>1w21_B mol:protein length:389  NEURAMINIDASE
RTFLNLTKPLCEVNSWHILSKDNAIRIGEDAHILVTREPYLSCDPQGCRMFALSQGTTL
RGRHANGTIHDRSPFRALISWEMGQAPSPYNTRVECIGWSSTSCHDGMSRMSICMSGPN
NNASAVVWYGGRPITEIPSWAGNILRTQESECVCHKGVCPVVMTDGPANNRAATKIIYF
KEGKIQKIEELAGNAQHIEECSCYGAGGVIKCICRDNWKGANRPVITIDPEMMTHTSKY
LCSKVLTDTSRPNDPTNGNCDAPITGGSPDPGVKGFAFLDGENSWLGRTISKDSRSGYE
MLKVPNAETDIQSGPISNQVIVNNQNWSGYSGAFIDYWANKECFNPCFYVELIRGRPKE
SSVLWTSNSIVALCGSKKRLGSWSWHDGAEIIYFE