SGD Paper 
Rep M and Grivell LA (1996) MBA1 encodes a mitochondrial membrane-associated protein required for biogenesis of the respiratory chain. FEBS Lett 388(2-3):185-8
Abstract: The yeast MBA 1 gene (Multi-copy Bypass of AFG3) is one of three genes whose overexpression suppresses afg3-null and rca1-null mutations. Bypass of AFG3 and RCA1, whose products are essential for assembly of mitochondrial inner membrane enzyme complexes, suggests a related role for MBA1. The predicted translation product is a 30 kDa hydrophilic protein with a putative mitochondrial targeting sequence and no homology to any sequence in protein or EST databases. Gene disruption leads to a partial respiratory growth defect, which is more pronounced at temperatures above 30 degrees C. Concomitantly, amounts of cytochromes b and aa3 are reduced. A C-terminal c-myc-tagged MBA1 gene product is functional and is found associated with the mitochondrial inner membrane, from which it can he extracted by carbonate, but not by high salt. These observations give further support to a role of MBA1 in assembly of the respiratory chain.
| Status: Published | Type: Journal Article | PubMed ID: 8690083 |
Topics addressed in this paper
Number of different genes curated to this paper: 3
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