!!NA_SCORING_MATRIX_RECT 1.0

Default scoring matrix used by STEMLOOP for the comparison of nucleic
acid sequences.  The match value for any comparison is related to the
number of bonds formed between the paired nucleotides.

                     February 20, 1996 14:35   ..

      A    C    G    T    U  
A     0    0    0    2    2  
C     0    0    3    0    0  
G     0    3    0    1    1  
T     2    0    1    0    0  
U     2    0    1    0    0