aaa {seqinr} | R Documentation |
This is a vectorized function to convert one-letter amino-acid code into the three-letter one, for instance "A" into "Ala".
aaa(aa)
aa |
A vector of single characters |
Allowed character values for aa
are *ACDEFGHIKLMNPQRSTVWY.
All other values will generate a warning and return NA.
A vector of char string. All strings are 3 chars long, run example(aaa) to see them.
J.R. Lobry
The IUPAC one-letter code for aminoacids is described at:
http://www.chem.qmul.ac.uk/iupac/AminoAcid/
citation("seqinr")
# show all allowed values allowed <- s2c("*ACDEFGHIKLMNPQRSTVWY") aaa(allowed) # show what's happen with non-allowed values aaa("Z") # should be NA and a warning is generated