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Literature summary for 3.5.1.1 extracted from

  • Faret, M.; de Morais, S.B.; Zanchin, N.I.T.; de Souza, T.A.C.B.
    L-Asparaginase from Erwinia carotovora insights about its stability and activity (2019), Mol. Biol. Rep., 46, 1313-1316 .
    View publication on PubMed

Cloned(Commentary)

Cloned (Comment) Organism
expression in Escherichia coli Pectobacterium carotovorum

Organism

Organism UniProt Comment Textmining
Pectobacterium carotovorum
-
-
-

Purification (Commentary)

Purification (Comment) Organism
recombinant enzyme, changes in the solubilization conditions of the L-asparaginase may increase by up to 25% its enzymatic activity Pectobacterium carotovorum

Specific Activity [micromol/min/mg]

Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
additional information
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L-asparaginase activity depends on buffers and ions and ranges from 386 I.U/mg in 50 mM sodium phosphate buffer pH 6.0, 375 mM NaCl up to 510 I.U/mg in 50 mM Tris-HCl pH 7.5, 500 mM NaCl Pectobacterium carotovorum

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
L-asparagine + H2O
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Pectobacterium carotovorum L-aspartate + NH3
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?

Temperature Stability [°C]

Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
34
-
melting temperature, 50 mM sodium phosphate buffer, pH 6.0, 375 mM NaCl Pectobacterium carotovorum
39
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melting temperature, 50 mM MES pH 6.0 Pectobacterium carotovorum
41.5
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melting temperature, 50 mM Tris-HCl pH 9.0 Pectobacterium carotovorum