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Literature summary for 3.4.21.53 extracted from

  • Roudiak, S.G.; Seth, A.; Knipfer, N.; Shrader, T.E.
    The lon protease from Mycobacterium smegmatis: molecular cloning, sequence analysis, functional expression, and enzymatic characterization (1998), Biochemistry, 37, 377-386.
    View publication on PubMed

Activating Compound

Activating Compound Comment Organism Structure
additional information stimulated by unfolded protein and supported by nonhydrolyzed nucleotide analogs Mycolicibacterium smegmatis

Cloned(Commentary)

Cloned (Comment) Organism
cloned and expressed in Escherichia coli MC1061 Mycolicibacterium smegmatis

Protein Variants

Protein Variants Comment Organism
S675A constructed mutation of the active site region Mycolicibacterium smegmatis
S675C constructed mutation of the active site region Mycolicibacterium smegmatis
S675T constructed mutation of the active site region Mycolicibacterium smegmatis

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
87000
-
4 * 87000, homotetramer Escherichia coli

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
RcsA + H2O Escherichia coli protein degradation mediates the turnover of damaged proteins ?
-
?

Organism

Organism UniProt Comment Textmining
Escherichia coli
-
-
-
Mycolicibacterium smegmatis
-
ATCC 607
-

Purification (Commentary)

Purification (Comment) Organism
-
Mycolicibacterium smegmatis

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
Gln-Ala-Ala-Phe-p-nitroanilide + H2O preferred substrate Mycolicibacterium smegmatis ?
-
?
additional information succinyl-Leu-Leu-Val-Tyr-4-methylcoumarin-7-amide is not cleaved Mycolicibacterium smegmatis ?
-
?
RcsA + H2O
-
Escherichia coli ?
-
?
RcsA + H2O
-
Mycolicibacterium smegmatis ?
-
?
RcsA + H2O protein degradation mediates the turnover of damaged proteins Escherichia coli ?
-
?

Subunits

Subunits Comment Organism
tetramer 4 * 87000, homotetramer Escherichia coli

Synonyms

Synonyms Comment Organism
lon protease
-
Escherichia coli
lon protease
-
Mycolicibacterium smegmatis
Ms-Lon
-
Mycolicibacterium smegmatis