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Literature summary for 3.4.24.B16 extracted from

  • Kessler, E.; Safrin, M.; Gustin, J.K.; Ohman, D.E.
    Elastase and the LasA protease of Pseudomonas aeruginosa are secreted with their propeptides (1998), J. Biol. Chem., 273, 30225-30231.
    View publication on PubMed

Localization

Localization Comment Organism GeneOntology No. Textmining
extracellular
-
Pseudomonas aeruginosa
-
-

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
20000
-
x * 20000, LasA, SDS-PAGE, x * 42000, proLasA, SDS-PAGE Pseudomonas aeruginosa
42000
-
x * 20000, LasA, SDS-PAGE, x * 42000, proLasA, SDS-PAGE Pseudomonas aeruginosa

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
protein + H2O Pseudomonas aeruginosa
-
peptides
-
?
protein + H2O Pseudomonas aeruginosa FRD740
-
peptides
-
?

Organism

Organism UniProt Comment Textmining
Pseudomonas aeruginosa
-
-
-
Pseudomonas aeruginosa FRD740
-
-
-

Posttranslational Modification

Posttranslational Modification Comment Organism
proteolytic modification no autoproteolysis, enzyme is synthesized as a pre-proLasA, the signal sequence of pre-proLasA is cleaved off by a signal peptidase, the remaining inactive 42 kDa proLasA is secreted to the extracellular space, where the proform is cleaved to the mature active enzyme via a 28 kDa intermediate, plus a 14 kDa fragment, by elastase and a lysine specific protease, not by alkaline proteinase Pseudomonas aeruginosa

Purification (Commentary)

Purification (Comment) Organism
from culture supernatant Pseudomonas aeruginosa

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
protein + H2O
-
Pseudomonas aeruginosa peptides
-
?
protein + H2O
-
Pseudomonas aeruginosa FRD740 peptides
-
?

Subunits

Subunits Comment Organism
? x * 20000, LasA, SDS-PAGE, x * 42000, proLasA, SDS-PAGE Pseudomonas aeruginosa

Synonyms

Synonyms Comment Organism
M23.002 Merops-ID Pseudomonas aeruginosa
staphylolysin
-
Pseudomonas aeruginosa