Národní úložiště šedé literatury Nalezeno 3 záznamů.  Hledání trvalo 0.01 vteřin. 
CAMM of vasopressin analogs
Huml, Karel ; Barth, Tomislav
Vasopressin and its nonapeptide analogs were studied using computer aided molecular modeling (CAMM) methods to elucidate their structure-bioactivity relationships. The results are discussed in relation to experimentally obtained data of these peptides concerning their biological activities.
Qualitative and quantitative microanalysis and preparative purification of biopeptides by capillary and continuous free-flow electrophoresis
Kašička, Václav ; Prusík, Zdeněk ; Sázelová, Petra ; Ježek, Jan ; Jiráček, Jiří ; Hlaváček, Jan ; Velek, Jiří ; Barth, Tomislav
High-performance capillary electrophoresis (HPCE) has been applied to qualitative and quantitative analysis of several biologically active peptides and their derivatives and fragments, e.g. insulins, insect oostatic hormones, and peptide and glycopeptide dendrimers.
Full biological characterization of two linear vasopressin analogues - [Phaa,D-Tyr(Et).sup.2./sup.,Aib.sup.4./sup.,Arg.sup.6./sup.,Tyr(NH.sub.2./sub.).sup.9./sup.]AVP and [Phaa,D-Tyr(Et).sup.2./sup.,Arg.sup.6./sup.,Aib.sup.7./sup.,Tyr(NH.sub.2./sub.).sup.9./sup.]AVP
Kunčarová, Pavla ; Nazarov, Elšan ; Howl, J. ; Slaninová, Jiřina
The achiral amino acid Aib was introduced into position 4 or 7 of the linear V1a-selective vasopressin antagonist [Phaa,D-Tyr(Et)2,Arg6,Tyr(NH2)9]AVP. Peptides displayed reduced affinities for both V1a and V2 receptors and high antipressor activity in vivo. Uterotonic tests in vitro revealed that these compounds also strongly interact with the oxytocin receptor (pA2=7.8 and 7.9 for Aib4 and Aib7, respectively).

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