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4.1.3.3: N-acetylneuraminate lyase

This is an abbreviated version!
For detailed information about N-acetylneuraminate lyase, go to the full flat file.

Word Map on EC 4.1.3.3

Reaction

aceneuramate
=
N-acetyl-D-mannosamine
+
pyruvate

Synonyms

Acetylneuraminate pyruvate-lyase, class I NAL, EcNanA, Lyase, acetylneuraminate, N-acetyl-d-neuraminic acid aldolase, N-acetyl-D-neuraminic acid lyase, N-Acetylneuraminate aldolase, N-Acetylneuraminate lyase, N-acetylneuraminate pyruvate lyase, N-Acetylneuraminate pyruvate-lyase, N-Acetylneuraminic acid aldolase, N-Acetylneuraminic acid lyase, N-Acetylneuraminic aldolase, N-Acetylneuraminic lyase, NAL, NALase, NanA, NANA lyase, Neu5Ac aldolase, Neu5Ac lyase, NeuAc aldolase, NeuAc lyase, Neuraminate aldolase, Neuraminic acid aldolase, Neuraminic aldolase, NPL, PmNanA, sialate aldolase, Sialate lyase, sialate-pyruvate lyase, Sialic acid aldolase, Sialic aldolase

ECTree

     4 Lyases
         4.1 Carbon-carbon lyases
             4.1.3 Oxo-acid-lyases
                4.1.3.3 N-acetylneuraminate lyase

pH Stability

pH Stability on EC 4.1.3.3 - N-acetylneuraminate lyase

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pH STABILITY
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
5 - 10
-
purified recombinant enzyme, 24 h, 4°C, different buffers, over 70% activity remains
727332
6 - 7
-
at 75°C stable for more than 15 min
33332
6 - 8
the enzyme maintains around 95% residual cleavage activity after 120 min incubation at pH 6.0, and 85% residual cleavage activity after 120 min incubation at pH 8.0
748534
6 - 9
-
at 37°C stable for 24 h
33314
6.5 - 11
-
about 80% activity (synthesis of N-acetylneuraminic acid) after 15 days at pH 8.0-10.0 and 37°C, 60% activity (synthesis of N-acetylneuraminic acid) after 15 days at pH 11.0 and 37°C
713843
7 - 10.5
-
spore-displayed N-acetyl-D-neuraminic acid aldolase is stable for 24 hours at 50°C
713852