>sp|Q9BXD5-4|NPL_HUMAN Isoform 4 of N-acetylneuraminate lyase OS=Homo sapiens OX=9606 GN=NPL MAFPKKKLQGLVAATITPMTENGEINFSVIGQYVDYLVKEQGVKNIFVNGTTGEGLSLSV SERRQVAEEWVTKGKDKLDQVIIHVGALSLKESQELAQHAAEIGADGIAVIAPFFLKPWT KDILINFLKEVAAAAPALPFYYYHIPALTGVKIRAEELLDGILDKIPTFQGLKFSDTDLL DFGQCVDQNRQQQFAFLFGVDEFCIQRFINFVVKLENSKLKVSKNQRTLPLGTTNFPFLH