Any feedback?
Please rate this page
(literature.php)
(0/150)

BRENDA support

Literature summary for 2.4.1.10 extracted from

  • Bergeron, L.J.; Burne, R.A.
    Roles of fructosyltransferase and levanase-sucrase of Actinomyces naeslundii in fructan and sucrose metabolism (2001), Infect. Immun., 69, 5395-5402.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
expression in Actinomyces naeslundii strain Lev1 Actinomyces naeslundii
overexpression as His-tagged protein in Escherichia coli strain His-Is M15 and DH10B, partial gene ftf without the predicted signal sequence Actinomyces naeslundii

Protein Variants

Protein Variants Comment Organism
additional information allelic mutagenesis of wild-type strain, inactivation of ftf gene, no remaining levansucrase activity in the mutated strain Actinomyces naeslundii
T14V levanase-deficient mutant Actinomyces naeslundii

Localization

Localization Comment Organism GeneOntology No. Textmining
cell associated
-
Actinomyces naeslundii
-
-
extracellular
-
Actinomyces naeslundii
-
-

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
sucrose + (2,6-beta-D-fructosyl)n Actinomyces naeslundii enzyme is probably involved in initiation and progression of dental caries and periodontal diseases glucose + (2,6-beta-D-fructosyl)n+1
-
?
sucrose + (2,6-beta-D-fructosyl)n Actinomyces naeslundii capacity to produce extracellular homopolysaccharides of fructose, modulation of the composition of the biofilms that form on teeth alpha-D-glucose + (2,6-beta-D-fructosyl)n+1
-
?
sucrose + (2,6-beta-D-fructosyl)n Actinomyces naeslundii WVU45 enzyme is probably involved in initiation and progression of dental caries and periodontal diseases glucose + (2,6-beta-D-fructosyl)n+1
-
?
sucrose + (2,6-beta-D-fructosyl)n Actinomyces naeslundii WVU45 capacity to produce extracellular homopolysaccharides of fructose, modulation of the composition of the biofilms that form on teeth alpha-D-glucose + (2,6-beta-D-fructosyl)n+1
-
?

Organism

Organism UniProt Comment Textmining
Actinomyces naeslundii
-
-
-
Actinomyces naeslundii
-
gene ftf
-
Actinomyces naeslundii WVU45
-
-
-
Actinomyces naeslundii WVU45
-
gene ftf
-

Posttranslational Modification

Posttranslational Modification Comment Organism
no modification
-
Actinomyces naeslundii

Purification (Commentary)

Purification (Comment) Organism
recombinant His-tagged enzyme from E. coli Actinomyces naeslundii
SDS-PAGE, immobilon-P membrane Actinomyces naeslundii

Source Tissue

Source Tissue Comment Organism Textmining
culture supernatant
-
Actinomyces naeslundii
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
0.1217
-
sucrose, in culture supernatants Actinomyces naeslundii
0.13
-
glucose, in culture supernatants Actinomyces naeslundii
2.562
-
glucose, in wild-type strain Actinomyces naeslundii
3.747
-
sucrose, in wild-type strain Actinomyces naeslundii

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
inulin + H2O
-
Actinomyces naeslundii ?
-
?
inulin + H2O
-
Actinomyces naeslundii WVU45 ?
-
?
sucrose + (2,6-beta-D-fructosyl)n reverse reaction is probably catalyzed by a different levanase Actinomyces naeslundii glucose + (2,6-beta-D-fructosyl)n+1
-
?
sucrose + (2,6-beta-D-fructosyl)n enzyme is probably involved in initiation and progression of dental caries and periodontal diseases Actinomyces naeslundii glucose + (2,6-beta-D-fructosyl)n+1
-
?
sucrose + (2,6-beta-D-fructosyl)n reverse reaction is probably catalyzed by a different levanase Actinomyces naeslundii WVU45 glucose + (2,6-beta-D-fructosyl)n+1
-
?
sucrose + (2,6-beta-D-fructosyl)n enzyme is probably involved in initiation and progression of dental caries and periodontal diseases Actinomyces naeslundii WVU45 glucose + (2,6-beta-D-fructosyl)n+1
-
?
sucrose + (2,6-beta-D-fructosyl)n
-
Actinomyces naeslundii alpha-D-glucose + (2,6-beta-D-fructosyl)n+1
-
?
sucrose + (2,6-beta-D-fructosyl)n capacity to produce extracellular homopolysaccharides of fructose, modulation of the composition of the biofilms that form on teeth Actinomyces naeslundii alpha-D-glucose + (2,6-beta-D-fructosyl)n+1
-
?
sucrose + (2,6-beta-D-fructosyl)n
-
Actinomyces naeslundii WVU45 alpha-D-glucose + (2,6-beta-D-fructosyl)n+1
-
?
sucrose + (2,6-beta-D-fructosyl)n capacity to produce extracellular homopolysaccharides of fructose, modulation of the composition of the biofilms that form on teeth Actinomyces naeslundii WVU45 alpha-D-glucose + (2,6-beta-D-fructosyl)n+1
-
?

Subunits

Subunits Comment Organism
? x * 68000-72000 Actinomyces naeslundii

Synonyms

Synonyms Comment Organism
levanase-sucrase
-
Actinomyces naeslundii
LevJ
-
Actinomyces naeslundii