This step occurs by transesterification; in this case, an OH group at the 3′ end of the exon attacks the phosphodiester bond at the 3′ splice site. The adjoining exons are covalently bound ...
Intronic primers flanking exon 9 were designed using the PAC sequence available in the Genbank sequence database (clone DJ0054D12; accession number AC006342). PCR amplification of an approximate 6 ...