2018
DOI: 10.18097/bmcrm00057
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An Improved Procedure for the Preparation of Thrombin Low Molecular Weight Substrates - Peptide p-Nitroanilides

Abstract: ВВЕДЕНИЕХромогенные субстраты ферментов часто используются для определения активностей последних с помощью фотометрических методов [1,2]. Так как данные методы широко применяются в научных исследованиях, клинической диагностике, при проведении анализов в биотехнологической промышленности, экологии и иных областях для выявления ферментов и оценки их активности, потребности в специфичных хромогенных субстратах весьма высоки, и многие из этих субстратов есть в каталогах зарубежных компаний -производителей и поста… Show more

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Cited by 3 publications
(5 citation statements)
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“…However, the similarity of chemical structures of Bio-Beads® SM-2 and Porapak Q (employed for the separation of Phe-containing peptides via their adsorption from water solutions (Vogel and Altstein, 1977)) and the adsorption of Triton X100 on Bio-Beads® SM-2 (Horigome & Sugano, 1983;Varhac et al, 2009) point out to the ability of Bio-Beads® SM-2 of adsorbing phenyl groupcontaining peptides and hence separating them from other molecules. Our previous successful separation of N-α-benzoyl-peptide-pNAs from Oxone® using Bio-Beads® SM-2 con rms this hypothesis (Chistov et al, 2018). Since the hydrophobicity of the benzoyl moiety makes the corresponding substrates less water-soluble than their analogues with N-terminal protecting groups such as tosyl (Tos, p-toluene sulfonyl), glutaryl (glut) and even carbobenzoxy (Z), the latter ones are preferable to benzoyl for the use in peptide enzyme substrates.…”
Section: Introductionmentioning
confidence: 71%
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“…However, the similarity of chemical structures of Bio-Beads® SM-2 and Porapak Q (employed for the separation of Phe-containing peptides via their adsorption from water solutions (Vogel and Altstein, 1977)) and the adsorption of Triton X100 on Bio-Beads® SM-2 (Horigome & Sugano, 1983;Varhac et al, 2009) point out to the ability of Bio-Beads® SM-2 of adsorbing phenyl groupcontaining peptides and hence separating them from other molecules. Our previous successful separation of N-α-benzoyl-peptide-pNAs from Oxone® using Bio-Beads® SM-2 con rms this hypothesis (Chistov et al, 2018). Since the hydrophobicity of the benzoyl moiety makes the corresponding substrates less water-soluble than their analogues with N-terminal protecting groups such as tosyl (Tos, p-toluene sulfonyl), glutaryl (glut) and even carbobenzoxy (Z), the latter ones are preferable to benzoyl for the use in peptide enzyme substrates.…”
Section: Introductionmentioning
confidence: 71%
“…As for Tos, both its polar and voluminous sulpho-group and methyl residue may in uence (via spatial hindrances) the adsorption e cacy. To be suitable for the oxidizer removal via adsorption on Bio-Beads® SM-2, a peptide-pNA prepared from the corresponding peptide-pAA should contain either Phe residue or Z or benzoyl (Chistov et al, 2018) N-terminal protection.…”
Section: Discussionmentioning
confidence: 99%
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