>tr|A0A509C4A2|A0A509C4A2_9ENTR Bis(5'-nucleosyl)-tetraphosphatase, symmetrical OS=Salmonella sp. NCTC 3046 GN=apaH MATYLIGDVHGCYDELIALLQQVEFTPDTDTLWLTGDLVARGPGSLDVLRYVKSLGNSVR LVLGNHDLHLLAVFAGISRNKPKDRLTPLLEAPDADELLNWLRRQPLLQVDEEKKLVMAH AGITPQWDLQTAKECARDVEAVLSSDSYPFFLDAMYGDMPNNWSPELSGLARLRFITNAF TRMRYCFPNGQLDMYSKASPENAPAPLKPWFAIPGPVSEAYSIAFGHWASLEGKGTPEGI YALDTGCCWGGELTCLRWEDKQYFVQPSNRQMDMGEGEAVNA