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Alkaline low spin form of sulfite reductase hemeprotein subunit.

Abstract：

:The reversible reduction and reoxidation of Escherichia coli sulfite reductase hemeprotein subunit at pH 9.9 produces high and low spin ferric species, the latter with properties distinct from any alkaline low spin yet reported. With virtually no effect on the 298 degrees K optical spectrum, chloride drastically reduces the low spin EPR intensity and produces a high spin conformer pattern like that seen at pH 11. The distribution of g = 5 and g = 2.29 species in the doubly-reduced enzyme is also pH-sensitive.

journal_name

Biochem Biophys Res Commun

journal_title

Biochemical and biophysical research communications

authors

Young LJ,Siegel LM

doi

10.1016/0006-291x(90)91429-v

subject

Has Abstract

pub_date

1990-05-31 00:00:00

pages

39-45

issue

1

eissn

0006-291X

issn

1090-2104

pii

0006-291X(90)91429-V

journal_volume

169

pub_type

杂志文章

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