Is CAD p.Gly89= (c.267A>G) pathogenic?

CAD p.Gly89= (c.267A>G) is classified Likely benign in CAD (ClinVar, Single submitter, 1 submitter; last evaluated 2024-10-01). Absent from gnomAD v4.1.

How common is CAD p.Gly89= (c.267A>G) in the general population?

CAD p.Gly89= (c.267A>G) is absent from gnomAD v4.1 (gnomAD).

CAD p.Gly89=

c.267A>G · VCV3389980

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Not reported

no allele count reported in gnomAD v4.1 (AN 1,585,932)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI	<0.2	all four deltas below 0.2 · A>T here scores Δ0.27 · evaluated, not missing
Constraint at this position
Conservation	phyloP 2.9	GERP -0.98, phastCons 1
Overall
CADD	10.48	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

No allele count reported in gnomAD v4.1 (AN 1,585,932). 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: CAD
Protein: p.Gly89=
Coding: c.267A>G
MANE Select: NM_004341
Type: single nucleotide variant
Location: chr2:27221262 (GRCh38)
Gene constraint: LOEUF 0.409 · pLI 1.00 (gnomAD)
Structure: AlphaFold pLDDT 87.25 · 57 PDB
Residue 89: the 'gatase (glutamine amidotransferase)' region

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

Similar variants

CAD p.Gly89Arg Uncertain significance ★★ ⚠ same residue
CAD p.Gly89Ter Pathogenic ★ same residue
CAD p.Arg1789Ter Pathogenic ★★ same type
CAD p.Arg1810Gln Pathogenic/Likely pathogenic ★★ ⚠ same type
CAD p.Arg191Ter Pathogenic ★★ same type
CAD p.Gln1604Ter Likely pathogenic ★★ same type
CAD p.Met33Arg Pathogenic ★★ same type
CAD c.1254+6G>A 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/cad-p-gly89 (accessed [today's date]).

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