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Literature summary for 3.2.1.17 extracted from

  • Huard, C.; Miranda, G.; Wessner, F.; Bolotin, A.; Hansen, J.; Foster, S.J.; Chapot-Chartier, M.P.
    Characterization of AcmB, an N-acetylglucosaminidase autolysin from Lactococcus lactis (2003), Microbiology, 149, 695-705.
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
acmB gene, AcmB devoid of its N-terminal domain, expression in Escherichia coli M15(pREP4), sequencing Lactococcus lactis

Protein Variants

Protein Variants Comment Organism
additional information acmB deletion/insertion mutants with lower autolysis rate/extend Lactococcus lactis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
57100
-
x * 57100, sequence calculation Lactococcus lactis

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
additional information Lactococcus lactis AcmB expression is modulated during cell growth, AcmB is not involved in cell separation but contributes to cellular autolysis ?
-
?

Organism

Organism UniProt Comment Textmining
Lactococcus lactis Q8KKF9 subsp. cremoris, strain MG1363
-

Purification (Commentary)

Purification (Comment) Organism
recombinant AcmB Lactococcus lactis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
additional information AcmB expression is modulated during cell growth, AcmB is not involved in cell separation but contributes to cellular autolysis Lactococcus lactis ?
-
?
peptidoglycan + H2O AcmB is an N-acetylglucosaminidase autolysin, three-domain modular structure, hydrolyzes peptidoglycans of several Gram-positive bacteria including Lactococcus lactis, AcmB hydrolyzes the peptidoglycan bonds in Bacillus subtilis HR vegetative cells between N-acetylglucosamine and N-acetylmuramic acid thus being an N-acetylglucosaminidase Lactococcus lactis ?
-
?

Subunits

Subunits Comment Organism
? x * 57100, sequence calculation Lactococcus lactis

Synonyms

Synonyms Comment Organism
AcmB
-
Lactococcus lactis
N-acetylglucosaminidase autolysin
-
Lactococcus lactis

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
37
-
assay at Lactococcus lactis

pH Optimum

pH Optimum Minimum pH Optimum Maximum Comment Organism
4
-
assay at Lactococcus lactis

pH Range

pH Minimum pH Maximum Comment Organism
additional information
-
active at acidic pH Lactococcus lactis

pI Value

Organism Comment pI Value Maximum pI Value
Lactococcus lactis sequence calculation
-
4.9