptide bond of Phe-X, Leu-X and Ile-X, where X is preferentially Val or Tyr; however, the specificity is not entirely determined by the nature of the residues since Leu11-Val12 of the insulin B-chain was not cleaved.

    “Extracts of C. cardunculus were reported to hydrolyse the insulin B-chain at the carboxylic side of the peptide bond of Phe-X, Leu-X and Ile-X, where X was preferentially Val or Tyr; however, the specificity was not entirely determined by the nature of the residues since Leu 11 -Val 12 of the insulin B-chain was not cleaved [20].”

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Authors
Faro, C. J., Moir, A. J. G., & Pires, E. V.
Affiliations
  • University of Coimbra (PT)
  • University of Sheffield (GB)
Venue
Biotechnology Letters
Published
1992-09
Volume
14
Issue
9
Pages
841-846
ISSN
  • 0141-5492 (ISSN-L)
  • 1573-6776
OpenAlex
W2074239169
Cited by
56
References
0
Citations by year
2025: 2 · 2024: 2 · 2020: 1 · 2018: 3 · 2017: 2 · 2016: 1 · 2014: 2
FWCI
2.77
Type
journal article
Language
en
Open access
closed
Locations
Biotechnology Letters (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Biotechnology › Enzyme Production and Characterization
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Cynara cardunculus studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Pineapple and bromelain studies
Keywords
Cynara cardunculus, thistle, milk-clotting enzyme, aspartic protease, protease specificity, k-casein, insulin B chain, proteolytic cleavage sites, proteolytic fragments

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