Efficient large-scale purification of restriction fragments by solute-displacement ion-exchange HPLC
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چکیده
منابع مشابه
Gram-scale purification of phosphorothioate oligonucleotides using ion-exchange displacement chromatography.
The purification of oligonucleotides by ion-exchange displacement chromatography is demonstrated on the gram-scale. Using a 50 mmD x 100 mmL (203 ml) column operated in the displacement mode, 1.2 g of a 24mer phosphorothioate oligonucleotide was purified. Product yield for this separation was 70% (780 mg) at a purity of 96.4% and the mass balance recovery of all oligonucleotide was 97.5%. The d...
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We apply the recently developed replica exchange with solute tempering (REST) to three large solvated peptide systems: an alpha-helix, a beta-hairpin, and a TrpCage, with these peptides defined as the "central group". We find that our original implementation of REST is not always more efficient than the replica exchange method (REM). Specifically, we find that exchanges between folded (F) and u...
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Shirai, Y. & Ohkubo, T. (1954a). J. Biochem., Tokyo, 41, 337. Shirai, Y. & Ohkubo, T. (1954b). J. Biochem., Tokyo, 41, 341. Storey, I. D. E. (1950). Biochem. J. 47, 212. Storey, I. D. E. & Dutton, G. J. (1955). Biochem. J. 59,279. Storey, I. D. E. & Dutton, G. J. (1956). Proc. 3rd Int. Congr. Biochem., Brussel8, 1955, p. 162. Strominger, J. L., Kalckar, H. M., Axelrod, J. & Maxwell, E. S. (1954...
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A small change in the Hamiltonian scaling in Replica Exchange with Solute Tempering (REST) is found to improve its sampling efficiency greatly, especially for the sampling of aqueous protein solutions in which there are large-scale solute conformation changes. Like the original REST (REST1), the new version (which we call REST2) also bypasses the poor scaling with system size of the standard Te...
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ژورنال
عنوان ژورنال: Nucleic Acids Research
سال: 1993
ISSN: 0305-1048,1362-4962
DOI: 10.1093/nar/21.12.2913