Codons and numbers

Question

everyboy. I am a beginner with R. I´d like to ask how could you assign a codon to a number I mean this: AAA is 1 AAC is 2 AAG is 3 AAT or AAU is 4 . . . And subsequently. Thanks to everybody

[See here](https://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example) on making an R question that folks can help with. That includes a sample of data, all necessary code, and a clear explanation of what you're trying to do and what hasn't worked. — camille, Jan 22 '20 at 16:43

StupidWolf · Answer 1 · 2020-01-22T17:09:06.693

1

Something like this?

BASES = c("A","C","G","T")
triN = apply(expand.grid(BASES,BASES,BASES),1,paste,collapse="")
data.frame(number=1:length(triN),codon=sort(triN))

   number codon
1       1   AAA
2       2   AAC
3       3   AAG
4       4   AAT
5       5   ACA
6       6   ACC
7       7   ACG
8       8   ACT
9       9   AGA
10     10   AGC
11     11   AGG
12     12   AGT

edited Jan 22 '20 at 17:09

answered Jan 22 '20 at 16:50

StupidWolf

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Yes, something like that and the with all the condons. It will be better in alphabetic orden. – Lorenzo Gutiérrez Avilés Jan 22 '20 at 17:06
@LorenzoGutiérrezAvilés, Something like the edited? – StupidWolf Jan 22 '20 at 17:09
Exactly that´s the way – Lorenzo Gutiérrez Avilés Jan 22 '20 at 17:14

score 1 · Answer 2 · answered Jan 22 '20 at 17:18

1

bases <- c("A","C","G","T")
x <- levels(interaction(bases,bases,bases, sep = ""))
x <- x[order(x)]
data.frame(number=1:length(x), codon=x)

answered Jan 22 '20 at 17:18

Justin Landis

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Codons and numbers

2 Answers2