Molecular function

N-acetylneuraminate aldolase activity, N-acetylneuraminate pyruvate-lyase (N-acetyl-D-mannosamine-forming), N-acetylneuraminate pyruvate-lyase activity, N-acetylneuraminic acid aldolase activity, N-acetylneuraminic acid lyase activity, N-acetylneuraminic aldolase activity, N-acetylneuraminic lyase activity, NALase activity, NANA lyase activity, NPL, acetylneuraminate lyase activity, acetylneuraminate pyruvate-lyase activity, neuraminate aldolase activity, neuraminic acid aldolase activity, neuraminic aldolase activity, sialate lyase activity, sialic acid aldolase activity, sialic aldolase activity

Catalysis of the reaction: N-acetylneuraminate = N-acetyl-D-mannosamine + pyruvate.