Is CELSR1 p.Ala43Ser (c.127G>T) pathogenic?

CELSR1 p.Ala43Ser (c.127G>T) is classified Uncertain significance in CELSR1 (ClinVar, Single submitter, 1 submitter; last evaluated 2025-08-29). AlphaMissense: likely benign (0.089); No allele count reported in gnomAD v4.1 (AN 1,093,060).

How common is CELSR1 p.Ala43Ser (c.127G>T) in the general population?

CELSR1 p.Ala43Ser (c.127G>T) is no allele count reported in gnomAD v4.1 (AN 1,093,060) (gnomAD).

What do computational predictors say about CELSR1 p.Ala43Ser (c.127G>T)?

AlphaMissense predicts likely benign (score 0.089) — an in-silico prediction, not a clinical call.

CELSR1 p.Ala43Ser

c.127G>T · VCV4225282

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.089 · ACMG-weighted

gnomAD v4.1

Not reported

no allele count reported in gnomAD v4.1 (AN 1,093,060)

Missense predictors

0/2 damaging

AlphaMissense, REVEL · SaProt no call

Computational evidence

Protein change
AlphaMissense	0.089	likely benign
REVEL	0.047	moderately benign-leaning
SaProt	—	not scored · why
⇒ AlphaMissense and REVEL both call this tolerated; SaProt makes no call.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 0.26	GERP -0.061, phastCons 0.001
Regional constraint	o/e 1.06	unconstrained · MANE · 1,320 bp · p 0.15 · regional, not allelic
Overall
CADD	6.702	PHRED · no single calibrated threshold — expert panels disagree

ClinVar classifies this uncertain; the computational predictors unanimously lean tolerated — a triage signal, not a reclassification

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

Population frequency

gnomAD v4.1 · exomes + genomes

No allele count reported in gnomAD v4.1 (AN 1,093,060). 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: CELSR1
Protein: p.Ala43Ser
Coding: c.127G>T
MANE Select: NM_001378328
Type: single nucleotide variant
Location: chr22:46537044 (GRCh38)
Gene constraint: LOEUF 0.564 · pLI <0.01 (gnomAD)

Full CELSR1 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

CELSR1 p.Ala43Pro Uncertain significance ★ ⚠ same residue
CELSR1 p.Ala2442Val Uncertain significance ★★ ⚠ same type
CELSR1 p.Ala2955Thr Uncertain significance ★★ ⚠ same type
CELSR1 p.Ala396Ser Uncertain significance ★★ ⚠ same type
CELSR1 p.Ala617Ser Uncertain significance ★★ ⚠ same type
CELSR1 p.Arg1323Gln Uncertain significance ★★ ⚠ same type
CELSR1 p.Arg1379His Uncertain significance ★★ ⚠ same type
CELSR1 p.Arg1643Gln 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/celsr1-p-ala43ser (accessed [today's date]).

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