Amino acid deletions at positions 893 and 894 of cytotoxin-associated gene A protein affect Helicobacter pylori gastric epithelial cell interactions

Table 1 Sequence of primers used for cytotoxin-associated gene A site-directed mutagenesis

Primers	The sequence of primers (5’-3’)
C-F	CGCGAATTCATGACTAACGAAACCATCGATCAAACA
C-R	CGCCTCGAGTTAAGATTTCTGGAAACCACTTTTTGT
T-F	AATAATGGACTCAAAAACAACACAGAACCCATTTATGCTA
T-R	TAGCATAAATGGGTTCTGTGTTGTTTTTGAGTCCATTATT
E-F	AATAATGGACTCAAAAACAACGAAGAACCCATTTATGCTA
E-R	TAGCATAAATGGGTTCTTCGTTGTTTTTGAGTCCATTATT

The bold represent the restriction sites, and the italics represent the mutant codons.