Studies on peptides. LXXX. NG-mesitylene-2-sulfonylarginine.
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چکیده
منابع مشابه
2,4,6-Tris(1-oxo-2-pyridylsulfanylmethyl)mesitylene methanol solvate
In the title compound, C(27)H(27)N(3)O(3)S(3)·CH(4)O, the dihedral angles formed by the mesitylene ring with the three oxopyridyl rings are 89.6 (1), 75.5 (1) and 80.69 (1)°, indicating that all three are nearly perpendicular to the mesitylene ring. Intra-molecular C-H⋯S hydrogen bonds generate S(6) ring motifs. The crystal structure is stabilized by intra-molecular C-H⋯S and inter-molecular C-...
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IN the course of recent work on the role of vitamin B, in the metabolism of brain, it was discovered [Peters and Sinclair, 1933] that lactate solutions in which avitaminous pigeon's brain cells had respired for 2 hours gave a positive nitroprusside reaction for pyruvic acid [Simon and Piaux, 1924]. This led to a quantitative investigation of the formation of pyruvic acid during the respiration ...
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Recently, it was shown that genuine Ng-Ng chemical bonds are present in the endohedral fullerenes Ng(2)@C(60) in the case of Ng=Xe, while it is more debatable whether a chemical bond exist for Ng=Ar and Kr. The lighter homologues with helium and neon are weakly bonded van der Waals complexes. The presence of a noble gas dimer inside the cage is expected to modify the exohedral reactivity of the...
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ALTHOUGH previous work has shown the presence of proteolytic activity in wheat and wheat flour, attention has been focused on the fate of the wheat proteins rather than on the nature of the enzymic processes [Sharp and Elmer, 1924; Johnson et al., 1929; Brownlee and Bailey, 1930]. Although the proteolytic activity of wheat is very slight [Cairns and Bailey, 1928; Herd, 1931; Landis, 1935] it ma...
متن کاملStudies on NG-methylarginine derivatives in myelin basic protein from developing and mutant mouse brain.
The amounts of NG-methylarginine derivatives in myelin basic protein (MBP) purified from dysmyelinating mutant and different stages of normal myelinating mouse brains have been studied by using h.p.l.c. with a highly sensitive post-column o-phthaldialdehyde derivative-formation method. All three naturally occurring derivatives (NG-monomethylarginine (MeArg), NGN'G-dimethylarginine [Me2(sym)Arg]...
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ژورنال
عنوان ژورنال: Chemical and Pharmaceutical Bulletin
سال: 1978
ISSN: 0009-2363,1347-5223
DOI: 10.1248/cpb.26.3752