Is EVC p.Cys742= (c.2226C>T) pathogenic?

EVC p.Cys742= (c.2226C>T) is classified Likely benign in EVC (ClinVar, Single submitter, 1 submitter; last evaluated 2023-11-02). Very rare (popmax 0.00501%, amr); Associated with Ellis-van Creveld syndrome.

What condition is associated with EVC p.Cys742= (c.2226C>T)?

EVC p.Cys742= (c.2226C>T) is associated with Ellis-van Creveld syndrome, acrofacial dysostosis, Weyers type (ClinVar).

How common is EVC p.Cys742= (c.2226C>T) in the general population?

EVC p.Cys742= (c.2226C>T) is very rare (popmax 0.00501%, amr) (gnomAD).

EVC p.Cys742=

c.2226C>T · rs1174341100 · VCV1124284

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Rare

very rare (popmax 0.00501%, amr)

Conditions

Ellis-van Creveld syndrome

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 -10	GERP -3.4
Overall
CADD	0.119	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00501% Admixed American · 3/59,868 alleles

Filtering AF 0.00326% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00294%

Overall 0.0036% 58/1,610,188 alleles · very rare exomes 56/1,457,930 · genomes 2/152,258 · joint denominator

Ancestry group	Frequency	1 in
Admixed Americangrpmax	0.00501%	19,956
European (non-Finnish)	0.00424%	23,593
Remaining individualsnot grpmax-eligible	0.00321%	31,124
East Asian	0.00223%	44,854
African / African-American	0.00134%	74,874
South Asian	0.0011%	90,562

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: EVC
Protein: p.Cys742=
Coding: c.2226C>T
MANE Select: NM_153717
dbSNP: rs1174341100
Type: single nucleotide variant
Location: chr4:5798714 (GRCh38)
Gene constraint: LOEUF 1.134 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 74.49

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

Disease context

Ellis-van Creveld syndrome — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Also linked: acrofacial dysostosis, Weyers type

Similar variants

EVC c.1098+1G>A Pathogenic/Likely pathogenic ★★ same condition
EVC c.175-2A>G Pathogenic/Likely pathogenic ★★ same condition
EVC c.1777-1G>A Pathogenic/Likely pathogenic ★★ same condition
EVC c.1777-2A>G Pathogenic/Likely pathogenic ★★ same condition
EVC c.1886+1G>C Likely pathogenic ★★ same condition
EVC c.1886+5G>A Pathogenic ★★ same condition
EVC c.1886+5G>T Pathogenic/Likely pathogenic ★★ same condition
EVC c.2304+2T>C 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/evc-p-cys742 (accessed [today's date]).

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