S-adenosylhomocysteine deaminase

Template:Infobox enzyme In enzymology, a S-adenosylhomocysteine deaminase (Template:EC number) is an enzyme that catalyzes the chemical reaction

S-adenosyl-L-homocysteine + H₂O $\rightleftharpoons$ S-inosyl-L-homocysteine + NH₃

Thus, the two substrates of this enzyme are S-adenosyl-L-homocysteine and H₂O, whereas its two products are S-inosyl-L-homocysteine and NH₃.

This enzyme belongs to the family of hydrolases, those acting on carbon-nitrogen bonds other than peptide bonds, specifically in cyclic amidines. The systematic name of this enzyme class is S-adenosyl-L-homocysteine aminohydrolase. This enzyme is also called adenosylhomocysteine deaminase.

References

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