Is MAX p.Ser107= (c.321A>G) pathogenic?

MAX p.Ser107= (c.321A>G) is classified Likely benign in MAX (ClinVar, Multiple submitters, 2 submitters; last evaluated 2025-04-17). Absent from gnomAD v4.1; Associated with hereditary neoplastic syndrome.

What condition is associated with MAX p.Ser107= (c.321A>G)?

MAX p.Ser107= (c.321A>G) is associated with hereditary neoplastic syndrome, hereditary pheochromocytoma-paraganglioma (ClinVar).

How common is MAX p.Ser107= (c.321A>G) in the general population?

MAX p.Ser107= (c.321A>G) is absent from gnomAD v4.1 (gnomAD).

MAX p.Ser107=

c.321A>G · rs1373955637 · VCV1729039

Likely benign Multiple submitters

Classification

Likely benign

ClinVar

Review

Multiple submitters ★★☆☆

ClinVar · 2 submitters

gnomAD v4.1

Absent

absent from gnomAD v4.1

Conditions

hereditary neoplastic syndrome

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL	0.209	benign-leaning
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP -1.4	GERP -3.9
Overall
CADD	5.561	PHRED · no single calibrated threshold — expert panels disagree

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: MAX
Protein: p.Ser107=
Coding: c.321A>G
MANE Select: NM_002382
dbSNP: rs1373955637
Type: single nucleotide variant
Location: chr14:65076638 (GRCh38)
Gene constraint: LOEUF 0.288 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Structure: AlphaFold pLDDT 82.07 · 12 PDB
Residue 107: a modified residue (phosphoserine); a UniProt-annotated variant site (in pcc; does not repress myc transcriptional activity); a UniProt-annotated variant site (in pcc; uncertain significance); the 'disordered' region

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

Disease context

hereditary neoplastic syndrome — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Also linked: hereditary pheochromocytoma-paraganglioma

Similar variants

MAX p.Ser107Ter Pathogenic ★ same residue
MAX p.Ser107Leu Uncertain significance ★ ⚠ same residue
MAX c.295+1G>A Pathogenic ★★ same condition
MAX c.295+1G>T Pathogenic ★★ same condition
MAX p.Ala67Asp Pathogenic/Likely pathogenic ★★ same condition
MAX p.Arg33Ter Pathogenic ★★ same condition
MAX p.Arg75Ter Pathogenic ★★ same condition
MAX p.Gln19Ter Pathogenic/Likely pathogenic ★★ 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/max-p-ser107 (accessed [today's date]).

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