>sp|B7N7S4|APAH_ECOLU Bis(5'-nucleosyl)-tetraphosphatase, symmetrical OS=Escherichia coli O17:K52:H18 GN=apaH MATYLIGDVHGCYDELIALLHKVEFTPGKDTLWLTGDLVARGPGSLDVLRYVKSLGDSVR LVLGNHDLHLLAVFAGISRNKPKDRLTPLLEAPDADELLNWLRRQPLLQIDEEKKLVMAH AGITPQWDLKTAKECARDVEAVLSSDSYPFFLDAMYGDMPNNWSPELRGLGRLRFITNAF TRMRFCFPNGQLDMYSKESPEEAPAPLKPWFAIPGPVAEEYSIAFGHWASLEGKGTPEGI YALDTGCCWGGTLTCLRWEDKHYFVQPSNRHKDLGEAAAS