Diversity of 3′ variable region of cagA gene in Helicobacter pylori strains isolated from Chinese population

Table 4 Distribution of the first four amino acids following EPIYA motifs

Type	EPIYA-D		EPIYA-C	Total
Type	Occurrence and short segment	Total	Occurrence and short segment	Total
A	356 QVNK, 119 KVNK, 4 EVNK, 4 QVAK	483	16 KVNK, 6 EVNK	22
B	477 QVAK, 60 QVNK, 4 KVNK, 3 QIAK, 2 QVTK, 2 QVAR, 1 QLTK, 1 QITK, 1 QVAQ, 1 QVNG	552	22 QVAK	22
C/D	480 TIDF	480	24 TIDD, 2 TIDE, 2 TIED	28

ISSN: 1757-4749