内含子序列“三碱基组”的信息分析

Informational Analysis of the Tri-base Forms in Intron Sequences

在对编码序列的碱基分布作大量统计分析的基础上，对内含子序列中Ｇ、Ｃ的分布作了统计分析．发现内含子在“三碱基组”的意义下，第一位上（Ｇ＋Ｃ）含量占优势．如果将同一基因的外显子三联密码和内含子“三碱基组”做比较，发现在内含子中出现而外显子中没有的那些三碱基组，它们大多属于Ｌｉó所列出的“非偏爱”

Based on a great deal of statistical analysis to the base distribution in coding sequences,we have made some elementary statistics of the G,C distribution in introns.In the meanign of “tri-base forms”,the (G+C) preferential occurrence in the first position was found in introns.Comparing the triplet codens of exons with the tri-baes forms of introns in a gene,we also found that most of the tri-base forms appearing only in introns but not in exons belong to the suppressed codons listed by Lió.