期刊
CELLULAR AND MOLECULAR LIFE SCIENCES
卷 62, 期 18, 页码 2050-2066出版社
SPRINGER BASEL AG
DOI: 10.1007/s00018-004-5076-x
关键词
multicopper blue protein (MCBP); multicopper oxidase (MCO); blue-copper-binding site (BCB site); cupredoxin; nitrite reductase; laccase; ceruloplasmin; molecular evolution
Multicopper blue proteins (MCBPs) are multidomain proteins that utilize the distinctive redox ability of copper ions. There are a variety of MCBPs that have been roughly classified into three different groups, based on their domain organization and functions: (i) nitrite reductase-type with two domains, (ii) laccase-type with three domains, and (iii) ceruloplasmin-type with six domains. Together, the second and third group are often commonly called multicopper oxidases (MCOs). The rapid accumulation of genome sequence information in recent years has revealed several new types of proteins containing MCBP domains, mainly from bacteria. In this review, the recent research on the functions and structures of MCBPs is summarized, mainly focusing on the new types. The latter half of this review focusses on the two-domain MCBPs, which we propose as the evolutionary intermediate of the MCBP family.
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