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Determining heterologous sequences

Jean-Manuel Henry ez041797 at dale.ucdavis.edu
Sun Dec 3 15:26:22 EST 1995

Hi, I am tryning to determine heterologous nucleotides in a set of 
related sequences.  So far, I have been able to determine homologous 
nucleotides, by performing a multiple sequence alignment and shading 
homologouse regions,2 this isn't of much use since the remaining 
sequences may hav homology with one another. For example: 
sequence 1: A
sequence 2: A
sequence 3: A
sequence 4: C
sequence 5: C
sequence 6: T
Conventiopnal shading programs would shade all sequences containing "A" 
(1,2, & 3). However, I would like a program which would shade "C" as well 
in sequences 4 & 5. That is, a program to detect all nonunique 
nucleotides (T in sequence 6, in the above example). If anyone knows of a 
program with this ability please email me. Much obliged, 

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