>sp|Q1RGE8|APAH_ECOUT Bis(5'-nucleosyl)-tetraphosphatase, symmetrical OS=Escherichia coli GN=apaH MATYLIGDVHGCYDELIALLHKVEFTPGKDTLWLTGDLVARGPGSLDVLRYVKSLGDSVR LVLGNHDLHLLAVFAGISRNKPKDRLTPLLEAPDADELLNWLRRQPLLQIDKEKKLVMAH AGITPQWDLQTAKECARDVEAVLSSDSYPFFLDAMYGDMPNNWSPELRGLGRLRFITNAF TRMRFCFPNGQLDMYSKESPEEAPAPLKPWFAIPGPVAEEYNIAFGHWASLEGKGTPEGI YALDTGCCWGGTLTCLRWEDKQYFVQPSNRHKDLSEGEAVAS