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Literature summary extracted from

  • Ogunlabi, O.O.; Agboola, F.K.
    A soluble beta-cyanoalanine synthase from the gut of the variegated grasshopper Zonocerus variegatus (L.) (2007), Insect Biochem. Mol. Biol., 37, 72-79.
    View publication on PubMed

Application

EC Number Application Comment Organism
4.4.1.9 agriculture enzyme may be responsible for the ability to detoxify cyanide in insect pest and hence responsible for tolerance of the cyanogenic cassava plant, this ability can possibly be compromised by enzyme inhibition, and may lead, in the long term, to the potential use of this enzyme as drug target for pest control Zonocerus variegatus

KM Value [mM]

EC Number KM Value [mM] KM Value Maximum [mM] Substrate Comment Organism Structure
4.4.1.9 0.39
-
L-cysteine
-
Zonocerus variegatus
4.4.1.9 6.25
-
NaCN
-
Zonocerus variegatus

Localization

EC Number Localization Comment Organism GeneOntology No. Textmining
4.4.1.9 cytosol
-
Zonocerus variegatus 5829
-

Molecular Weight [Da]

EC Number Molecular Weight [Da] Molecular Weight Maximum [Da] Comment Organism
4.4.1.9 23250
-
2 * 23250, SDS-PAGE Zonocerus variegatus
4.4.1.9 552300
-
gel filtration Zonocerus variegatus

Organism

EC Number Organism UniProt Comment Textmining
4.4.1.9 Zonocerus variegatus
-
-
-

Purification (Commentary)

EC Number Purification (Comment) Organism
4.4.1.9 by ion-exchange chromatography and gel filtration Zonocerus variegatus

Source Tissue

EC Number Source Tissue Comment Organism Textmining
4.4.1.9 gut
-
Zonocerus variegatus
-

Specific Activity [micromol/min/mg]

EC Number Specific Activity Minimum [µmol/min/mg] Specific Activity Maximum [µmol/min/mg] Comment Organism
4.4.1.9 0.00216
-
-
Zonocerus variegatus
4.4.1.9 0.0375
-
purified enzyme Zonocerus variegatus

Substrates and Products (Substrate)

EC Number Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
4.4.1.9 L-cysteine + NaCN
-
Zonocerus variegatus L-3-cyanoalanin + Na2S
-
?

Subunits

EC Number Subunits Comment Organism
4.4.1.9 homodimer 2 * 23250, SDS-PAGE Zonocerus variegatus

Synonyms

EC Number Synonyms Comment Organism
4.4.1.9 beta-CAS
-
Zonocerus variegatus
4.4.1.9 beta-cyano-L-alanine synthase
-
Zonocerus variegatus
4.4.1.9 beta-cyanoalanine synthase
-
Zonocerus variegatus
4.4.1.9 L-cysteine: hydrogen sulphide lyase
-
Zonocerus variegatus

Temperature Optimum [°C]

EC Number Temperature Optimum [°C] Temperature Optimum Maximum [°C] Comment Organism
4.4.1.9 30
-
-
Zonocerus variegatus

Temperature Stability [°C]

EC Number Temperature Stability Minimum [°C] Temperature Stability Maximum [°C] Comment Organism
4.4.1.9 additional information
-
activity reduces to near zero at 45°C Zonocerus variegatus

pH Optimum

EC Number pH Optimum Minimum pH Optimum Maximum Comment Organism
4.4.1.9 8.5
-
activity in phosphate buffer and Tris-HCl buffer Zonocerus variegatus
4.4.1.9 9
-
activity in borate buffer Zonocerus variegatus

pH Range

EC Number pH Minimum pH Maximum Comment Organism
4.4.1.9 5 11
-
Zonocerus variegatus