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CD47 p.Val238Ile

c.712G>A · rs1218151856 · VCV3140601

Uncertain significance Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
AlphaMissense
likely benign
0.1343 · ACMG-weighted
gnomAD v4.1
Rare
very rare (popmax 0.00674%, afr)
Missense predictors
0/3 damaging
AlphaMissense, REVEL, SaProt

Computational evidence

Protein change
AlphaMissense0.1343likely benign
REVEL0.077moderately benign-leaning
SaProtLLR -5.07tolerated
⇒ AlphaMissense, REVEL and SaProt all call this tolerated.
Splicing
SpliceAI<0.2all four deltas below 0.2 · C>A here scores Δ0.33 · evaluated, not missing
Constraint at this position
ConservationphyloP 1.9GERP -2.8, phastCons 1
Regional constrainto/e 0.97unconstrained · MANE · 12 kb · p 0.71 · regional, not allelic
Overall
CADD19.91PHRED · no single calibrated threshold — expert panels disagree

ClinVar classifies this uncertain; the computational predictors unanimously lean tolerated — a triage signal, not a reclassification

AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00674% African / African-American · 5/74,220 alleles
Filtering AF 0.00257% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00163%
Overall 0.00237% 37/1,564,410 alleles · very rare
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.00674% 14,844
Admixed American 0.00383% 26,141
European (non-Finnish) 0.00243% 41,163
Remaining individualsnot grpmax-eligible 0.00165% 60,636
South Asian 0.00118% 85,002

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
CD47
Protein
p.Val238Ile
Coding
c.712G>A
MANE Select
NM_001777
dbSNP
rs1218151856
Type
single nucleotide variant
Location
chr3:108058409 (GRCh38)
Gene constraint
LOEUF 0.725 · pLI 0.76 (gnomAD)
Structure
AlphaFold pLDDT 86.48 · 15 PDB
Residue 238
a disulfide bond; an α-helix
Full CD47 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/cd47-p-val238ile (accessed [today's date]).

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