Tritiated peptides. 12. Synthesis and biological activity of [4-3H-Phe8]substance P
作者:Mark C. Allen、Derek E. Brundish、Roy Wade、Bengt E. B. Sandberg、Michael R. Hanley、Leslie L. Iversen
DOI:10.1021/jm00352a022
日期:1982.10
SubstanceP has been prepared 3H labeled at Phe8 by catalytic deiodination of a protected precursor. Synthesis of the precursor was by solid-phase methodology on polydimethylacrylamide resin and by condensation in solution of fragments covering sequences 1-4, 5-7, and 8-11. Free peptide made by each route analyzed satisfactorily and had the same chromatographic characteristics as unlabeled substance
物质P是通过对被保护的前体进行催化碘化制备的,在Phe8处标记3H的物质。前体的合成是通过在聚二甲基丙烯酰胺树脂上的固相方法,以及在溶液中缩合的,覆盖序列1-4、5-7和8-11的片段进行的。通过每种途径制备的游离肽均能令人满意地分析,并且具有与未标记物质P相同的色谱特性。当使用N和C末端定向的抗血清时,通过放射免疫分析无法区分后者,并且能够引起分离的豚鼠回肠收缩。比放射性为23 Ci / mmol。
BENES, JAN;CERNY, ANTONIN
作者:BENES, JAN、CERNY, ANTONIN
DOI:——
日期:——
RANGANATHAN, S.;RANGANATHAN, D.;SINGH, W. P., TETRAHEDRON LETT., 29,(1988) N 25, C. 3111-3114