The nucleotide sequence analysis showed that ATCC27853 shared 98% alignment with PA103. The mutations in amino acid sequence are: Asn-364 to Ser;

• 测序表明,ATCC27853与PA103核苷酸同源性为98%25,产生了7个碱基的突变,突变碱基导致第364位的天冬酰胺变成丝氨酸,第506位的丝氨酸变成色氨酸,第515位的丝氨酸变成甘氨酸。