Natural human tRNAAla anticodon variants mistranslate the genetic code

TABLE 1.

Naturally occurring tRNAAla variants characterized in this study

tRNA gene tRNA variant dbSNP ida Anticodon Codon read AA replaced with Ala Allele frequency (%)b Probability of tRNA activity (%)c
Ala-AGC-6-1 G35C rs1041881 ACC GGU/C/A Gly 6.5 55.3
Ala-CGC-1-1 G35T rs753073211 CUC GAG Glu 0.0004 83.9
Ala-TGC-4-1 G35A rs953243513 UAC GUA/G Val 0.009 96.2
Ala-AGC-8-1 C36T rs952897218 AGU ACU/C/A Thr 0.0008 97.2
  • aSingle-nucleotide polymorphism database (dbSNP) accession identifiers are listed (Phan et al. 2025).

  • bAllele frequencies are based on data from the TOPMED database (Freeze 8) (Taliun et al. 2021).

  • ctRNA gene activity probability values are from Chan and Lowe (2016).

This Article

  1. RNA 31: 791-806