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Literature summary for 3.2.1.158 extracted from

  • Flament, D.; Barbeyron, T.; Jam, M.; Potin, P.; Czjzek, M.; Kloareg, B.; Michel, G.
    Alpha-agarases define a new family of glycoside hydrolases, distinct from beta-agarase families (2007), Appl. Environ. Microbiol., 73, 4691-4694.
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
agaA gene isolated from a genomic library of Alteromonas agarilytica, alpha-agarase precursor of 1429 amino acid residues, expressed in Escherichia coli, novel catalytic domain defines a new GH family Alteromonas agarilytica

Molecular Weight [Da]

Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
154000
-
deduced from amino acid sequence of pre-protein of 1429 residues Alteromonas agarilytica

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
agarose + H2O Alteromonas agarilytica
-
agarotetraose + ?
-
?

Organism

Organism UniProt Comment Textmining
Alteromonas agarilytica Q9LAP7 alpha-agarase precursor
-

Purification (Commentary)

Purification (Comment) Organism
-
Alteromonas agarilytica

Source Tissue

Source Tissue Comment Organism Textmining
culture supernatant
-
Alteromonas agarilytica
-

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
-
degradation of agarose observed after cultivation of transformed Escherichia coli cells harbouring the agaA gene of Alteromonas agarilytica on Zd agar broth at 22°C Alteromonas agarilytica

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
agarose + H2O
-
Alteromonas agarilytica agarotetraose + ?
-
?

Subunits

Subunits Comment Organism
More includes the peptides A and B, signal peptide of 26 residues, cleaved between A26 and E27 Alteromonas agarilytica

Synonyms

Synonyms Comment Organism
alpha-agarase
-
Alteromonas agarilytica

Temperature Optimum [°C]

Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
22
-
cultivation of Eschericha coli cells harbouring the agaA gene, agarose lysis observed after one week on Zd agar broth Alteromonas agarilytica