aaa {seqinr} | R Documentation |
Converts amino-acid one-letter code into the three-letter one
Description
This is a vectorized function to convert one-letter amino-acid code into the three-letter one, for instance "A" into "Ala".
Usage
aaa(aa)
Arguments
aa |
A vector of single characters. |
Details
Allowed character values for aa
are given by a()
.
All other values will generate a warning and return NA.
Called without arguments, aaa()
returns the list of
all possible output values.
Value
A vector of char string. All strings are 3 chars long.
Author(s)
J.R. Lobry
References
The IUPAC one-letter code for aminoacids is described at:
https://www.bioinformatics.org/sms/iupac.html
citation("seqinr")
See Also
Examples
#
# Show all possible input values:
#
a()
#
# Convert them in one letter-code:
#
aaa(a())
#
# Check consistency of results:
#
stopifnot(a(aaa(a())) == a())
#
# Show what happens with non-allowed values:
#
aaa("Z") # should be NA and a warning is generated
[Package seqinr version 4.2-36 Index]