Cysteine formation from homocysteine

Proteins (2)

Protein	Synonyms	Taxonomy
Cystathionine gamma-lyase	EC 4.4.1.1; Cysteine-protein sulfhydrase; Gamma-cystathionase	Homo sapiens (human)
Cystathionine beta-synthase	EC 4.2.1.22; Beta-thionase; Serine sulfhydrase	Homo sapiens (human)

Compound	Description
ammonium hydroxide	The hydroxy salt of ammonium ion. It is formed when AMMONIA reacts with water molecules in solution.
Water	A clear, odorless, tasteless liquid that is essential for most animal and plant life and is an excellent solvent for many substances. The chemical formula is hydrogen oxide (H2O). (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)
Cystathionine	Sulfur-containing amino acid formed as an intermediate in the conversion of METHIONINE to CYSTEINE.
alpha-ketobutyric acid	RN given refers to parent cpd; structure
Cysteine	A thiol-containing non-essential amino acid that is oxidized to form CYSTINE.
heme	The color-furnishing portion of hemoglobin. It is found free in tissues and as the prosthetic group in many hemeproteins.