Table 4. Divergences in Exons and Introns of Mup genes.

Mus musculus Mup Class A divergences
Exon 1 (coding only)	Exon 2	Exon 3	Exon 4	Exon 5	Exon 6
0.162	0.172	0.257	0.09	0.117	0.103
s.e. = 0.089	s.e. = 0.052	s.e. = 0.116	s.e. = 0.037	s.e. = 0.043	s.e. = 0.121
	intron a	intron b	intron c	intron d	intron e	Concatenated introns a	dS b
	0.162	0.121	0.175	0.123	0.109	0.143	0.133
	s.e. = 0.019	s.e. = 0.008	s.e. = 0.012	s.e. = 0.013	0.018	s.e. = 0.005
Mus musculus Mup Class B divergences
Exon 1 (coding only)	Exon 2	Exon 3	Exon 4	Exon 5	Exon 6
0.019	0.015	0.006	0	0.013	0
s.e. = 0.020	s.e. = 0.012	s.e. = 0.006	s.e. = 0	s.e. = 0.013	s.e. = 0
	intron a	intron b	intron c	intron d	intron e	Concatenated introns a	dS b
	0.016	0.011	0.021	0.025	0.005	0.017	0.018
	s.e. = 0.004	s.e. = 0.002	s.e. = 0.003	s.e. = 0.005	s.e. = 0.002	s.e. = 0.002
Rattus norvegicus Mup divergences
Exon 1 (coding only)	Exon 2	Exon 3	Exon 4	Exon 5	Exon 6
0.056	0.064	0.136	0.078	0.032	0.074
s.e. = 0.048	s.e. = 0.024	s.e. = 0.045	s.e. = 0.031	s.e. = 0.017	s.e. = 0.067
	intron a	intron b	intron c	intron d	intron e	Concatenated introns a	dS b
	0.051	0.062	0.062	0.052	0.07	0.059	0.098
	s.e. = 0.008	s.e. = 0.009	s.e. = 0.006	s.e. = 0.007	s.e. = 0.013	s.e. = 0.003

^aUsing nucleotide differences of concatenated introns is more accurate than calculating an average over all introns.

^b d_S values taken from [33].