>sp|Q2YCK7|APAH_NITMU Bis(5'-nucleosyl)-tetraphosphatase, symmetrical OS=Nitrosospira multiformis GN=apaH MAIYAVGDLQGCYREFRELLDLVRFDETKDKLWLVGDLVNRGPDSLSVLRFVKELNDSAI MVLGNHDLHLLLVAEGCAELSRSDTLQNILDAPDRDELLDWLRRQKLLHVDGNYVMVHAG LLPSWSIEQAQVLAALVESALRGSEFHEFCRQMYGNRPDHWNETLHGYERLRVIVNAMTR MRVCTPHGRMDFAHKGSVKDIPPGYLPWFDVPERASRKATVICGHWSALGLEIRANLMAL DTGCLWGGSLTAVRLEDRKVFQTECGAGGATRHWQ