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CD248 p.Ala677=

c.2031C>T · rs145242086 · VCV721839

Benign Single submitter
Classification
Benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
rare (popmax 0.359%, 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
Constraint at this position
ConservationphyloP -1.1GERP -2.5, phastCons 0.001
Overall
CADD0.546PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.359% African / African-American · 269/75,028 alleles
Filtering AF 0.323% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.31%
Overall 0.0182% 293/1,611,010 alleles · rare
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.359% 279
Remaining individualsnot grpmax-eligible 0.0192% 5,199
Admixed American 0.00834% 11,986
South Asian 0.0011% 90,936
European (non-Finnish) 0.000509% 196,422

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
CD248
Protein
p.Ala677=
Coding
c.2031C>T
MANE Select
NM_020404
dbSNP
rs145242086
Type
single nucleotide variant
Location
chr11:66314997 (GRCh38)
Gene constraint
LOEUF 1.594 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 63.70
Full CD248 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/cd248-p-ala677 (accessed [today's date]).

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