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MCPH1 p.Arg485=

c.1453C>A · rs369806832 · VCV2998943

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.005%, amr)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP -0.1GERP -2.4
Overall
CADD1.843PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.005% Admixed American · 3/60,006 alleles
Filtering AF 0.00133% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000668%
Overall 0.000186% 3/1,614,104 alleles · very rare exomes 2/1,461,872 · genomes 1/152,232 · joint denominator

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
MCPH1
Protein
p.Arg485=
Coding
c.1453C>A
MANE Select
NM_024596
dbSNP
rs369806832
Type
single nucleotide variant
Location
chr8:6445175 (GRCh38)
Gene constraint
LOEUF 1.342 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 59.80 · 9 PDB
Full MCPH1 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/mcph1-p-arg485 (accessed [today's date]).

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