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Literature summary for 3.2.1.18 extracted from

  • Chigwechokha, P.K.; Komatsu, M.; Itakura, T.; Shiozaki, K.
    Nile Tilapia Neu3 sialidases: molecular cloning, functional characterization and expression in Oreochromis niloticus (2014), Gene, 552, 155-164.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expressed in HEK-293 cells Oreochromis niloticus

Localization

Localization Comment Organism GeneOntology No. Textmining
cytosol
-
Oreochromis niloticus 5829
-
plasma membrane
-
Oreochromis niloticus 5886
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
43600
-
x * 43600, isoform Neu3e, SDS-PAGE Oreochromis niloticus
44400
-
x * 44400, isoform Neu3d, SDS-PAGE Oreochromis niloticus
45900
-
x * 45900, isoform Neu3a, SDS-PAGE Oreochromis niloticus

Organism

Organism UniProt Comment Textmining
Oreochromis niloticus A0A024FS29 isoform Neu3d; Nile tilapia
-
Oreochromis niloticus A0A024FSF5 isoform Neu3e; Nile tilapia
-
Oreochromis niloticus I3JCG9 isoform Neu3a; Nile tilapia
-

Source Tissue

Source Tissue Comment Organism Textmining
brain significant expression of isoform Neu3a Oreochromis niloticus
-
brain significant expression of isoform Neu3e Oreochromis niloticus
-
eye significant expression of isoform Neu3d Oreochromis niloticus
-
heart significant expression of isoform Neu3d Oreochromis niloticus
-
liver significant expression of isoform Neu3a Oreochromis niloticus
-
liver significant expression of isoform Neu3d Oreochromis niloticus
-
spleen significant expression of isoform Neu3a Oreochromis niloticus
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
3'-sialyllactose + H2O
-
Oreochromis niloticus sialic acid + lactose
-
?
4-methylumbelliferyl-alpha-D-N-acetylneuraminic acid + H2O
-
Oreochromis niloticus 4-methylumbelliferone + N-acetylneuraminic acid
-
?
6'-sialyllactose + H2O
-
Oreochromis niloticus sialic acid + lactose
-
?
6'-sialyllactose + H2O isoform Neu3a shows low activity Oreochromis niloticus sialic acid + lactose
-
?
colominic acid + H2O
-
Oreochromis niloticus ?
-
?
fetuin + H2O
-
Oreochromis niloticus ?
-
?
fetuin + H2O isoform Neu3a shows low activity Oreochromis niloticus ?
-
?
ganglioside GD1a + H2O
-
Oreochromis niloticus ?
-
?
ganglioside GD3 + H2O
-
Oreochromis niloticus ?
-
?
ganglioside GD3 + H2O isoform Neu3a shows highest activity with ganglioside GD3 Oreochromis niloticus ?
-
?
ganglioside GM3 + H2O
-
Oreochromis niloticus ?
-
?
additional information isoform Neu3a shows no activity with ganglioside GM1 Oreochromis niloticus ?
-
?
additional information sialidase activities are not observed towards various sialoglycoconjugates Oreochromis niloticus ?
-
?
submaximally mucin + H2O
-
Oreochromis niloticus ?
-
?
submaximally mucin + H2O isoform Neu3a shows low activity Oreochromis niloticus ?
-
?

Subunits

Subunits Comment Organism
? x * 43600, isoform Neu3e, SDS-PAGE Oreochromis niloticus
? x * 44400, isoform Neu3d, SDS-PAGE Oreochromis niloticus
? x * 45900, isoform Neu3a, SDS-PAGE Oreochromis niloticus

Synonyms

Synonyms Comment Organism
Neu3a isoform Oreochromis niloticus
Neu3d isoform Oreochromis niloticus
Neu3e isoform Oreochromis niloticus
sialidase
-
Oreochromis niloticus

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
4.6
-
-
Oreochromis niloticus