{| align="right" border="1" cellspacing="0" cellpadding="3" style="margin: 0 0 0 0.5em; background: #FFFFFF; border-collapse: collapse; border-color: #C0C090;" ! {{chembox header}} | '''{{PAGENAME}}''' |- | 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 |- | p''K''a | 2.32
9.58 |- | CAS number | [61-90-5] |- | EINECS_number | 200-522-0 |- | SMILES | CC(C)CC(N)COO |- | align="center" colspan="2" | Image:Leucine.png |- | {{chembox header}} | 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 is the most common amino acid found in proteins, and is essential for optimal growth in infancy and childhood and for nitrogen equilibrium in adults. It is suspected that Leucine plays a part in maintaining muscles by equalizing synthesis and breakdown of proteins. == External links == *Leucine biosynthesis *Computational Chemistry Wiki *Leucine prevents muscle loss in rats {{AminoAcids}} {{biochem-stub}} 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