Additional file 2 of Color vision evolution in egg-laying mammals: insights from visual photoreceptors and daily activities of Australian echidnas

Additional file 2: Table S1. Chromosomal location of visual photoreceptor genes in echidna and platypus. Table S2. PCR primers for LWS and SWS2 genes in echidna and platypus. Table S3. Nucleotide sequences and haplotypes of visual photoreceptor genes in echidna and platypus. Table S4. Amino acids of key site residues of the five-site rule in monotreme LWS. Table S5. Amino acids of key site residues in monotreme SWS2.