F GtRNAdb

The Functional Genomics tRNA Database

From genes to evolution, modification, and expression: a comprehensive tRNA resource


Data Release 22 (Sept 2024)

To access the previous releases of GtRNAdb or check out the change log, please click here

tRNA Gene Activity Predictions

Gene activity in 29 mammals including human and mouse were predicted using tRAP.
Details of the prediction method are available in the manuscript.
Thornlow BP, Armstrong J, et al. Predicting transfer RNA gene activity from sequence and genome context. Genome Res. 2020. 30: 85-94.

Gene Prediction Summary

Domain Number of Genomes Number of tRNA Genes*
Eukaryota 609 178,889
Archaea 220 10,476
Bacteria 4,038 242,068

* Predicted pseudogenes are not included. For large eukaryotes, primary and secondary filtered predictions are not included.

Modification Annotation Summary

Domain Genomes with Annotations Unique Isodecoders
Eukaryota 290 1,907
Archaea 32 76
Bacteria 1,938 610

Total tRNA genes with modification annotations: 89,438. Source: MODOMICS