score_alignment.RdScore a simple alignment
score_alignment( seq.df, seq1, seq2, sub.mat, gap.penalty = -10, gap.extend = -4 )
| seq.df | Two aligned sequences in a dataframe  | 
    
|---|---|
| seq1 | name of column with first sequences  | 
    
| seq2 | name of column with second sequence  | 
    
| sub.mat | substitution matrix to use. Defaults to BLOSUM62  | 
    
| gap.penalty | penalty for gaps in the sequence  | 
    
| gap.extend | penalty for gap length, starting with the first gap.  |