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Potato cysteine protease inhibitor

Solatium tuberosum (Solanaceae) [tuber] Potato Cysteine Protease Inhibitors (PCPIs) (20-25 kDa Kunitz PI homologues - for details see Table 12 ) Cysteine proteases (e.g. Papain, Cathepsins B, H L) - for details see Table 12 [185- 188]... [Pg.593]

Solanum (potato) Kunitz PEPs inhibit the aspartic protease cathepsin D as well as trypsin [125-134] and potato cysteine protease inhibitor (PCPI) inhibits a variety of cysteine proteases [185-188]. The crystal structures of soybean trypsin inhibitor (STI) [362, 368] and of Erythrina trypsin inhibitor (ETI) [350] have been determined. The structure of this type of plant Kunitz serine PIP involves a [3-barrel formed by 6 loop-linked antiparallel [3-strands with a lid formed by 6 further loop-linked antiparallel [3-strands. The scissile bond is located within a loop that extends out from the surface of the [3-barrel [350, 362, 368]. [Pg.603]

Based on their sequence homology, disulfide connectivity, and cysteine location within the sequence and chemistry of the reactive site. Pis can be assigned to distinct families, as classified by Laskowski and Kato. Kunitz-type, Bowman—Birk-type, Potato type I and type II, and squash inhibitors are members of these families shown in Table 3. For inhibitors not falling into these classifications more families have been proposed. Pis can also be classified by their target/mode of action. Plants have been found to express Pis that target serine proteinases, cysteine proteinases, aspartic proteinases, and metallo-proteinases. Serine and cysteine protease inhibitors are the best-studied PIs. ... [Pg.271]


See other pages where Potato cysteine protease inhibitor is mentioned: [Pg.103]    [Pg.105]    [Pg.108]    [Pg.348]    [Pg.567]    [Pg.607]    [Pg.609]    [Pg.567]    [Pg.607]    [Pg.609]    [Pg.163]    [Pg.110]   
See also in sourсe #XX -- [ Pg.605 ]

See also in sourсe #XX -- [ Pg.605 ]




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