>sp|A8ALQ2|APAH_CITK8 Bis(5'-nucleosyl)-tetraphosphatase, symmetrical OS=Citrobacter koseri GN=apaH MATYLIGDVHGCYDELIALLHQVEFTPGSDTLWLTGDLVARGPGSLEVLRYVKSLGDCVR LVLGNHDLHLLAVFAGISRNKPKDRLTPLLEAPDADELLNWLRRQPLLQVDEEKKLVMAH AGITPQWDLQTAKDCARDVEAVLSSDSYPFFLDAMYGDMPNNWTPELTGLARLRFITNAF TRMRYCFPNGQLDMYSKESPENAPAPLKPWFAIPGPVSEAYSIVFGHWASLEGKGTPEGI YGLDTGCCWGGDLTCLRWEDKRYFVQPSNRHLDSGKGEAVNA