Is MCM4 p.Val327= (c.981G>A) pathogenic?

MCM4 p.Val327= (c.981G>A) is classified Likely benign in MCM4 (ClinVar, Single submitter, 1 submitter; last evaluated 2023-10-05). No allele count reported in gnomAD v4.1 (AN 1,613,960).

How common is MCM4 p.Val327= (c.981G>A) in the general population?

MCM4 p.Val327= (c.981G>A) is no allele count reported in gnomAD v4.1 (AN 1,613,960) (gnomAD).

MCM4 p.Val327=

c.981G>A · rs1222613173 · VCV3001505

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 1,613,960)

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
Conservation	phyloP -5.4	GERP -4.8
Overall
CADD	1.7	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

No allele count reported in gnomAD v4.1 (AN 1,613,960). 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: MCM4
Protein: p.Val327=
Coding: c.981G>A
MANE Select: NM_182746
dbSNP: rs1222613173
Type: single nucleotide variant
Location: chr8:47966335 (GRCh38)
Gene constraint: LOEUF 0.806 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 74.25 · 28 PDB

Full MCM4 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

MCM4 c.71-2A>G Pathogenic ★★ same type
MCM4 c.-74C>T Uncertain significance ★★ same type
MCM4 c.*56G>A Uncertain significance ★★ same type
MCM4 p.Ala141Gly Uncertain significance ★★ ⚠ same type
MCM4 p.Ala436Thr Uncertain significance ★★ ⚠ same type
MCM4 p.Ala668Thr Uncertain significance ★★ ⚠ same type
MCM4 p.Ala685Val Uncertain significance ★★ ⚠ same type
MCM4 p.Ala694Thr 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/mcm4-p-val327 (accessed [today's date]).

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