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Disordered proteins:
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Protein disorder:
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Default Evaluation of Solvent Accessibility to the [Fe(4)S(4)] Binding Pocket in Native and T

Evaluation of Solvent Accessibility to the [Fe(4)S(4)] Binding Pocket in Native and Tyr19 Mutant High Potential Iron Proteins by (1)H-(15)N HMQC and (19)F NMR Experiments.

Related Articles Evaluation of Solvent Accessibility to the [Fe(4)S(4)] Binding Pocket in Native and Tyr19 Mutant High Potential Iron Proteins by (1)H-(15)N HMQC and (19)F NMR Experiments.

Inorg Chem. 1996 Feb 28;35(5):1121-1125

Authors: Li D, Agarwal A, Cowan JA

The solvent accessibility of Chromatium vinosumhigh potential iron protein (HiPIP) has been investigated by use of (1)H-(15)N HMQC, and (19)F NMR spectroscopy. These NMR experiments indicate that solvent accessibility to the cluster core is similar, and minimal, for the reduced and oxidized states of native HiPIP, but increases significantly for mutant proteins (Tyr19Leu and Tyr19His). These results support a proposed role [Agarwal, A.; Li, D.; Cowan, J. A. Proc. Natl. Acad. Sci. U.S.A. 1995, 92, 9440-9444] for Tyr19 in maintaining hydrolytic stability of the [Fe(4)S(4)] cluster, and demonstrate a general strategy for mapping out the solvent accessibility of protein-bound metalloredox prosthetic centers.

PMID: 11666298 [PubMed - as supplied by publisher]



Source: PubMed
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