Is SLMAP p.Ser235Gly (c.703A>G) pathogenic?

SLMAP p.Ser235Gly (c.703A>G) is classified Uncertain significance in SLMAP (ClinVar, Single submitter, 1 submitter; last evaluated 2018-03-27). AlphaMissense: likely benign (0.0704); Very rare (popmax 0.000258%, nfe); Associated with Brugada syndrome.

What condition is associated with SLMAP p.Ser235Gly (c.703A>G)?

SLMAP p.Ser235Gly (c.703A>G) is associated with Brugada syndrome (ClinVar).

How common is SLMAP p.Ser235Gly (c.703A>G) in the general population?

SLMAP p.Ser235Gly (c.703A>G) is very rare (popmax 0.000258%, nfe) (gnomAD).

How is Brugada syndrome inherited?

Typically Autosomal dominant, Not applicable (Orphanet). A genetic counselor can assess individual risk for a family.

What do computational predictors say about SLMAP p.Ser235Gly (c.703A>G)?

AlphaMissense predicts likely benign (score 0.0704) — an in-silico prediction, not a clinical call.

SLMAP p.Ser235Gly

c.703A>G · rs774215191 · VCV567563

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely benign

0.0704 · ACMG-weighted

gnomAD v4.1

Rare

very rare (popmax 0.000258%, nfe)

Missense predictors

0/3 damaging

AlphaMissense, REVEL, SaProt

Conditions

Brugada syndrome

Computational evidence

Protein change
AlphaMissense	0.0704	likely benign
REVEL	0.1	moderately benign-leaning
SaProt	LLR -7.21	tolerated
⇒ AlphaMissense, REVEL and SaProt all call this tolerated.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 8	GERP 0.19, phastCons 1
Regional constraint	o/e 0.85	unconstrained · MANE · 94 kb · p 9.6e-06 · regional, not allelic
Overall
CADD	22.5	PHRED · 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 0.000258% European (non-Finnish) · 3/1,162,466 alleles

Filtering AF 6.9e-05% ClinGen BA1/BS1 input FAF95, joint · FAF99 1.9e-05%

Overall 0.000192% 3/1,564,350 alleles · very rare exomes 3/1,412,052 · genomes 0/152,298 · 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: SLMAP
Protein: p.Ser235Gly
Coding: c.703A>G
MANE Select: NM_001377540
dbSNP: rs774215191
Type: single nucleotide variant
Location: chr3:57860714 (GRCh38)
Gene constraint: LOEUF 0.531 · pLI 0.86 (gnomAD)
Structure: AlphaFold pLDDT 77.74 · 3 PDB

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

Disease context

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

For Brugada syndrome (Orphanet):

Inheritance: Autosomal dominant, Not applicable
Onset: Adult, Childhood
Prevalence: 1-5 / 10 000 (Europe)

Similar variants

SLMAP p.Ser235Cys Uncertain significance ★ ⚠ same residue
SLMAP c.*38C>T Uncertain significance ★★ ⚠ same condition
SLMAP c.*55G>A Uncertain significance ★★ ⚠ same condition
SLMAP c.*70G>A Uncertain significance ★★ ⚠ same condition
SLMAP p.Ala365Asp Uncertain significance ★★ ⚠ same condition
SLMAP p.Ala506Ser Uncertain significance ★★ ⚠ same condition
SLMAP p.Ala597Val Uncertain significance ★★ ⚠ same condition
SLMAP p.Arg136Gln 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/slmap-p-ser235gly (accessed [today's date]).

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