TABLE 2

Amino acid compositions at five critical sites and λmax values of the mammalian red and green pigments

λmax (nm)
Pigment180197277285308ExpectedExpected - Observed
Cat (P553)AHYTA553a (553)b0a (0)b
Deer (P531)AHFAA531 (530)0 (-1)
Guinea pig (P516)SYYAA517 (518)1 (2)
Horse (P545)AHFTA546 (547)1 (2)
Squirrel (P532)SYYTA532 (535)0 (3)
Goat (P553)AHYTA553 (553)0 (0)
Rabbit (P509)AYYTS509 (508)0 (-1)
Dolphin (P524)AHYTS537 (529)13 (5)
Mouse (P508)AYYTS509 (508)1 (0)
Rat (P509)AYYTS509 (508)0 (-1)
Human (P560)SHYTA560 (556)0 (-4)
Human (P552)AHYTA553 (553)1 (1)
Human (P530)AHFAA531 (530)1 (0)
  • a Dolphin (P524) pigment is excluded in the estimation.

  • b Dolphin (P524) pigment is included in the estimation.