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TRAPPC9 p.Ser442=

c.1326G>A · rs145960296 · VCV212416

Conflicting classifications of pathogenicity Conflicting submitters
Classification
Conflicting classifications of pathogenicity
ClinVar
Review
Conflicting submitters ★☆☆☆
ClinVar · 5 submitters
gnomAD v4.1
Rare
rare (popmax 0.198%, sas)
Conditions
1
Inborn genetic diseases

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL0.041moderately benign-leaning
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP -20GERP -3.5
Overall
CADD0.092PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.198% South Asian · 180/91,086 alleles
Filtering AF 0.174% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.165%
Overall 0.103% 1,664/1,614,236 alleles · rare exomes 1,560/1,461,866 · genomes 104/152,370 · joint denominator
Ancestry group Frequency 1 in
South Asiangrpmax 0.198% 506
Finnishnot grpmax-eligible 0.197% 508
European (non-Finnish) 0.108% 928
Middle Eastern 0.0993% 1,007
Remaining individualsnot grpmax-eligible 0.0928% 1,078
Admixed American 0.0233% 4,288
East Asian 0.00891% 11,220
African / African-American 0.00666% 15,014

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
TRAPPC9
Protein
p.Ser442=
Coding
c.1326G>A
MANE Select
NM_001160372
dbSNP
rs145960296
Type
single nucleotide variant
Location
chr8:140370989 (GRCh38)
Gene constraint
LOEUF 0.786 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 82.98
Full TRAPPC9 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/trappc9-p-ser442 (accessed [today's date]).

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