Is PGAM2 p.Lys61= (c.183G>A) pathogenic?

PGAM2 p.Lys61= (c.183G>A) is classified Likely benign in PGAM2 (ClinVar, Single submitter, 1 submitter; last evaluated 2023-05-13). Very rare (popmax 0.00271%, nfe); Associated with glycogen storage disease due to phosphoglycerate mutase deficiency.

What condition is associated with PGAM2 p.Lys61= (c.183G>A)?

PGAM2 p.Lys61= (c.183G>A) is associated with glycogen storage disease due to phosphoglycerate mutase deficiency (ClinVar).

How common is PGAM2 p.Lys61= (c.183G>A) in the general population?

PGAM2 p.Lys61= (c.183G>A) is very rare (popmax 0.00271%, nfe) (gnomAD).

PGAM2 p.Lys61=

Q: How is Glycogen storage disease due to phosphoglycerate mutase deficiency inherited?

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

c.183G>A · rs202091578 · VCV1980434

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Rare

very rare (popmax 0.00271%, nfe)

Conditions

glycogen storage disease due to phosphoglycerate mutase deficiency

⚠ Built without this gene's context — gene constraint and dosage, protein structure, pathways, panels and related-variant links were not looked up for this page. why

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI	—	not looked up on this page · why
Constraint at this position
Conservation	phyloP 0.83	GERP 0.74, phastCons 1
Overall
CADD	16.2	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00271% European (non-Finnish) · 32/1,180,036 alleles

Filtering AF 0.00196% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00168%

Overall 0.00204% 33/1,613,868 alleles · very rare exomes 33/1,461,528 · genomes 0/152,340 · joint denominator

Ancestry group	Frequency	1 in
European (non-Finnish)grpmax	0.00271%	36,876
East Asian	0.00223%	44,894

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: PGAM2
Protein: p.Lys61=
Coding: c.183G>A
MANE Select: NM_000290
dbSNP: rs202091578
Type: single nucleotide variant
Location: chr7:44065347 (GRCh38)

Full PGAM2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

glycogen storage disease due to phosphoglycerate mutase deficiency — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

For Glycogen storage disease due to phosphoglycerate mutase deficiency (Orphanet):

Inheritance: Autosomal recessive
Onset: Adolescent, Childhood

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/pgam2-p-lys61 (accessed [today's date]).

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