>sp|P92492|NU4M_AGKCO NADH-ubiquinone oxidoreductase chain 4 OS=Agkistrodon contortrix contortrix GN=MT-ND4 PIAGSMVLAAILLKLGGYGIIRMMQILPTTKTDMFLPFVVLALWGAILANLTCLQQTDLK SLIAYSSISHMGLVVAAIIIQTPWGLSGAMALMIAHGFTSSALFCLANTTYERTHTRILI LTRGLHNILPMATTWWLLTNLMNIAVPPTMNFTGELLIMSALFNWCPTTIIMLGLSMLIT ASYSLHMFLSTQMGPTLLNNQTEPTHSREHLLMILHLIPLMMISMKPELVI