Is MECOM p.Ser509= (c.1527T>C) pathogenic?

MECOM p.Ser509= (c.1527T>C) is classified Likely benign in MECOM (ClinVar, Single submitter, 1 submitter; last evaluated 2025-05-18). Absent from gnomAD v4.1; Associated with Inborn genetic diseases.

What condition is associated with MECOM p.Ser509= (c.1527T>C)?

MECOM p.Ser509= (c.1527T>C) is associated with Inborn genetic diseases (ClinVar).

How common is MECOM p.Ser509= (c.1527T>C) in the general population?

MECOM p.Ser509= (c.1527T>C) is absent from gnomAD v4.1 (gnomAD).

MECOM p.Ser509=

c.1527T>C · VCV4053264

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 1,614,236)

Conditions

Inborn genetic diseases

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 0.29	GERP -5.2, phastCons 1
Overall
CADD	5.74	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

No allele count reported in gnomAD v4.1 (AN 1,614,236). 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: MECOM
Protein: p.Ser509=
Coding: c.1527T>C
MANE Select: NM_004991
Type: single nucleotide variant
Location: chr3:169116345 (GRCh38)
Gene constraint: LOEUF 0.161 · pLI 1.00 · ClinGen HI 3/3 (gnomAD)
Structure: AlphaFold pLDDT 51.04 · 1 PDB

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

Disease context

Inborn genetic diseases — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Similar variants

MECOM p.Ala1022Gly Uncertain significance ★★ ⚠ same condition
MECOM p.Ala1228Val Uncertain significance ★★ ⚠ same condition
MECOM p.Ala222Val Uncertain significance ★★ ⚠ same condition
MECOM p.Ala434Val Uncertain significance ★★ ⚠ same condition
MECOM p.Ala477Gly Uncertain significance ★★ ⚠ same condition
MECOM p.Ala537Thr Uncertain significance ★★ ⚠ same condition
MECOM p.Ala653Val Uncertain significance ★★ ⚠ same condition
MECOM p.Ala688Asp 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/mecom-p-ser509 (accessed [today's date]).

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