>1z4v_A mol:protein length:532 Hemagglutinin-neuraminidase SPSESLITQKQIMSQAGSTGSNSGLGSITDLLNNILSVANQIIYNSAVALPLQLDTLES TLLTAIKSLQTSDKLEQNCSWSAALINDNRYINGINQFYFSIAEGRNLTLGPLLNMPSF IPTATTPEGCTRIPSFSLTKTHWCYTHNVILNGCQDHVSSNQFVSMGIIEPTSAGFPFF RTLKTLYLSDGVNRKSCSISTVPGGCMMYCFVSTQPERDDYFSAAPPEQRIIIMYYNDT IVERIINPPGVLDVWATLNPGTGSGVYYLGWVLFPIYGGVIKGTSLWNNQANKYFIPQM VAALCSQNQATQVQNAKSSYYSSWFGNRMIQSGILACPLRQDLTNECLVLPFSNDQVLM GAEGRLYMYGDSVYYYQRSNSWWPMTMLYKVTITFTNGQPSAISAQNVPTQQVPRPGTG DCSATNRCPGFCLTGVYADAWLLTNPSSTSTFGSEATFTGSYLNTATQRINPTMYIANN TQIISSQQFGSSGQEAAYGHTTCFRDTGSVMVYCIYIIELSSSLLGQFQIVPFIRQVTL S