>4QN5_1|Chains A, B|Neuraminidase|Influenza A virus (A/mallard duck/ALB/60/1976(H12N5)) (352705) PEFLNNTEPLCNVSGFAIVSKDNGIRIGSRGHVFVIREPFVACGPTECRTFFLTQGALLNDKHSNNTVKDRSPYRALMSVPLGSSPNAYQAKFESVAWSATACHDGKKWLAVGISGADDDAYAVIHYGGMPTDVVRSWRKQILRTQESSCVCMNGNCYWVMTDGPANSQASYKIFKSHEGMVTNEREVSFQGGHIEECSCYPNLGKVECVCRDNWNGMNRPILIFDEDLDYEVGYLCAGIPTDTPRVQDSSFTGSCTNAVGGSGTNNYGVKGFGFRQGNSVWAGRTVSISSRSGFEILLIEDGWIRTSKTIVKKVEVLNNKNWSGYSGAFTIPITMTSKQCLVPCFWLEMIRGKPEERTSIWTSSSSTVFCGVSSEVPGWSWDDGAILPFDIDKM