>sp|A9QZZ2|APAH_YERPG Bis(5'-nucleosyl)-tetraphosphatase, symmetrical OS=Yersinia pestis bv. Antiqua GN=apaH MSTYLIGDIHGCLDELLALLAQVNFDPQQDTLWLTGDLVARGPASLDVLRYVRSLGPAVR MVLGNHDLHLLAVYAGISRNKPKDRITPLLDAPDADELINWLRRQPVLQVDDQLKLIMAH AGITPQWDIETAKMCAREVEAVLSSDSYPLFLDAMYGDMPNNWSPELTGLARLRFSTNAL TRMRFCFPNGQLDMICKDTPENAPAPLKPWFDLPRLVDPEYSIIFGHWASLEGKGVPEGI YGLDTGCCWGGDLTLLRWDDKRYFTQRAFKAEAEINNNNGFAAGEAVQH