Maurer R A, Gorski J, McKean D J
Biochem J. 1977 Jan 1;161(1):189-92. doi: 10.1042/bj1610189.
Rat pituitary mRNA was used to direct the cell-free synthesis of pre-prolactin labelled with [4,5-3H]leucine and either [35S] methioninc or [35S] cystine. Sequence analysis of the labelled protein indicates that pre-prolactin has 29 amino acid residues joined to the N-terminus of the prolactin sequence. Leucine residues were found at positions 13, 14, 15, 16, 21 and 22, methionine residues at positions 1, 17 and 18, and a cysteine residue at position 24 of the precursor sequence, and this partial sequence shows considerable similarity with other precursors that have been sequenced.
大鼠垂体mRNA被用于指导用[4,5-³H]亮氨酸以及[³⁵S]甲硫氨酸或[³⁵S]胱氨酸标记的催乳素原的无细胞合成。对标记蛋白的序列分析表明,催乳素原具有29个氨基酸残基,连接在催乳素序列的N端。在前体序列的第13、14、15、16、21和22位发现亮氨酸残基,第1、17和18位发现甲硫氨酸残基,第24位发现半胱氨酸残基,并且该部分序列与已测序的其他前体显示出相当大的相似性。