Table 1.

AGPs predicted from the rice genome based on the biased amino acid composition and length

Databasea	PASTb	Total	Signal peptidec	AGPs	AG peptides	Extensins	PRPs	Othersd
RGAP	>55%	77	44	11	3	4	9	17
	>50%	246	128	19	4	7	12	86
	>40% (50–75)	161	76	ND	10	2	ND	64
	>35% (50–75)	346	127	ND	11	2	ND	114
RAP-DB	>55%	103	36	9	4	3	9	11
	>50%	271	99	17	5	7	13	57
	>40% (50–75)	85	27	ND	9	2	ND	16
	>35% (50–75)	153	42	ND	10	2	ND	30

^aRGAP, Rice Genome Annotation Project; RAP-DB, Rice Annotation Project Database.

^bPAST, the proportion of Pro, Ala, Ser, and Thr.

^cN-terminal signal peptides were determined by SignalP (Nielsen et al., 1997).

^dOthers, proteins rich in Ala, Ser, and Thr. ND, not determined.