Table 1.

Measured and predicted properties of H. beehleri GFP compared with representative fluorescent proteins from the three other known FP-bearing phyla. Species were chosen as the first-discovered or most commonly encountered representative of that taxonomic group. Length is in amino acids, charge is the hypothetical charge based on the primary sequence. Molecular weights in kilodaltons. Calculated values were determined using the protcalc.pl script, available at http://www.mbari.org/~haddock/scripts/.

name	taxon	length	charge	mol wt	accession number
Haeckelia GFP	Ctenophora	262	−9	30.3	GQ903692
Aequorea GFP	Hydromedusa	238	−5	26.9	M62653
Anthomedusa GFP	Hydromedusa	225	4	25.0	AY485334
Discosoma RFP	Corallimorph, Hexacoral	225	1	25.8	AF168419
Corynactis YFP	Corallimorph, Hexacoral	221	0	25.0	AY823227
Renilla GFP	sea pansy, Octocoral	222	−4	24.8	AF372525
Cerianthus OFP	tube anemone, Anthozoa	222	−1	25.1	AF545830
Pontella GFP	Copepoda, Crustacea	221	−2	24.9	AY268074
Branchiostoma GFP	lancelet, Chordata	223	−2	23.7	EF157660