It is not length of life, but depth of life.

-Ralph W. Emerson
CISAA : : A Complete Information System of Amino Acids
   


LEUCINE
Serial No. Properties Description/Values
1 Symbol Leu(L)
2 Molecular formula C6H13NO2
3 Molecular weight 131.18 g·mol-1
4 Systematic name (S)-2-amino-4-methyl-pentanoic acid
5 Synonyms {(S)-/L-}2-amino-4-methylvaleric acid, 4-methyl-norvaline, a-aminoisocaproic acid
6 Isoelectric point 5.98
7 pKa 2.36
8 pKb 9.6
9 pKx -
10 CAS registry number [61-90-5]
11 Melting point 293 °C
12 Interaction mode Van der Waals
13 Potential side chain H-bonds 0
14 Hydrophobicity 0.918
15 Codons UUA, UUG, CUU, GUC, CUA, CUG
16 Standard codon(s) CUN,UUR
17 SMILES CC(C)C[C@@H](C(=O)O)N
18 Physical properties Non-polar
19 Chemical properties Aliphatic
20 Side chain flexibility Moderate

 

Structure : Properties