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4.4.1.2: homocysteine desulfhydrase

This is an abbreviated version!
For detailed information about homocysteine desulfhydrase, go to the full flat file.

Reaction

2-aminobut-2-enoate
=
2-iminobutanoate

Synonyms

desulfhydrase, homocysteine, homocysteine desulfurase, Hyc gamma-lyase

ECTree

     4 Lyases
         4.4 Carbon-sulfur lyases
             4.4.1 Carbon-sulfur lyases (only sub-subclass identified to date)
                4.4.1.2 homocysteine desulfhydrase

Temperature Stability

Temperature Stability on EC 4.4.1.2 - homocysteine desulfhydrase

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TEMPERATURE STABILITY
ORGANISM
UNIPROT
COMMENTARY hide
LITERATURE
30
-
T1/2: 18.1 h, at 30°C
35
-
T1/2: 9.9 h, at 30°C
40
-
stable below, T1/2: 5.9 h, at 30°C
50
-
T1/2: 3.3 h, at 30°C
60
-
T1/2: 1.9 h, at 30°C
70
-
Tm-value is 70.1°C. Retention of about 50% of its initial activity when heated for 60 min at 70.1°C