Added a check to look for amino acid ambiguity codes (B, Z of J). Will warn if a protein accession contains such codes.
Added a check to look for amino acid ambiguity codes (B, Z of J).
Will warn if a protein accession contains such codes.

james-monkeyshines/ensembl-analysis,Ensembl/ensembl-analysis,mn1/ensembl-analysis,james-monkeyshines/ensembl-analysis,mn1/ensembl-analysis,kiwiroy/ensembl-analysis,james-monkeyshines/ensembl-analysis,kiwiroy/ensembl-analysis,Ensembl/ensembl-analysis,mn1/ensembl-analysis,Ensembl/ensembl-analysis