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Literature summary for 3.4.24.56 extracted from

  • Grasso, G.; Rizzarelli, E.; Spoto, G.
    The proteolytic activity of insulin-degrading enzyme: a mass spectrometry study (2009), J. Mass Spectrom., 44, 735-741.
    View publication on PubMed

Organism

Organism UniProt Comment Textmining
Rattus norvegicus
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Source Tissue

Source Tissue Comment Organism Textmining
commercial preparation
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Rattus norvegicus
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Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
insulin + H2O investigation of activity of IDE regarding cleavage site's preferentiality upon modification of environmental factors by atmospheric pressure/laser desorption ionization-mass spectrometry. The first insulin fragments produced by IDE are mainly [A (1-13) + B (1-9)], [A (1-14) + B (1-9)] and [A (1-14) + B (1-10)]. A second set of insulin fragments involving the C-terminal residues of the insulin A chain [A (14-21) and A (15-21)] and the fragments B (17-24) and B (17-25) are then produced, confirming a delayed action of IDE on these cleavage sites. A third set of insulin fragments at lower and higher m/z values start to appear soon after and their intensity increases as the intensity of the middle fragments intensity decreases Rattus norvegicus ?
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