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Properties of human hemoglobins with increased polarity in the alpha- or beta-heme pocket. Carbonmonoxy derivatives.
Karavitis M, Fronticelli C, Brinigar WS, Vasquez GB, Militello V, Leone M, Cupane A. Karavitis M, et al. Among authors: cupane a. J Biol Chem. 1998 Sep 11;273(37):23740-9. doi: 10.1074/jbc.273.37.23740. J Biol Chem. 1998. PMID: 9726982 Free article.
The spectroscopic data indicate that for the carbonmonoxy derivatives, the Val --> Thr mutation has a larger conformational effect on the beta-subunits than on the alpha-subunits. This is at variance with the deoxy derivatives where the conformational modification was l …
The spectroscopic data indicate that for the carbonmonoxy derivatives, the Val --> Thr mutation has a larger conformational effect …
Modification of alpha-chain or beta-chain heme pocket polarity by Val(E11) --> thr substitution has different effects on the steric, dynamic, and functional properties of human recombinant hemoglobin. Deoxy derivatives.
Cupane A, Leone M, Militello V, Friedman FK, Koley AP, Vasquez GB, Brinigar WS, Karavitis M, Fronticelli C. Cupane A, et al. J Biol Chem. 1997 Oct 17;272(42):26271-8. doi: 10.1074/jbc.272.42.26271. J Biol Chem. 1997. PMID: 9334196 Free article.
Low-temperature optical spectroscopy of cobalt in Cu,Co superoxide dismutase: a structural dynamics study of the solvent-unaccessible metal site.
Cupane A, Leone M, Militello V, Stroppolo ME, Polticelli F, Desideri A. Cupane A, et al. Biochemistry. 1995 Dec 19;34(50):16313-9. doi: 10.1021/bi00050a011. Biochemistry. 1995. PMID: 8845356
This is also confirmed by the analysis of the zeroth, first, and second moments of the various bands in the derivatives. The cobalt site is characterized by a harmonic dynamics, at variance with what observed in the solvent accessible copper site [Cupane, A., …
This is also confirmed by the analysis of the zeroth, first, and second moments of the various bands in the derivatives. The cobalt site is …
95 results