(5S)-1-乙基-5-甲基哌嗪-2-酮盐酸盐;869901

5S rRNA基因(5S rRNAgene)

5S rRNA是核糖体大亚基的一个组份，原核生物和真核生物都有5S rRNA,而且结构相似。真核生物的5S rRNA基因与其它三种rRNA基因不在同一条染色体上，它是由核仁以外的染色体基因转录的，然后运输到核仁内参与核糖体的装配。5S rRNA基因的数量比45S rRNA转录单位多,人的5S rRNA基因有500个拷贝,并且在染色体上串连排列。非洲爪蟾的5S rRNA基因的一个重复单位含有一个5S rRNA基因、一个不转录的假基因(101bp的5S rRNA基因的片段),每个重复

Restriction Fragment Length Polymorphism of the 5S-rRNA-NTS Region: A Rapid and Precise Method for Plant Identification

of plant species, varieties and chemotypes. Recently, the molecular discrimination of some higher plant species has been evaluated using sequences of a 5S-rRNA gene spacer region. The variation in the nontranscribed sequence (NTS) region has been used

Synthesis of (2S, 4S, 5S)-5-(t-Butoxycarbonylamino)-4-(t-Butyldimethylsilyloxy)-2-Isopropyl-7-Methyl Octanoic Acid

In an effort to produce renm mhibttory peptides, the preparation of (2 S ,4 S ,5 S )-5-( t -Butoxycarbonylamino)-4-( t -butyldimethylsilyloxy)-2-isopropyl-7-methyl octanotc acid, 15 , was carried out ( 1 ). This pseudo-dipeptide was used