Is PRKDC p.Pro447Ser (c.1339C>T) pathogenic?

PRKDC p.Pro447Ser (c.1339C>T) is classified Uncertain significance in PRKDC (ClinVar, Single submitter, 1 submitter; last evaluated 2022-05-04). AlphaMissense: likely benign (0.3098); Very rare (popmax 0.0011%, sas).

How common is PRKDC p.Pro447Ser (c.1339C>T) in the general population?

PRKDC p.Pro447Ser (c.1339C>T) is very rare (popmax 0.0011%, sas) (gnomAD).

What do computational predictors say about PRKDC p.Pro447Ser (c.1339C>T)?

AlphaMissense predicts likely benign (score 0.3098) — an in-silico prediction, not a clinical call.

PRKDC p.Pro447Ser

c.1339C>T · rs1218820091 · VCV1770301

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.3098 · ACMG-weighted

gnomAD v4.1

Rare

very rare (popmax 0.0011%, sas)

Computational evidence

Protein change
AlphaMissense	0.3098	likely benign
REVEL	0.512	indeterminate
SaProt	—	not scored · why
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 9.9	GERP 1.7, phastCons 1
Regional constraint	o/e 0.95	unconstrained · MANE · 90 kb · p 0.028 · regional, not allelic
Overall
CADD	25.3	PHRED · no single calibrated threshold — expert panels disagree

AlphaMissense carries the ACMG weight for missense; REVEL is an independent agreement signal.

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.0011% South Asian · 1/91,084 alleles

Overall 6.2e-05% 1/1,613,914 alleles · very rare exomes 1/1,461,692 · genomes 0/152,222 · joint denominator

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: PRKDC
Protein: p.Pro447Ser
Coding: c.1339C>T
MANE Select: NM_006904
dbSNP: rs1218820091
Type: single nucleotide variant
Location: chr8:47935840 (GRCh38)
Gene constraint: LOEUF 0.183 · pLI 1.00 (gnomAD)
Residue 447: an α-helix

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

Similar variants

PRKDC p.Pro447= Likely benign ★★ same residue
PRKDC c.2259+6C>T Uncertain significance ★★ same type
PRKDC c.3464+4G>A Uncertain significance ★★ same type
PRKDC c.5235+6T>C Uncertain significance ★★ same type
PRKDC c.5919+5G>A Uncertain significance ★★ same type
PRKDC p.Ala1008Val Uncertain significance ★★ ⚠ same type
PRKDC p.Ala1103Val Uncertain significance ★★ ⚠ same type
PRKDC p.Ala1130Ser Uncertain significance ★★ ⚠ same type

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-pro447ser (accessed [today's date]).

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