Article
The rate heterogeneity of nonsynonymous substitutions in mammalian mitochondrial genes.
Molecular biology and evolution - 1 Mar 1998
Xia X
Abstract excerpt
Substitution rates at the three codon positions (r1, r2, and r3) of mammalian mitochondrial genes are in the order of r3 > r1 > r2, and the rate heterogeneity at the three positions, as measured by the shape parameter of the gamma distribution (alpha 1, alpha 2, and alpha 3), is in the order of alpha 3 > alpha 1 > alpha 2. The causes for the rate heterogeneity at the three codon positions remain unclear and, in...
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