Type b Cytochromes in Microorganisms

A large number of type 6 cytochromes have been found in bacteria, fungi, and protozoa, and isolated in partially or highly purified states. 

BUNJI HAGIHARA, NOBTIHIRO SATO, AND TATEO YAMANAK.A 

These are listed in Table VI 156,161-192) with their main spectral and molecular properties as well as their biological roles if they are known. Except in the cases of cytochromes 6i and 62, these microbial cytochromes are named by the position of the peak at room temperature such as cytochromes h-554, b-563, and b-667. Microbial cytochromes including type b cytochromes have been recently reviewed by Lemberg and Barrett ) as well as by Yamanaka and Okunuki 189). Only highly purified and well-characterized h type cytochromes will be described below. 

Mori and K. Hirai, in Structure and Function of Cytochromes (K. Okunuki, 

Sekuzu, eds.), p. 666. Univ. of Tokyo Press, Tokyo, 1988. 

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