Is EFEMP2 p.Tyr155Ser (c.464A>C) pathogenic?

EFEMP2 p.Tyr155Ser (c.464A>C) is classified Likely pathogenic in EFEMP2 (ClinVar, No assertion criteria, 1 submitter; last evaluated 2025-05-01). AlphaMissense: likely pathogenic (0.9668); Absent from gnomAD v4.1; Associated with cutis laxa, autosomal recessive, type 1B.

What condition is associated with EFEMP2 p.Tyr155Ser (c.464A>C)?

EFEMP2 p.Tyr155Ser (c.464A>C) is associated with cutis laxa, autosomal recessive, type 1B (ClinVar).

How common is EFEMP2 p.Tyr155Ser (c.464A>C) in the general population?

EFEMP2 p.Tyr155Ser (c.464A>C) is absent from gnomAD v4.1 (gnomAD).

How is Autosomal recessive cutis laxa type 1 inherited?

Typically Autosomal recessive (Orphanet). A genetic counselor can assess individual risk for a family.

What do computational predictors say about EFEMP2 p.Tyr155Ser (c.464A>C)?

AlphaMissense predicts likely pathogenic (score 0.9668) — an in-silico prediction, not a clinical call.

EFEMP2 p.Tyr155Ser

c.464A>C · VCV4075758

Likely pathogenic No assertion criteria

Classification

Likely pathogenic

ClinVar

Review

No assertion criteria ☆☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely pathogenic

0.9668 · ACMG-weighted

gnomAD v4.1

Absent

absent from gnomAD v4.1

Missense predictors

3/3 damaging

AlphaMissense, REVEL, SaProt

Conditions

cutis laxa, autosomal recessive, type 1B

Computational evidence

Protein change
AlphaMissense	0.9668	likely pathogenic ✓ concordant with ClinVar
REVEL	0.915	moderately pathogenic-leaning
SaProt	LLR -10.96	damaging
⇒ AlphaMissense, REVEL and SaProt all call this damaging.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 7.9	GERP 1.9, phastCons 1
Regional constraint	o/e 0.83	unconstrained · MANE · 5,433 bp · p 3.8e-05 · regional, not allelic
Overall
CADD	29.3	PHRED · no single calibrated threshold — expert panels disagree

AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.

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: EFEMP2
Protein: p.Tyr155Ser
Coding: c.464A>C
MANE Select: NM_016938
Type: single nucleotide variant
Location: chr11:65870562 (GRCh38)
Gene constraint: LOEUF 0.56 · pLI 0.62 (gnomAD)
Structure: AlphaFold pLDDT 82.95 · 1 PDB
Residue 155: a disulfide bond; the egf-like 2; calcium-binding domain

Full EFEMP2 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

cutis laxa, autosomal recessive, type 1B — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

For Autosomal recessive cutis laxa type 1 (Orphanet):

Inheritance: Autosomal recessive
Onset: Infancy, Neonatal

Similar variants

EFEMP2 p.Tyr155fs Pathogenic ★ same residue
EFEMP2 p.Arg279Cys Likely pathogenic ★★ same condition
EFEMP2 p.Asp203Ala Pathogenic/Likely pathogenic ★★ same condition
EFEMP2 p.Glu126Lys Pathogenic/Likely pathogenic ★★ same condition
EFEMP2 p.Glu161Lys Pathogenic/Likely pathogenic ★★ ⚠ same condition
EFEMP2 p.Glu167Ter Pathogenic ★★ same condition
EFEMP2 c.161-6C>G Uncertain significance ★★ same condition
EFEMP2 c.491-5C>G 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/efemp2-p-tyr155ser (accessed [today's date]).

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