Send feedback

TRRAP p.Ser1263=

c.3789G>A · rs782371585 · VCV2891762

Likely benign Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0512%, eas)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL0.058moderately benign-leaning
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP -3.5GERP -3.7
Overall
CADD1.64PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0512% East Asian · 23/44,890 alleles
Filtering AF 0.035% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0296%
Overall 0.00254% 41/1,614,092 alleles · ultra-rare
Ancestry group Frequency 1 in
East Asiangrpmax 0.0512% 1,952
Admixed American 0.01% 10,002
Remaining individualsnot grpmax-eligible 0.0032% 31,241
Finnishnot grpmax-eligible 0.00156% 64,040
South Asian 0.0011% 91,086
European (non-Finnish) 0.000678% 147,507

Rarity supports pathogenicity (ACMG PM2); frequency above a disease-specific BA1/BS1 threshold argues against it. A variant frequent in one ancestry group can be near-absent in others, so a single global figure can mislead.

Variant & gene context

Gene
TRRAP
Protein
p.Ser1263=
Coding
c.3789G>A
MANE Select
NM_001375524
dbSNP
rs782371585
Type
single nucleotide variant
Location
chr7:98931602 (GRCh38)
Gene constraint
LOEUF 0.115 · pLI 1.00 · ClinGen HI 1/3 (gnomAD)
Residue 1263
an α-helix
Full TRRAP gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

Built on 18 open, versioned datasets — ClinVar, gnomAD, AlphaMissense, REVEL, ClinGen & more — plus Sugi Variant's own cross-source analysis. Source data 2026-01–2026-10, ClinVar 2026-10. Full sources & versions →

Cite Sugi Variant

Gür T. Sugi Variant: A Deterministic Per-Variant Germline Reference from a Knowledge Graph for Humans and AI Agents. 2026. doi:10.5281/zenodo.21509445. This variant: https://sugi.bio/variant/trrap-p-ser1263 (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown