TSR3
Chr 16TSR3 ribosome maturation factor
TSR3 encodes an aminocarboxypropyltransferase that catalyzes the final step in creating a hypermodified pseudouridine residue in 18S ribosomal RNA, essential for ribosome biogenesis. Mutations cause autosomal recessive intellectual disability with microcephaly and growth retardation, typically presenting in infancy with developmental delays and failure to thrive. This gene shows tolerance to loss-of-function variants in the general population, consistent with its recessive inheritance pattern.
Some data sources returned errors (2)
ncbi: Error: NCBI fetch failed: 429 https://eutils.ncbi.nlm.nih.gov/entrez/eutils/esearch.fcgi
omim: Error: OMIM fetch failed: 429
Population Genetics & Constraint
gnomAD v4 — loss-of-function & missense intolerance
Highly tolerant — LoF variants common in population
Tolerant to missense variation
The highest-scoring mechanism for this gene is dominant-negative.
Note: In-silico variant effect predictors (SIFT, PolyPhen, REVEL, CADD) may underestimate pathogenicity of missense variants in genes with GOF or DN mechanisms. Consider functional evidence and clinical context.
Predictions from Badonyi M, Marsh JA. PLoS ONE. 2024;19(8):e0307312.
ClinVar Variant Classifications
0 submitted variants in ClinVar
Protein Context — Lollipop Plot
TSR3 · protein map & ClinVar variants
Showing all ClinVar variants across the protein. Search a specific variant to highlight its position.
3D Protein StructureAlphaFold
External Resources
Links to major genomics databases and tools
Clinical Trials
Active and recruiting trials from ClinicalTrials.gov
No active trials found for this gene.
Search ClinicalTrials.gov →External Resources
Links to major genomics databases and tools