transmembrane helix meaning in English

跨双层螺旋,跨膜螺旋

The deduced amino acid sequence had two strong transmembrane helices , i . e . , the first from position 5 ( gly ) to position 35 ( val ) and the second from position 28 ( ala ) to position 46 ( leu )
推测的氨基酸序列具有两个显著的跨膜螺旋：第一个螺旋位于第5个（ gly和第35个仰）氨基酸之间，第二个螺旋位于第28 （ alg和第46队eul个氨基酸之间。
Sequence analysis showed that the full length of this cdna which encodes 364 amino acids is 1398bp . it has 71 % and 69 % identities to lycopersicon esculentum and pisum sativum respectively in amino acid level . this gene is a membrane protein which has one signal peptide , seven transmembrane helices , three n - glycosylation sites and one o - glycosylation site
序列分析表明，该基因的cdna全长为1398bp ，开放阅读框为1095bp ，编码一个364个氨基酸的多肽，与番茄和豌豆中的该家族基因分别具有71和69的氨基酸同源性，是一种膜蛋白，具有1个信号肽序列， 7个跨膜螺旋， 3个n ?糖基化位点和1个o ?糖基化位点，分子量大约为39 . 174kd ，等电点为8 . 07 。