Is CAMSAP1 p.Met308Lys (c.923T>A) pathogenic?

CAMSAP1 p.Met308Lys (c.923T>A) is classified Uncertain significance in CAMSAP1 (ClinVar, Single submitter, 1 submitter; last evaluated 2024-04-09). AlphaMissense: likely pathogenic (0.7629); Absent from gnomAD v4.1; Associated with Inborn genetic diseases.

What condition is associated with CAMSAP1 p.Met308Lys (c.923T>A)?

CAMSAP1 p.Met308Lys (c.923T>A) is associated with Inborn genetic diseases (ClinVar).

How common is CAMSAP1 p.Met308Lys (c.923T>A) in the general population?

CAMSAP1 p.Met308Lys (c.923T>A) is absent from gnomAD v4.1 (gnomAD).

What do computational predictors say about CAMSAP1 p.Met308Lys (c.923T>A)?

AlphaMissense predicts likely pathogenic (score 0.7629) — an in-silico prediction, not a clinical call.

CAMSAP1 p.Met308Lys

c.923T>A · VCV3263050

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely pathogenic

0.7629 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Missense predictors

3/3 damaging

AlphaMissense, REVEL, SaProt

Conditions

Inborn genetic diseases

Computational evidence

Protein change
AlphaMissense	0.7629	likely pathogenic
REVEL	0.906	moderately pathogenic-leaning
SaProt	LLR -15.35	damaging
⇒ AlphaMissense, REVEL and SaProt all call this damaging.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 11	GERP 1.8, phastCons 1
Regional constraint	o/e 0.74	unconstrained · MANE · 54 kb · p 7.9e-06 · regional, not allelic
Overall
CADD	24.3	PHRED · no single calibrated threshold — expert panels disagree

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

AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.

Population frequency

gnomAD v4.1 · exomes + genomes

Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.

Variant & gene context

Gene: CAMSAP1
Protein: p.Met308Lys
Coding: c.923T>A
MANE Select: NM_015447
Type: single nucleotide variant
Location: chr9:135850347 (GRCh38)
Gene constraint: LOEUF 0.544 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 55.21 · 4 PDB
Residue 308: the calponin-homology (ch) domain

Full CAMSAP1 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

Inborn genetic diseases — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

CAMSAP1 p.Leu29Met Uncertain significance ★★ ⚠ same condition
CAMSAP1 c.4387+6G>A Uncertain significance ★ same condition
CAMSAP1 p.Ala1105Val Uncertain significance ★ ⚠ same condition
CAMSAP1 p.Ala1243Val Uncertain significance ★ ⚠ same condition
CAMSAP1 p.Ala1323Val Uncertain significance ★ ⚠ same condition
CAMSAP1 p.Ala1405Thr Uncertain significance ★ ⚠ same condition
CAMSAP1 p.Ala1405Val Uncertain significance ★ ⚠ same condition
CAMSAP1 p.Ala1452Gly Uncertain significance ★ ⚠ 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/camsap1-p-met308lys (accessed [today's date]).

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