Search Results - "POSPISEK, J"

Conformation of the Dipeptide Cyclo(L-Pro-L-Pro) Monitored by the Nuclear Magnetic Resonance and Raman Optical Activity Spectra. Experimental and ab Initio Computational Study by Bouř, Petr, Sychrovský, Vladimír, Maloň, Petr, Hanzlíková, Jana, Baumruk, Vladimír, Pospíšek, Jan, Buděšínský, Miloš

“…Nuclear magnetic resonance (NMR) and Raman optical activity (ROA) spectra of the cyclic dipeptide were measured and analyzed with respect to their ability to…”
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Semisynthetic insulin analogues modified in positions B24, B25 and B29 by Svoboda, I, Brandenburg, D, Barth, T, Gattner, H G, Jirácek, J, Velek, J, Bláha, I, Ubik, K, Kasicka, V, Pospísek, J

“…New semisynthetic analogues of human insulin, modified in the C-terminal region of the B-chain, were prepared to refine our understanding of the importance of…”
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Selective acylation of hydroxy steroids with acyl cyanides by Havel, Miroslav, Velek, Jiří, Pospíšek, Jan, Souček, Milan

“…A mild acylation method of steroid alcohols with acyl cyanides is described. The high sensitivity of benzoyl cyanide toward steric conditions in the…”
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Activity profiles of dalargin and its analogues in μ‐, δ‐ and κ‐opioid receptor selective bioassays by Pencheva, Nevena, Pospišek, Jan, Hauzerova, Linda, Barth, Tomislav, Milanov, Peter

“…To elucidate the structural features ensuring action of [D‐Ala2, Leu5]‐enkephalyl‐Arg (dalargin), a series of dalargin analogues were tested for their…”
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Synthesis of peptides influencing growth hormone release by HLAVACEK, J, SMEKAL, O, POSPISEK, J, BARTH, T

“…A solid phase peptide synthesis of 17 growth hormone (GH) releasing peptide analogues Ia - IIIc for their use in a pharmacological assay on GH release is…”
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Peptides containing a neopentylglycine residue by Pospíšek, Jan, Bláha, Karel

“…Neopentylglycine ( III , 2-amino-4,4-dimethylpentanoic acid) was synthesized in both enantiomeric forms. Using the conventional methods of peptide synthesis,…”
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Purification of penicillin amidohydrolase, an enzyme for semisynthetic procedures by JIRACEK, J, BARTH, T, VELEK, J, BLAHA, I, POSPISEK, J, SVOBBODA, I

“…Penicillin amidohydrolase (EC 3.5.1.11.) is one of the few enzymes used successfully for deprotection of primary amino groups of semisynthetic peptides. The…”
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Cholecystokinin heptapeptide analogues with multiple modification in peptide chain by HLAVACEK, J, PIRKOVA, J, ZERTOVA, M, POSPISEK, J, MALETINSKA, L, SLANINOVA, J

“…Using solid phase synthesis we prepared the cholecystokinin fragment Boc-CCK-7 (Boc-Tyr(SO 3 - Na + )-Met-Gly-Trp-Met-Asp-Phe-NH 2 ) Ia and its seven analogues…”
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Synthesis and biological properties of cholecystokinin heptapeptide analogues containing D- and L-forms of tert-leucine or neopentylglycine in position 5 by HLAVACEK, J, PIRKOVA, J, POSPISEK, J, SLANINOVA, J, MALETINSKA, L

“…Using solution or solid-phase synthesis we prepared the cholecystokinin fragment Boc-CCK-7 (Boc-Tyr-(SO 3 - .Na + )-Met-Gly-Trp-Met-Asp-PheNH 2 ) and its four…”
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Synthesis and conformation of sequential basic polypeptides with branched and linear side chains by STOKROVA, S, POSPISEK, J, SPONAR, J, BLAHA, K

“…Polypeptides (Lys-X-Ala) n and (Lys-X-Gly) n in which X represents residues of isoleucine and norleucine, respectively, and polypeptide (Tle-Lys-Ala) n , were…”
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Conformation of diastereoisomeric cyclo(neopentyl-glycyl-propyls): NMR, X-ray, and CD studies by BLAHA, K, BUDESINSKY, M, POSPISEK, J, SYMERSKY

“…Conformation of diastereoisomeric cyclo(L-neopentylglycyl-L-prolyl) ( IV ) and cyclo(D-neopentylglycyl-L-prolyl) ( VIII ) in solution was studied by 1 H and 13…”
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Oxytocin analogues with non-coded amino acid residues in position 8: [8-neopentylglycine]oxytocin and [18-cycloleucine]oxytocin by HLAVACEK, J, POSPISEK, J, SLANINOVA, J, CHAN, W. Y, HRUBY, V. J

“…[8-Neopentylglycine]oxytocin ( II ) and [8-cycloleucine]oxytocin ( III ) were prepared by a combination of solid-phase synthesis and fragment condensation…”
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Preparation and properties of a new dalargine analogue: L-Tyr-D-Ala-Gly-L-Phe-L-Tle-L-Arg by POSPISEK, J, BESPALOVA, Z. D, KOVARIKOVA, E, TITOV, M. I, BARTH, T, MEDZIHRADSZKY, K

“…Stepwise synthesis in solution provided tert-butyloxycarbonyl-O-benzyl-L-tyrosyl-D-alanyl-glycyl-L-phenylalanyl-L-tert-leucyl-L-arginine which was then…”
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Preparation and characterization of new analogues of dalargin by POSPISEK, J, BARTH, T, BESPALOVA, Z. D, TITOV, M. I, MASKOVA, H. P, MOLOKOEDOV, A. S, SEPETOV, N. F

“…Tert-butyloxycarbonyl-O-tert-butyloxycarbonyl-L-tyrosyl-D-alanyl-glycyl-L-phenylalanyl-DL-neopentylglycyl-L-arginine was prepared by means of fragment…”
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Chiroptical properties and conformation of N-acetyl-L-amino acids N'-methylamides with aliphatic side chains by MALON, P, PANCOSKA, P, BUDESINSKY, M, HLAVACEK, J, POSPISEK, J, BLAHA, K

“…CD and 1 H NMR spectra of L-alanine ( I ), L-leucine ( II ), L-valine ( III ) and L-tert-leucine ( IV ) N-acetyl N'-methylamides were measured at various…”
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