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CuT4-poly-glutamate

Before discussing the remarkable kinetic inertia of these ternary species it is useful to present the main characteristic of the CuT4-poly-glutamate binary system. The binary complex is chiral and kinetically labile. This is shown by (1) the presence of an induced band in the Soret region of the circular dichroism (CD) spectra (inset of Fig. 3, curve a) and (2) the inversion (in about 10 min) of the same... [Pg.149]

Fig. 3 CD spectra of a solution of CuT4 (4 pM) in the presence of poly-glutamate (200 pM) (a) l-and (b) D-, after addition of H2TPPS (4 pM). Inset CD spectra of a solution of CuT4 (4 pM) in the presence (a) of poly-L-glutamate (200 pM) at pH 3.6 and (b) the same solution after the addition of fourfold excess of poly-D-glutamate. Modified from [37]... Fig. 3 CD spectra of a solution of CuT4 (4 pM) in the presence of poly-glutamate (200 pM) (a) l-and (b) D-, after addition of H2TPPS (4 pM). Inset CD spectra of a solution of CuT4 (4 pM) in the presence (a) of poly-L-glutamate (200 pM) at pH 3.6 and (b) the same solution after the addition of fourfold excess of poly-D-glutamate. Modified from [37]...
CuT4 Poly-L-glutamate or poly-D-glutamate (not removable pH 3.2-4.0 Dynamic (induction, pH reversible)... [Pg.184]

Fig. 6 CD spectra of CuT4 (4 pM) and H2TPPS (4 pM) aggregated in water at pH 3.6 (black curve) and after addition of poly-L-glutamate (grey curve). Modified from [45]... Fig. 6 CD spectra of CuT4 (4 pM) and H2TPPS (4 pM) aggregated in water at pH 3.6 (black curve) and after addition of poly-L-glutamate (grey curve). Modified from [45]...
See other pages where CuT4-poly-glutamate is mentioned: [Pg.149]    [Pg.150]    [Pg.151]    [Pg.149]   
See also in sourсe #XX -- [ Pg.149 ]



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