scholarly journals Studies on the rate-limiting enzyme component in the microsomal monooxygenase system. Incorporation of purified NADPH-cytochrome c reductase and cytochrome P-450 into rat liver microsomes.

1978 ◽  
Vol 253 (6) ◽  
pp. 1921-1929
Author(s):  
G.T. Miwa ◽  
S.B. West ◽  
A.Y. Lu
1976 ◽  
Vol 68 (2) ◽  
pp. 189-201 ◽  
Author(s):  
T Morimoto ◽  
S Matsuura ◽  
S Sasaki ◽  
Y Yashiro ◽  
T Omura

By the use of ferritin-conjugated antibody (conjugate) indirect immunoelectron microscopy, NADPH-cytochrome c reductase was localized on rat liver microsomes. Most microsomes in the sections had from 1 to 12 conjugates on their outer surfaces. Among the conjugates, 83% was estimated to bind to NADPH-cytochrome c reductase at a molecular ratio of 1:1, 12% at the ratio of 2:1, and 5% at the ratio of 3 or 4:1. The correlation between immunochemical and morphological data confirmed that most of the NADPH-cytochrome c reducatase reacted with the conjugates. Subsequent morphological analyses have revealed that the enzyme is distributed homogeneously on the outer surfaces of microsomes but heterogeneously within microsomes in groups of three to five enzyme molecules.


1977 ◽  
Vol 77 (3) ◽  
pp. 912-917 ◽  
Author(s):  
Andrey Pokrovsky ◽  
Vladamir Mishin ◽  
Nikolay Rivkind ◽  
Vyacheslav Lyakhovich

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