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AVIL p.Gln444Ter

c.1330C>T · VCV4278441

Uncertain significance Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
Consequence
nonsense (stop-gain)
predicted LoF
gnomAD v4.1
Absent
absent from gnomAD v4.1
Conditions
1
nephrotic syndrome, type 21

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 12 of 20
Splicing
SpliceAIΔ0.74donor loss · deltas
PangolinΔ0.53loss · gain 0.34 · agrees with SpliceAI · independent
Constraint at this position
ConservationphyloP 12GERP 2.2, phastCons 1
Overall
CADD55.0PHRED · 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
AVIL
Protein
p.Gln444Ter
Coding
c.1330C>T
MANE Select
NM_006576
Type
single nucleotide variant
Location
chr12:57807592 (GRCh38)
Gene constraint
LOEUF 0.81 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 79.82 · 1 PDB
Residue 444
the 'core' region
Full AVIL 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/avil-p-gln444ter (accessed [today's date]).

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