TABLE 4.

Synonymous and nonsynonymous nucleotide changes

Gene	Length	C-C Syn	C-C Non	C-B Syn	C-B Non	C-M Syn	C-M Non
eno1	1314	41	27	68	30	40	2
rpl11a	525	14	2	34	4	19	0
rpl1a	654	4	0	31	5	31	0
rps8a	603	11	0	25	7	10	1
tef1	1377	2	0	32	14	19	1
tif51a	474	28	15	30	10	16	6

Six highly expressed genes of S. cerevisiae were compared to their closest homolog in S. cerevisiae (“C-C” comparisons), in S. bayanus (“C-B” comparisons), or in S. mikatae (“C-M” comparisons). The number of synonymous (“Syn”) and nonsynonymous (“Non”) changes are tabulated.