L-Aspartic-4-semialdehyde

L-Aspartic-4-semialdehyde is a key intermediate in the biosynthesis of several amino acids, including lysine, methionine, leucine, and isoleucine. It is produced from O-aspartyl-4-phosphate by the enzyme aspartate-semialdehyde dehydrogenase.

Structure and Properties

L-Aspartic-4-semialdehyde is a carboxylic acid derivative and a semialdehyde. It is a conjugate acid of an L-aspartate 4-semialdehyde(1-). The molecular formula of L-Aspartic-4-semialdehyde is C4H7NO3.

Biosynthesis

In the biosynthesis pathway, L-Aspartic-4-semialdehyde is produced from O-aspartyl-4-phosphate by the enzyme aspartate-semialdehyde dehydrogenase. This reaction is a part of the amino acid biosynthesis pathway, specifically the aspartate and asparagine biosynthesis pathway.

Role in Amino Acid Biosynthesis

L-Aspartic-4-semialdehyde plays a crucial role in the biosynthesis of several amino acids. It is a precursor to the amino acids lysine, methionine, leucine, and isoleucine. These amino acids are essential for protein synthesis and other vital cellular functions.

See Also

• Aspartate-semialdehyde dehydrogenase
• Amino acid biosynthesis
• Lysine
• Methionine
• Leucine
• Isoleucine

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