Is PRKDC p.Arg2452= (c.7356A>G) pathogenic?

PRKDC p.Arg2452= (c.7356A>G) is classified Likely benign in PRKDC (ClinVar, Single submitter, 1 submitter; last evaluated 2023-11-03). Absent from gnomAD v4.1; Associated with severe combined immunodeficiency due to DNA-PKcs deficiency.

What condition is associated with PRKDC p.Arg2452= (c.7356A>G)?

PRKDC p.Arg2452= (c.7356A>G) is associated with severe combined immunodeficiency due to DNA-PKcs deficiency (ClinVar).

How common is PRKDC p.Arg2452= (c.7356A>G) in the general population?

PRKDC p.Arg2452= (c.7356A>G) is absent from gnomAD v4.1 (gnomAD).

PRKDC p.Arg2452=

Q: How is Severe combined immunodeficiency due to DNA-PKcs deficiency inherited?

Typically Autosomal recessive (Orphanet). A genetic counselor can assess individual risk for a family.

c.7356A>G · rs2551867926 · VCV2693075

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Absent

absent from gnomAD v4.1

Conditions

severe combined immunodeficiency due to DNA-PKcs 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
Conservation	phyloP 0.16	GERP -3.9, phastCons 0.88
Overall
CADD	1.672	PHRED · 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: PRKDC
Protein: p.Arg2452=
Coding: c.7356A>G
MANE Select: NM_006904
dbSNP: rs2551867926
Type: single nucleotide variant
Location: chr8:47840114 (GRCh38)
Gene constraint: LOEUF 0.183 · pLI 1.00 (gnomAD)
Residue 2452: the 'kip-binding' region; an α-helix

Full PRKDC gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

severe combined immunodeficiency due to DNA-PKcs deficiency — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

For Severe combined immunodeficiency due to DNA-PKcs deficiency (Orphanet):

Inheritance: Autosomal recessive
Onset: Infancy, Neonatal

Similar variants

PRKDC p.Arg2452Gln Uncertain significance ★★ same residue
PRKDC c.2259+6C>T Uncertain significance ★★ same condition
PRKDC c.3464+4G>A Uncertain significance ★★ same condition
PRKDC c.5235+6T>C Uncertain significance ★★ same condition
PRKDC c.5919+5G>A Uncertain significance ★★ same condition
PRKDC p.Ala1008Val Uncertain significance ★★ ⚠ same condition
PRKDC p.Ala1103Val Uncertain significance ★★ ⚠ same condition
PRKDC p.Ala1130Ser Uncertain significance ★★ ⚠ same condition

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/prkdc-p-arg2452 (accessed [today's date]).

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