Table 4. Two most frequent EPIYA segments^a.

	Segment	Ratio
AC	KELNAKLGNFNNNNNNGLKN..EPIYAKVNKKK	53/272
AC	KELNAKLGNFNNNNNNGLKNSTEPIYAKVNKKK	22/272
AD	KELNEKLFGNSNNNNNGLKNNTEPIYAQVNKKK	53/272
AD	XXXXXKLFGNSNNNNNGLKNNTEPIYAQVNKKK	22/272
BC	TGQVASPEEPIYAQVAKKVNAKIDRLNQIASGLGGVGQAAG	25/262
BC	AGQAASPEEPIYAQVAKKVNAKIDRLNQIASGLGGVGQAAG	19/262
BD	TGQATSPEEPIYAQVAKKVSAKIDQLNEATS	25/262
BD	TGQVASPEEPIYAQVAKKVSAKIDQLNEATS	19/262
C	FPLKRHDKVDDLSKVGRSVSPEPIYATIDDLGGP	144/343
C	FPLKRHDKVDDLSKVGRAVSPEPIYATIDDLGGP	50/343
D	AINRKIDRINKIASAGKGVGGFSGAGRSASPEPIYATIDFDEAN	144/343
D	AINRKIDRINKIASAGKGVGGFSGAGRSASPEPIYATIDFDETN	50/343

^aX represents unknown amino acids; the amino acids which are different in two sequences shown are highlighted; Ratio  =  (Frequency of the type)/(Total frequency).