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4.4.1.9: L-3-cyanoalanine synthase

This is an abbreviated version!
For detailed information about L-3-cyanoalanine synthase, go to the full flat file.

Word Map on EC 4.4.1.9

Reaction

L-cysteine
+
hydrogen cyanide
=
L-3-cyanoalanine
+
hydrogen sulfide

Synonyms

AtcysC1, beta-CAS, beta-cyano-L-alanine synthase, beta-cyanoalanine synthase, beta-cyanoalanine synthetase, BsaS, Bsas3, BsasA, BsasB, CAS, CAS1, CAS2, cyanoalanine synthase, CYS-C1, L-cysteine hydrogen-sulfide-lyase, L-cysteine: hydrogen sulphide lyase, O-acetyl-L-serine sulfhydrylase, PCAS-1, PCAS-2, synthase,.beta.-cyanoalanine, Tu-CAS

ECTree

     4 Lyases
         4.4 Carbon-sulfur lyases
             4.4.1 Carbon-sulfur lyases (only sub-subclass identified to date)
                4.4.1.9 L-3-cyanoalanine synthase

Specific Activity

Specific Activity on EC 4.4.1.9 - L-3-cyanoalanine synthase

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SPECIFIC ACTIVITY [µmol/min/mg]
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
0.00034
-
latex pellet
0.00052
-
inner bark
0.003
-
immobilized enzyme
0.0043
-
latex cytosol
0.0375
-
purified enzyme
0.25
substrate L-cysteine
0.43
substrate O-acetyl-L-serine
111.3
-
recombinant enzyme from Saccharomyces cerevisiae, after 750fold purification
13.3
-
wild type enzyme, after 750fold purification
157
substrate L-cysteine
181
-
recombinant enzyme from Arabidopsis thaliana, after 750fold purification
323.8
Lupinus sp.
-
-
33.8
Lupinus sp.
-
-
38
Xanthium pennsylvanicum
-
-
43.5
Lupinus sp.
-
-
49.5
substrate O-acetyl-L-serine
6.84
pH 8.5, 37°C, purified recombinant His-tagged enzyme
62.1
substrate L-cysteine
66.2
substrate L-cysteine
additional information