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2.5.1.56: N-acetylneuraminate synthase

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

Word Map on EC 2.5.1.56

Reaction

phosphoenolpyruvate
+
N-acetyl-D-mannosamine
+
H2O
=
phosphate
+
N-acetylneuraminate

Synonyms

(NANA) condensing enzyme, EC 4.1.3.19, N-acetylneuraminate lyase synthase, N-acetylneuraminate pyruvate-lyase (pyruvate-phosphorylating), N-acetylneuraminic acid condensing enzyme, N-acetylneuraminic acid synthase, NANA condensing enzyme, NANA synthase, NANAS, NANS, NeuAc synthase, NeuB, NeuB1, NeuNAc synthase, NmeNANAS, sialic acid synthase, synthase, N-acetylneuraminate

ECTree

     2 Transferases
         2.5 Transferring alkyl or aryl groups, other than methyl groups
             2.5.1 Transferring alkyl or aryl groups, other than methyl groups (only sub-subclass identified to date)
                2.5.1.56 N-acetylneuraminate synthase

Temperature Range

Temperature Range on EC 2.5.1.56 - N-acetylneuraminate synthase

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TEMPERATURE RANGE
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
20 - 60
-
about 60% of maximal activity at 20°C and at 60°C
5 - 50
the relative enzyme activity is approximately 20% at 5°C, and increasing to a maximum at around 30°C, and decreases rapidly above 30°C, no activity remains at 55°C. The enzyme from a psychrophilic bacterium, MvNeuB, is less stable at higher temperature and has a high catalytic activity at lower temperature compared to mesophilic counterparts. MvNeuB is a typical cold adapted enzyme