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TYROBP p.Ser99=

c.297G>A · rs767843323 · VCV1519128

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00936%, afr)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI—not assessed · no allele here is in the release
PangolinΔ0.20loss · gain 0.00 · not in the SpliceAI release · independent
Constraint at this position
ConservationphyloP -0.67GERP -1.4, phastCons 0.041
Overall
CADD11.11PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00936% African / African-American · 7/74,816 alleles
Filtering AF 0.00438% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00309%
Overall 0.00136% 22/1,613,246 alleles · very rare exomes 18/1,461,236 · genomes 4/152,010 · joint denominator
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.00936% 10,688
East Asian 0.00891% 11,220
Admixed American 0.00668% 14,981
Remaining individualsnot grpmax-eligible 0.0016% 62,456
South Asian 0.0011% 90,832
European (non-Finnish) 0.000424% 235,954

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
TYROBP
Protein
p.Ser99=
Coding
c.297G>A
MANE Select
NM_003332
dbSNP
rs767843323
Type
single nucleotide variant
Location
chr19:35904614 (GRCh38)
Gene constraint
LOEUF 1.274 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Structure
AlphaFold pLDDT 64.10 · 5 PDB
Residue 99
the itam domain; the 'disordered' region
Full TYROBP 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/tyrobp-p-ser99 (accessed [today's date]).

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