Is AGPS c.710-2A>G pathogenic?

AGPS c.710-2A>G is classified Likely pathogenic in AGPS (ClinVar, Single submitter, 1 submitter; last evaluated 2022-05-01). Absent from gnomAD v4.1; Associated with rhizomelic chondrodysplasia punctata type 3.

What condition is associated with AGPS c.710-2A>G?

AGPS c.710-2A>G is associated with rhizomelic chondrodysplasia punctata type 3 (ClinVar).

How common is AGPS c.710-2A>G in the general population?

AGPS c.710-2A>G is absent from gnomAD v4.1 (gnomAD).

How is Rhizomelic chondrodysplasia punctata inherited?

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

AGPS c.710-2A>G

rs2468557012 · VCV2674962

Likely pathogenic Single submitter

Classification

Likely pathogenic

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

Consequence

canonical splice-site (±1/±2)

predicted LoF

gnomAD v4.1

Not reported

no allele count reported in gnomAD v4.1 (AN 1,612,068)

Conditions

rhizomelic chondrodysplasia punctata type 3

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation/SpliceAI carries the signal.
Consequence	canonical splice-site (±1/±2)	predicted loss-of-function in a LoF-intolerant gene
Splicing
Splice region	acceptor -2	canonical splice dinucleotide (acceptor -2) · inside the BP7-excluded zone
SpliceAI	Δ0.98	acceptor loss, 2 bp away · masked 0 · deltas
Pangolin	Δ0.88	loss · gain 0.01 · agrees with SpliceAI · independent
Constraint at this position
Conservation	phyloP 11	GERP 2.2, phastCons 1
Overall
CADD	29.7	PHRED · no single calibrated threshold — expert panels disagree

Predicted loss-of-function is descriptive, not an applied PVS1 code.

Population frequency

gnomAD v4.1 · exomes + genomes

No allele count reported in gnomAD v4.1 (AN 1,612,068). This is missing data, not an absence: the variant may or may not be present in gnomAD. Rarity (ACMG PM2) and BA1/BS1 cannot be assessed for it.

Variant & gene context

Gene: AGPS
Coding: c.710-2A>G
MANE Select: NM_003659
dbSNP: rs2468557012
Type: single nucleotide variant
Location: chr2:177442405 (GRCh38)
Gene constraint: LOEUF 0.408 · pLI 1.00 (gnomAD)
Structure: AlphaFold pLDDT 89.27

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

Disease context

rhizomelic chondrodysplasia punctata type 3 — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

For Rhizomelic chondrodysplasia punctata (Orphanet):

Inheritance: Autosomal recessive
Onset: Antenatal, Neonatal
Prevalence: 1-9 / 1 000 000 (Europe)

Similar variants

AGPS p.Arg182Ter Pathogenic/Likely pathogenic ★★ same condition
AGPS p.Thr309Ile Likely pathogenic ★★ same condition
AGPS c.1855+6C>A Uncertain significance ★★ same condition
AGPS c.*118A>G Uncertain significance ★★ same condition
AGPS p.Asp28Val Uncertain significance ★★ ⚠ same condition
AGPS p.Pro415Leu Uncertain significance ★★ ⚠ same condition
AGPS p.Thr72Ala Uncertain significance ★★ ⚠ same condition
AGPS c.1233+14T>A Benign/Likely benign ★★ 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/agps-c-710-minus-2a-g (accessed [today's date]).

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