>4K3Y_1|Chains A, B, C, D|neuraminidase|Influenza A virus (11320) GSPSRATPLVLGENLCSINGWVPTYRGEGTTGKIPDEQMLTRQNFVSCSDKECRRFFVSMGYGTTTNFADLIVSEQMNVYSVKLGDPPTPDKLKFEAVGWSASSCHDGFQWTVLSVAGDGFVSILYGGIITDTIHPTNGGPLRTQASSCICNDGTCYTIIADGTTYTASSHRLYRLVNGTSAGWKALDTTGFNFEFPTCYYTSGKVKCTGTNLWNDAKRPFLEFDQSFTYTFKEPCLGFLGDTPRGIDTTNYCDKTTTEGEGGIQGFMIEGSNSWIGRIINPGSKKGFEIYKFLGTLFSVQTVGNRNYQLLSNSTIGRSGLYQPAYESRDCQELCFWIEIAATTKAGLSSNDLITFCGTGGSMPDVNWG