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Literature summary for 3.5.1.44 extracted from

  • Suppavorasatit, I.; Cadwallader, K.R.
    Effect of enzymatic deamidation of soy protein by protein-glutaminase on the flavor-binding properties of the protein under aqueous conditions (2012), J. Agric. Food Chem., 60, 7817-7823.
    View publication on PubMed

Organism

Organism UniProt Comment Textmining
Chryseobacterium proteolyticum Q9AQQ8
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Source Tissue

Source Tissue Comment Organism Textmining
commercial preparation
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Chryseobacterium proteolyticum
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Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
protein L-glutamine + H2O soybean protein SPI Profam 974, 43.7% degree of deamidation Chryseobacterium proteolyticum protein L-glutamate + NH3
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Synonyms

Synonyms Comment Organism
protein-glutaminase
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Chryseobacterium proteolyticum

General Information

General Information Comment Organism
additional information effect of the enzymatic deamidation by protein-glutaminase on flavor-binding properties of soy protein isolate under aqueous conditions, overview. The partial deamidation of soybean protein by the enzyme decreases the overall flavor-binding affinity at 25°C for both vanillin and maltol by approximately 9 and 4fold, respectively. Deamidation of soy protein causes a change in the mechanism of binding from hydrophobic interactions or covalent bonding (Schiff base formation) to weaker van der Waals forces or hydrogen bonding, thermodynamics, overview Chryseobacterium proteolyticum