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CD40LG p.Ser12fs

c.34dup · VCV4733951

Pathogenic Single submitter
Classification
Pathogenic
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
Consequence
frameshift
predicted LoF
gnomAD v4.1
Rare
Conditions
1
hyper-IgM syndrome type 1

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Consequenceframeshiftpredicted loss-of-function in a haploinsufficient gene (ClinGen)
NMDpredictedpremature termination codon in exon 1 of 5
Splicing
SpliceAI—not assessed · substitutions only
Constraint at this position
ConservationphyloP 0.77GERP -3.5, phastCons 0.57

Predicted loss-of-function is descriptive, not an applied PVS1 code.

Variant & gene context

Gene
CD40LG
Protein
p.Ser12fs
Coding
c.34dup
MANE Select
NM_000074
Type
Duplication
Location
chrX:136648281 (GRCh38)
Structure
AlphaFold pLDDT 82.34 · 8 PDB
Full CD40LG 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/cd40lg-p-ser12fs (accessed [today's date]).

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