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LIG4 p.Lys376=

c.1128G>A · rs1472398271 · VCV2709379

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Absent
absent from gnomAD v4.1
Conditions
1
DNA ligase IV deficiency

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 -0.23GERP -5.2, phastCons 0.23
Overall
CADD5.34PHRED · no single calibrated threshold — expert panels disagree

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
LIG4
Protein
p.Lys376=
Coding
c.1128G>A
MANE Select
NM_206937
dbSNP
rs1472398271
Type
single nucleotide variant
Location
chr13:108210141 (GRCh38)
Gene constraint
LOEUF 1.043 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Structure
AlphaFold pLDDT 88.44 · 32 PDB
Full LIG4 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

DNA ligase IV deficiency — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

For LIG4 syndrome (Orphanet):

Inheritance
Autosomal recessive
Onset
Infancy, Neonatal

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/lig4-p-lys376 (accessed [today's date]).

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