TABLE 2.

Results of amino acid sequence comparisons of Synechocystis protein Sll1566 and several trehalose-phosphate synthases^a

Gene	Accession no.	Organism	Sequence		Refer- ence
			Total no. of aa	% Iden- tical aa
otsA	Q50167	Mycobacterium leprae	498	48	28
otsA	O06353	Mycobacterium tuberculosis	500	47	23
tpsB	Q00217	Aspergillus niger	480	46	31
tpsA	Q00075	Aspergillus niger	517	44	31
tps	Q92410	Candida albicans	478	44	32
tps1	Q00764	Saccharomyces cerevisiae	495	44	5
ggs1	Q07158	Kluyveromyces lactis	488	43	20
otsA	P31677	Escherichia coli	473	42	16
tps1	P40387	Schizosaccharomyces pombe	479	42	6
otsA	P55612	Rhizobium sp.	464	39	9

^aAmino acid sequence comparisons were performed by using BLAST (2). The sequence of Synechocystis protein Sll1566 (GGPS or OtsA) which is 499 amino acids (aa) in length, was compared with those of several trehalose-phosphate synthases.