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PCNT p.Arg3280Ter

c.9838A>T · VCV3673191

Pathogenic Single submitter
Classification
Pathogenic
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
Consequence
nonsense (stop-gain)
predicted LoF
gnomAD v4.1
Absent
absent from gnomAD v4.1

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation/SpliceAI carries the signal.
Consequencenonsense (stop-gain)predicted loss-of-function
NMDpredictedpremature termination codon in exon 45 of 47
Splicing
SpliceAIΔ0.24donor loss · deltas
PangolinΔ0.38loss · gain 0.00 · agrees with SpliceAI · independent
Constraint at this position
ConservationphyloP 4.2phastCons 1
Overall
CADD47.0PHRED · no single calibrated threshold — expert panels disagree

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

Population frequency

gnomAD v4.1 · exomes + genomes

Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.

Variant & gene context

Gene
PCNT
Protein
p.Arg3280Ter
Coding
c.9838A>T
MANE Select
NM_006031
Type
single nucleotide variant
Location
chr21:46443947 (GRCh38)
Gene constraint
LOEUF 0.943 · pLI <0.01 (gnomAD)
Residue 3280
the 'disordered' region
Full PCNT 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/pcnt-p-arg3280ter (accessed [today's date]).

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