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W,M,R nucleotides

Hi all,

I have a question regarding c. variants (e.g. c.224T>C, c.209G>W). If the variant is denoted as >R, M, or W what does the R, M, and W mean as those aren’t standard nucleotides? I tried looking this up on ClinVar, but couldn't find anything?

Thank you Harry

variants snps genetics

1 answer

Check out this site for the full IUPAC naming convention

https://www.bioinformatics.org/sms/iupac.html

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