Leucine

Leucine
Systematic name (S)-2-Amino-4-methyl
pentanoic acid
Abbreviations Leu
L
Chemical formula C6H13NO2
Molecular mass 131.18 g mol-1
Melting point 293 °C
Density 1.165 g cm-3
Isoelectric point 5.98
pKa 2.32
9.58
CAS number [61-90-5]
EINECS number 200-522-0
SMILES CC(C)CC(N)COO
Image:Leucine.png
Disclaimer and references

Leucine is one of the 20 most common amino acids and coded for by DNA. It is isomeric with isoleucine. Nutritionally, in humans, leucine is an essential amino acid.

Image:Leu-stick.png
Leucine Formula (Older Version [Note the diferences in the order of the elements in a molecule])

Leucine is one of the 20 most common amino acids and coded for by DNA. It is isomeric with isoleucine. Nutritionally, in humans, leucine is an essential amino acid. It is the most common amino acid found in proteins. It is essential for optimal growth in infancy and childhood and for nitrogen equilibrium in adults.

It is the most common amino acid found in proteins. It is essential for optimal growth in infancy and childhood and for nitrogen equilibrium in adults.

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Amino acids

Alanine | Arginine | Asparagine | Aspartic acid | Cysteine | Glutamic acid | Glutamine | Glycine | Histidine | Isoleucine | Leucine | Lysine | Methionine | Phenylalanine | Proline | Serine | Threonine | Tryptophan | Tyrosine | Valine
Essential amino acid | Protein | Peptide | Genetic code


de:Leucin

es:Leucina eo:Leŭcino fr:Leucine it:Leucina he:לאוצין lt:Leucinas nl:Leucine ja:ロイシン pl:Leucyna ru:Лейцин fi:Leusiini sv:Leucin zh:亮氨酸