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CAMSAP1 p.Asp21Gly

c.62A>G · VCV3263035

Uncertain significance Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
AlphaMissense
likely benign
0.0917 · ACMG-weighted
gnomAD v4.1
Rare
ultra-rare (popmax 0.02%, afr)
Missense predictors
0/3 damaging
AlphaMissense, REVEL, SaProt
Conditions
1
Inborn genetic diseases

Computational evidence

Protein change
AlphaMissense0.0917likely benign
REVEL0.03moderately benign-leaning
SaProtLLR -4.74tolerated
⇒ AlphaMissense, REVEL and SaProt all call this tolerated.
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP 6.7GERP 0.32, phastCons 1
Regional constrainto/e 1.10unconstrained · MANE · 25 kb · p 0.18 · regional, not allelic
Overall
CADD23.0PHRED · 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 and SaProt are independent agreement signals.

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.02% African / African-American · 12/60,120 alleles
Filtering AF 0.0115% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00896%
Overall 0.00122% 14/1,144,524 alleles · ultra-rare
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.02% 5,010
Admixed American 0.00502% 19,938
European (non-Finnish) 0.000108% 928,764

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
CAMSAP1
Protein
p.Asp21Gly
Coding
c.62A>G
MANE Select
NM_015447
Type
single nucleotide variant
Location
chr9:135907098 (GRCh38)
Gene constraint
LOEUF 0.544 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 55.21 · 4 PDB
Full CAMSAP1 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

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-asp21gly (accessed [today's date]).

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