Table 2.

Variation at five key amino acid sites of vertebrate SWS1 pigments.

species	λmax (nm)	46	52	86	114	118
bovine	438	Phe	Thr	Tyr	Ala	Cys
human	424	Thr	Phe	Leu	Gly	Thr
tammar wallaby	424	Phe	Thr	Tyr	Gly	Ser
quokka	(VS)	Phe	Thr	Tyr	Gly	Ser
quenda	(UVS)	Phe	Thr	Phe	Ala	Ser
mouse	358	Phe	Thr	Phe	Ala	Ser
chameleon	358	Phe	Thr	Phe	Ala	Ser
zebrafish	362	Phe	Thr	Phe	Ala	Ser