Which of the following enzymes plays a crucial role in the development of Homocystinuria?

A Cystathionine beta-synthase ✓
B Methionine synthase
C Homocysteine methyltransferase
D Betaine-homocysteine methyltransferase

Explanation

Homocystinuria is a genetic disorder caused by the deficiency of cystathionine beta-synthase, an enzyme that converts homocysteine to cystathionine.

Source

OMIM Database
Enzymes in Disease Biochemistry Amino Acid Metabolism Disorders Hard MEDICAL Confidence: high