(org1:0.49999997,org2:0.47298786,org3:28.37858179);

>org1
ATGCTA
>org2
TAGCAT
>org3
AGTAGT

library(tidyverse)
library(ggtree)
library(seqinr)
tree = read.tree("din.newick")
msaplot(p=ggtree(tree), fasta = "din.fasta")
msaplot(p=ggtree(tree) + geom_tiplab(align=TRUE), fasta = "din.fasta")