I can't find a good idea, how to calculate:
Than I comparing two sequences (amino acid or nucleotide)
with length L1 and L2, I get a common region with
length LR, containing N mismatches.
The questions are:
What a chance to obtain such region in unrelated sequences ?
Can I use the binomical formulas for this case ?
Could any body send me the formulas to calculate this chance
or reference for it ?
Please reply to leosad at may.stud.pu.ru
Thanks in advance.
Leonid A. Sadofiev