cystathionine beta-lyase

cys·ta·thi·o·nine β-ly·ase

(sis'tă-thī'ō-nēn lī'ās),

An enzyme catalyzing the hydrolysis of l-cystathionine to pyruvate, l-homocysteine, and NH₃.
See also: cystathionine γ-lyase.

Synonym(s): β-cystathionase, cystine lyase