>7U4E_1|Chains A, B, C, D|Neuraminidase|Influenza A virus (A/Bilthoven/17938/1969(H3N2)) (1086849) MNPNQKIITIGSVSLIIATVCFLMQIAILVTTVTLHFKQHECDSPSSNQVMLCEPIIIERNITEIVYLNNTTIEKETCPKLVEYRNWSKPQCKITGFAPFSKDNSIRLSAGGDIWVTREPYVSCDPGKCYQFALGQGTTLDNKHSNDTIHDRIPHRTLLMNELGVPFHLGTRQVCIAWSSSSCHDGKAWLHVCVTGDDKNATASFIYDGRLVDSIGSWSQNILRTQESECVCINGTCTVVMTDGSASGRADTRILFIEEGKIVHISPLSGSAQHVEECSCYPRYPDVRCICRDNWKGSNRPIVDINMKDYSIDSSYVCSGLVGDTPRNDDRSSKSNCRNPNNERGNHGVKGWAFDNGNDVWMGRTISKDLRSGYETFKVIGGWSTPNSKSQINRQVIVDSDNRSGYSGIFSVEGKSCINRCFYVELIRGREQETRVWWTSNSIVVFCGTSGTYGTGSWPDGANINFMPI