By using the GCG (Genetics Computer Group, Wisconsin) map programme, the codon was mapped to all known restriction endonucleases. This mapping was done for the published sequence [77] as well as for one including the found base substitutions (see section results). The comparison of the two generated maps revealed that three mutations (see table tab:alleles) altered accompanying restriction sites: bp 1515, 1786, and 2316. As the nucleotide exchange by mutation 1309 did not alter the restriction maps, but was suspected to have significant influence to the receptor, a new restriction site was introduced by generating a mismatch of the 5' oligonucleotide primer. The altered restriction sites are shown in tables tab:1515re to tab:2316re.
Table 4.1: Restriction sites of the
wild type (above) compared to the 1515 mutant (below)
Table 4.2: Restriction sites of the
wild type (above) compared to the 1786 mutant (below)
Table 4.3: Restriction sites of the
wild type (above) compared to the 2316 mutant (below)