Crystal structure of .BETA.-Chloro-L-alanine
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چکیده
منابع مشابه
Affinity labeling of alanine aminotransferase by 3-chloro-L-alanine.
The pyridoxal form of alanine aminotransferase from pig heart catalyzes the a,/? elimination reaction with 3chloro-L-alanine as the substrate to form equimolar amounts of pyruvate, ammonia, and chloride. The maximum rate of the a,/3 elimination reaction was 2.5 pmol/min/mg at pH 7.0 (25”(Z), approximately 0.5% that of the transamination reaction between L-alanine and 2-oxoglutarate. Time-depend...
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Isolated membrane vesicles from Escherichia coli B grown on DL-alanine and glycerol carry out amino acid active transport coupled to a membrane-bound D-alanine dehydrogenase (Kaczorowski, G., Shaw, L., Fuentes, M., and Walsh, C. (1975) J. Biol. Chem. 250, 2855). Certain L-amino acids can also energize solute transport by conversion to their D isomers via an alanine reacemase. Both D-chloroalani...
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In the crystal structure of the title compound, C6H5ClIN, the amino group engages in N-H⋯N hydrogen bonding, creating [100] chains. A Cl⋯I contact is observed [3.7850 (16) Å]. The parallel planes of neigbouring mol-ecules reveal highly offset π-stacking characterized by a centroid-centroid distance of 4.154 (1), a centroid-to-plane distance of 3.553 (3) and ring-offset slippage of 2.151 (6) Å.
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Single crystals of Schiff base compound 2-[(2-chloro-4-nitrophenyl) iminomethyl] phenol (1) were grown by the slow evaporation technique at room temperature. The crystal structure of the title compound was determined by single crystal X-ray diffraction. The title compound crystallizes in the monoclinic system, space group P21, with two symmetry independent molecules. Intramolecular O-H···N hydr...
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Pressure-dependent Raman scattering studies in the range 0.0 – 32 kbar were carried out in L-alanine in order to investigate its external mode phonon spectra in relation to the phase transitions in the crystal. A careful analysis of the spectra shows that the low-energy Raman modes exhibit variation both in frequency and in intensity and between 26 and 28 kbar it is observed a splitting of a ex...
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ژورنال
عنوان ژورنال: Analytical Sciences: X-ray Structure Analysis Online
سال: 2004
ISSN: 1348-2238
DOI: 10.2116/analscix.20.x73