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CD40 c.51+7T>C

rs773611902 · VCV1723248

Uncertain significance Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.000763%, nfe)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
Splice regiondonor +7near-intronic (+7 nt from the splice site) · inside the BP7-excluded zone
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP 0.36GERP -1, phastCons 0.86
Overall
CADD13.5PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.000763% European (non-Finnish) · 9/1,179,802 alleles
Filtering AF 0.000359% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00026%
Overall 0.000558% 9/1,613,552 alleles · very rare

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
CD40
Coding
c.51+7T>C
MANE Select
NM_001250
dbSNP
rs773611902
Type
single nucleotide variant
Location
chr20:46118401 (GRCh38)
Gene constraint
LOEUF 0.677 · pLI 0.03 (gnomAD)
Structure
AlphaFold pLDDT 81.10 · 14 PDB
Full CD40 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/cd40-c-51-plus-7t-c (accessed [today's date]).

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