L-亮氨酰胺盐酸盐

Amino Acids 37(4) , 693-701, (2009)

The hydrogensquarate [LeuNH(2)] (HSq) of L-leucinamide has been synthesized and its structure has been determined by single crystal X-ray diffraction. A three dimensional network is formed by hydrogen bonds with participation of the O=C-NH(2) function, the hy...

J. Phys. Chem. A 115 , 9676-9681, (2011)

Rotational spectra were recorded for two isotopic species of two conformers of the amide derivative of leucine in the range of 10.5-21 GHz and fit to a rigid rotor Hamiltonian. Ab initio calculations at the MP2/6-311++G(d,p) level identified the low energy co...

J. Chromatogr. A. 431(1) , 228-30, (1988)

J. Chromatogr. A. 414 , 465, (1987)

J. Biotechnol. 15(4) , 323-38, (1990)

Peptide synthesis was carried out in a variety of organic solvents with low contents of water. The enzyme was deposited on the support material, celite, from an aqueous buffer solution. After evaporation of the water the biocatalyst was suspended in the react...

Nippon. Ketsueki Gakkai Zasshi 45(5) , 907-12, (1982)

Rinsho Byori. 30(5) , 502-6, (1982)

Bioorg. Khim. 28(1) , 11-5, (2002)

The kinetics of the reaction of Boc-Xaa fluorophenyl esters (where Xaa = Ala, Val, Phe, Ser, Leu, Gly, Met, Pro, or Ile) with leucinamide was studied measuring changes in the fluorescence emission at 375 nm of the fluorophenyl chromophore accompanying the rea...

J. Clin. Chem. Clin. Biochem. 23(7) , 393-8, (1985)

A continuous procedure for the determination of leucine aminopeptidase is described. L-leucinamide is used as substrate and the liberated ammonia is determined with the glutamate dehydrogenase reaction. The enzyme is Mn2+-activated and 30 mumol/l MnCl2 is nec...

Int. J. Pept. Protein Res. 40(3-4) , 268-73, (1992)

Human growth hormone-releasing factor, GRF(1-44)-NH2, was synthesized by trypsin catalyzed coupling of Leu-NH2 to Arg43 of the precursor, GRF(1-43)-OH, prepared by solid phase peptide synthesis. The semisynthetic GRF(1-44)-NH2 was fully characterized and show...