I would really appreciate if someone could advise on the following error with Mega7 GUI version.
I'm experiencing errors when trying to re-import alignments back into Mega. I performed ClustalW alignment on 400 protein sequences and exported in .meg format. However, when I try to open the file by either right clicking on the file or opening it via "Retrieve sequences from a file" I get 'Invalid base found >: in line 12343". It doesn't make sense because the alignment was perform through the tool and saved in mega format. Could some one please advise how to fix the error so I can re-import the file?