>tr|A0A891SLH1|A0A891SLH1_ECOLX Bis(5'-nucleosyl)-tetraphosphatase, symmetrical OS=Escherichia coli O157:H- GN=apaH MATYLIGDVHGCYDELIALLHKVEFTPGKDTLWLTGDLVARGPGSLDVLRYVKSLGDSVR LVLGNHDLHLLAVFAGISRNKPKDRLTPLLEAPDADELLNWLRRQPLLQIDEEKKLVMAH AGITPQWDLQTAKECARDVEAVLSSDSYPFFLDAMYGDMPNNWSPELRGLGRLRFITNAF TRMRFCFPNGQLDMYSKESPEEAPAPLKPWFAIPGPVAEEYSIAFGHWASLEGKGTPEGI YALDTGCCWGGSLTCLRWEDKQYFVQPSNRHKDLGEGEAVAS