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Literature summary extracted from

  • Elzainy, T.A.; Hassan, M.M.; Ali, T.H.
    Occurrence of L-serine (L-threonine) deaminating enzyme in filamentous fungi (2006), J. Biol. Sci., 6, 564-571.
No PubMed abstract available

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
4.3.1.17 0.27
-
 L-serine
-
 Aspergillus terreus
4.3.1.17 0.5
-
 L-threonine
-
 Aspergillus terreus

Natural Substrates/ Products (Substrates)

EC Number Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
4.3.1.17 L-serine Aspergillus niger
-
 pyruvate + NH3
-
 ?
4.3.1.17 L-serine Aspergillus terreus
-
 pyruvate + NH3
-
 ?
4.3.1.17 L-serine Aspergillus terricola
-
 pyruvate + NH3
-
 ?
4.3.1.17 L-serine Aspergillus niger NRRL 3
-
 pyruvate + NH3
-
 ?
4.3.1.17 L-threonine Aspergillus niger
-
 alpha-ketobutyrate + NH3
-
 ?
4.3.1.17 L-threonine Aspergillus terreus
-
 alpha-ketobutyrate + NH3
-
 ?
4.3.1.17 L-threonine Aspergillus terricola
-
 alpha-ketobutyrate + NH3
-
 ?
4.3.1.17 L-threonine Aspergillus niger NRRL 3
-
 alpha-ketobutyrate + NH3
-
 ?

Organism

EC Number Organism UniProt Comment Textmining
4.3.1.17 Aspergillus niger
-
 NRRL3
-
4.3.1.17 Aspergillus niger NRRL 3
-
 NRRL3
-
4.3.1.17 Aspergillus terreus
-
 DSM 826
-
4.3.1.17 Aspergillus terricola
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
4.3.1.17 proteins of crude extracts are fractionated using a DEAE-Sephadex A-25 column Aspergillus niger
4.3.1.17 proteins of crude extracts are fractionated using a DEAE-Sephadex A-25 column Aspergillus terreus
4.3.1.17 proteins of crude extracts are fractionated using a DEAE-Sephadex A-25 column Aspergillus terricola

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4.3.1.17 L-serine
-
 Aspergillus niger pyruvate + NH3
-
 ?
4.3.1.17 L-serine
-
 Aspergillus terreus pyruvate + NH3
-
 ?
4.3.1.17 L-serine
-
 Aspergillus terricola pyruvate + NH3
-
 ?
4.3.1.17 L-serine
-
 Aspergillus niger NRRL 3 pyruvate + NH3
-
 ?
4.3.1.17 L-threonine
-
 Aspergillus niger alpha-ketobutyrate + NH3
-
 ?
4.3.1.17 L-threonine
-
 Aspergillus terreus alpha-ketobutyrate + NH3
-
 ?
4.3.1.17 L-threonine
-
 Aspergillus terricola alpha-ketobutyrate + NH3
-
 ?
4.3.1.17 L-threonine
-
 Aspergillus niger NRRL 3 alpha-ketobutyrate + NH3
-
 ?

Synonyms

EC Number Synonyms Comment Organism
4.3.1.17 L-Serine deaminase
-
 Aspergillus niger
4.3.1.17 L-Serine deaminase
-
 Aspergillus terreus
4.3.1.17 L-Serine deaminase
-
 Aspergillus terricola
4.3.1.17 L-serine dehydratase
-
 Aspergillus niger
4.3.1.17 L-serine dehydratase
-
 Aspergillus terreus
4.3.1.17 L-serine dehydratase
-
 Aspergillus terricola
4.3.1.17 L-threonine deaminase
-
 Aspergillus niger
4.3.1.17 L-threonine deaminase
-
 Aspergillus terreus
4.3.1.17 L-threonine deaminase
-
 Aspergillus terricola
4.3.1.17 L-threonine dehydratase
-
 Aspergillus niger
4.3.1.17 L-threonine dehydratase
-
 Aspergillus terreus
4.3.1.17 L-threonine dehydratase
-
 Aspergillus terricola

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
4.3.1.17 50
-
 activity assay Aspergillus niger
4.3.1.17 50
-
 activity assay Aspergillus terreus
4.3.1.17 50
-
 activity assay Aspergillus terricola

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
4.3.1.17 8
-
 activity assay Aspergillus niger
4.3.1.17 8
-
 activity assay Aspergillus terreus
4.3.1.17 8
-
 activity assay Aspergillus terricola