seqinr (version 1.0-4)

comp: complement a nucleic sequence

Description

Complement a sequence, for instance if the sequence is "a","c","g","t" it returns "t","g","c","a". All other values will return NA.

Usage

comp(seq)

Arguments

seq

a vector of chars

Value

• It returns a vector of character which is the complement of a sequence.

References

citation("seqinr")

Examples

a=s2c("acgtgctcgtatatatatgccc")
   comp(a)		
   b=s2c("acgtXctcgtatatatatgccc")
   comp(b)