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Ribozyme leadzyme

The hammerhead ribozyme and leadzyme belong to the second class of ribozymes. The short extra sequences of the ribozymes form the so-called catalytic loop which acts as the enzyme. There are two likely functions for metal ions in the mechanism of action of hammerhead ribozymes formation of metal hydroxide groups or direct coordination to phosphoryl oxygens. [Pg.276]

Figure 12-28 (A) A hairpin ribozyme formed from the minus strand of a satellite RNA associated with tobacco ringspot virus. On the basis of hydroxyl radical footprinting (see Fig. 5-50), to identify protected areas a folding pattern that brings domains A and B together to form a compact catalytic core has been proposed.798 (B) A "leadzyme," a ribozyme dependent upon Pb2+ for cleavage of RNA.802 803 (C) An RNA-cleaving DNA enzyme.804... Figure 12-28 (A) A hairpin ribozyme formed from the minus strand of a satellite RNA associated with tobacco ringspot virus. On the basis of hydroxyl radical footprinting (see Fig. 5-50), to identify protected areas a folding pattern that brings domains A and B together to form a compact catalytic core has been proposed.798 (B) A "leadzyme," a ribozyme dependent upon Pb2+ for cleavage of RNA.802 803 (C) An RNA-cleaving DNA enzyme.804...
Ribothymidylic acid residue 813 Ribozyme(s) 649 - 652, 239 artificial 652 hairpin 649,651s hammerhead 649, 651 leadzyme, 651s Ribulose 164s Ribulose bisphosphate 707s Ribulose bisphosphate carboxylase (Rubisco)... [Pg.931]

See other pages where Ribozyme leadzyme is mentioned: [Pg.651]    [Pg.110]    [Pg.651]    [Pg.110]    [Pg.649]    [Pg.652]    [Pg.2614]    [Pg.652]    [Pg.2613]    [Pg.402]    [Pg.402]   
See also in sourсe #XX -- [ Pg.651 ]

See also in sourсe #XX -- [ Pg.651 ]

See also in sourсe #XX -- [ Pg.651 ]

See also in sourсe #XX -- [ Pg.651 ]



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Leadzyme

Ribozyme

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