A structure consisting of a 7-methylguanosine in 5'-5' triphosphate linkage with the first nucleotide of an mRNA. It is added post-transcriptionally, and is not encoded in the DNA. [ http://seqcore.brcf.med.umich.edu/doc/educ/dnapr/mbglossary/mbgloss.html ]
术语信息
Subsets
SOFA
definition
A structure consisting of a 7-methylguanosine in 5'-5' triphosphate linkage with the first nucleotide of an mRNA. It is added post-transcriptionally, and is not encoded in the DNA.