终止密码子

根据α-珠蛋白基因起始密码子上游及终止密码子下游的保守序列设计引物，以牦牛基因组DNA为模板克隆并测定了α-珠蛋白基因序列。

The α - globin gene of yak was amplified and cloned by using the primers based on the conserved region of the upstream from the initiation codon and the downstream from the termination codon .

起始密码子为ATG，终止密码子为TAA。

The start codon of the COX ⅰ is ATG , while the termination codon TAA .

两个终止密码子导致的遗传性蛋白C和蛋白S缺陷症

Gene analysis of hereditary protein C and protein S deficiency in two Chinese pedigrees

TGA不再是终止密码子X而编码色氨酸W。癌基因中的密码子使用

TGA encodes tryptophane and not the terminate code ; The Codon Usage in Oncogene Sequences

所分析的序列中裙带菜终止密码子的使用偏好TGA。

The stop codon usage preferred to TGA for U. pinnatifida .

在3D编码区末端有整个ORF的终止密码子TAA。

There is terminate codon TAA of the whole ORF at the 3D coding region termination .

有趣的是，Sec是由终止密码子UGA编码。

Interestingly , selenocysteine is encoded by codon UGA .

E.coli和Yeast基因起始与终止密码子邻近序列碱基保守性、关联性的对比研究

The Contrast Study of Base ′ s Conservative Character and Correlative Character between E.coli and Yeast Gene for Adjacent Sequence of Initiation Codon or Termination Codon

开放读码框末端有由TAA组成的终止密码子。

The termination codon was composed of TAA .

分析结果在表明原核与真核分析对象的平均码距在起始密码子附近和终止密码子附近均呈现出显著变化，在原核生物的SD区域也有显著变化。

We observe that average code distances fluctuate obviously near the initiation codon and termination codon . Remarkable changes also appear in the SD field of procaryotic organisms . 2 .

口蹄疫Akesu/58分离株基因组P3区的核酸序列共计2724nt，包括一个终止密码子TAA，共编码907个氨基酸；

A continuous 2,724 nucleotide sequence spanning the P3 coding region was obtained , including a ending codon TAA . 907 amino acids were encoded .

2）第一ATG规则&ORF起始于上游的终止密码子（TAA，TAG或TGA）后第个同框架的ATG。

2 ) The first ATG rule - ORF initiates from the first in-frame ATG codon in the DNA sequence after the nearest upstream terminator ( TAA , TAG or TGA ) .

序列分析发现拼接的cDNA含有一个411bp的开放阅读框，编码136个氨基酸，ATG为起始密码子、TAA为终止密码子。

Sequence analysis revealed that splicing of the cDNA contained a 411 bp open reading frame , encoded 136 amino acids , and ATG was the initiation codon and TAA was the stop codon .

序列分析的结果表明，此3.1kb外源片段中存在一长度为1347bp的完整的开放阅读框架（ORF），起始密码子为ATG，终止密码子为TGA，共编码448个氨基酸。

Sequence analysis revealed that the open reading frame of mcr gene was 1 347 bp in size , encoding 448 amino acids with ATG as initiation codon and TGA as termination codon .

吡咯赖氨酸在产甲烷菌的甲胺甲基转移酶中发现，是目前已知的第22种参与蛋白质生物合成的氨基酸，与标准氨基酸不同的是，它由终止密码子UAG的有义编码形成。

Pyrrolysine , known as the 22nd amino acid , is found in Methanosarcina barkeri ( M.barkeri ) methylamine methyltransferases .

经基因序列分析表明牲畜链霉菌中IPNS基因，由963bp组成，起始密码子为ATG，终止密码子为TGA，共编码321个氨基酸，所克隆的牲畜链霉菌IPNS基因编码蛋白与已知的S。

DNA sequencing revealed that the IPNS gene of S. cattleya consists of 963 bp encoding a protein of 321 amino acids with ATG as start codon , TGA as stop codon .

真核基因起始与终止密码子旁侧序列的特征对于确定cDNA开放阅读框架（ORF）和预测基因组序列中的编码区（CDS）非常重要。

The characters of sequence flanking the start codon and stop codon in eukaryotic genes play an important role in defining the open reading frame ( ORF ) in cDNA sequences and coding region ( CDS ) in genomic DNA sequences .

方法：根据s-lap基因的编码区序列，应用PCR技术突变其3′末端终止密码子，并通过基因重组技术将其与GFP基因融合，构建s-lap/GFP重组质粒；

Methods According to the coding area sequence of s-lap gene , stop codon located at 3 ′ terminus of s-lap gene was mutated by PCR and fused with GFP gene . Then the s-lap / GFP fusion gene was transfected into Hela cells .

然后，两个以上的突变去除了剩下的终止密码子。

Then , two more mutations removed the remaining stop signs .

蛋白质编码区碱基分布与终止密码子的关系

Relation between base distribution in protein-coding regions and stop codons

丙型肝炎病毒3′非编码区终止密码子变异

Gene mutation of stop coden in 3 ' untranslated region of hepatitis C Virus

星号提示此序列为终止密码子。

The asterisk indicates the stop codon .

另外，在1044与1062的碱基突变也导致终止密码子的产生。

Base mutation at sites 1 044 and 1 062 also led to produce a stop condon .

这表明终止密码子在不同层次上限制基因组分的使用，是影响基因碱基分布的因素之一。

The compositions associated with stop codons are constrained , it is one of factors that affects the base distribution in protein-coding genes .

进一步序列分析表明，此特异条带大小为663bp，具有起始密码子和终止密码子，编码220个氨基酸，定名为orf220。

The sequencing result shows it is a 663 bp fragment with its own initiation and termination codons , presumably encoding for 220 amino acids ( named orf 220 ) .

该模型的运行分为初始化、转录、判定起始密码子、判定终止密码子和翻译等五个阶段。

The operation of this model can be divided into five stages : initialization , transcription , determination of the start codon , determination of the stop codons , and translation .

总之，第一类肽链释放因子识别终止密码子的机制和终止密码子的重新分配机制是一个尚未完全瀍明的问题，有待做进一步深入的探讨。

Mechanism of stop codon recognition of class I polypeptide release factor or termination codon reassignment are problems that have not yet been fully clarified , and should be further in-depth discussed .

但对核小体结合模体的相对偏好性进行比较后发现，转录起始位点、转录终止位点、起始密码子和终止密码子附近±500bp的序列所包含的偏好的核小体结合模体模式数各不相同。

Comparison of relative preference of nucleosome binding motifs shows that the mode number of preferred nucleosome motifs in ± 500bp region around the transcription start sites , transcription termination sites , start codon and stop codon is different .

分析的功能位点包括：转录起始位点，转录终止位点，起始密码子，终止密码子，内含子和外显子连接处等。

Analyzed functional sites contain transcription start sites , transcriptional termination sites , start codon , stop codon and junction sites of intron and exon .

发现酵母基因编码区和已知DRF的起始密码子总是位于长距离不出现终止密码的位置序列上游紧邻最后一个终止密码子的ATG；

This result shows that the starting codon of yeast gene is always the ATG which is in close neighbor to the last terminal codon upstream .