Table 1.

Properties of the pigments

Protein name	Determined molecular mass, kDa	Calculated molecular mass, kDa	Number of amino acids	Absorption/excitation maxima, nm	Emission maxima, nm
asFP499/522	26.2*/23.0†/66.0‡	—	—	<280/≈400/480/511	499/522
asFP499 (cloned)	26.2*	25.4	228	278/403/480	499
asFP595	19.1*/66.0†‡	—	—	278/337/574	595
asCP562	19.1*/66.0†‡	—	—	562	595§
asCP562 (cloned)	19.1*/66.0†‡	16.5	148	562	595§

^*Determined by SDS/PAGE. 

^† Determined by gel filtration under denaturing conditions. 

^‡ Determined by gel filtration under physiological conditions. 

^§ After a denaturation-renaturation process.