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DEF6 p.Leu392=

c.1176G>A · rs1321554688 · VCV1983712

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00431%, afr)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP 1.2GERP 2, phastCons 1
Overall
CADD12.63PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00431% African / African-American · 3/69,596 alleles
Filtering AF 0.00114% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000617%
Overall 0.0002% 3/1,496,758 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
DEF6
Protein
p.Leu392=
Coding
c.1176G>A
MANE Select
NM_022047
dbSNP
rs1321554688
Type
single nucleotide variant
Location
chr6:35318432 (GRCh38)
Gene constraint
LOEUF 0.61 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 78.91
Residue 392
a UniProt-annotated variant site (in imd87; protein not detected in homozygous patient t cells or when the mutant is expressed in a heterologous system)
Full DEF6 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/def6-p-leu392 (accessed [today's date]).

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