Is EVC p.Asp978= (c.2934C>T) pathogenic?

EVC p.Asp978= (c.2934C>T) is classified Likely benign in EVC (ClinVar, Single submitter, 1 submitter; last evaluated 2020-01-23). Very rare (popmax 0.0011%, sas); Associated with acrofacial dysostosis, Weyers type.

What condition is associated with EVC p.Asp978= (c.2934C>T)?

EVC p.Asp978= (c.2934C>T) is associated with acrofacial dysostosis, Weyers type, Ellis-van Creveld syndrome (ClinVar).

How common is EVC p.Asp978= (c.2934C>T) in the general population?

EVC p.Asp978= (c.2934C>T) is very rare (popmax 0.0011%, sas) (gnomAD).

EVC p.Asp978=

c.2934C>T · rs1241792860 · VCV1077789

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Rare

very rare (popmax 0.0011%, sas)

Conditions

acrofacial dysostosis, Weyers type

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 -2.9
Overall
CADD	0.053	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.0011% South Asian · 1/90,802 alleles

Overall 0.000124% 2/1,613,186 alleles · very rare exomes 2/1,460,896 · genomes 0/152,290 · joint denominator

Ancestry group	Frequency	1 in
South Asiangrpmax	0.0011%	90,802
European (non-Finnish)	8.48e-05%	1,179,528

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.Asp978=
Coding: c.2934C>T
MANE Select: NM_153717
dbSNP: rs1241792860
Type: single nucleotide variant
Location: chr4:5810992 (GRCh38)
Gene constraint: LOEUF 1.134 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 74.49
Residue 978: the 'disordered' region

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

Disease context

acrofacial dysostosis, Weyers type — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Also linked: Ellis-van Creveld syndrome

Similar variants

EVC p.Asp978Asn Uncertain significance ★★ ⚠ same residue
EVC p.Asp978Tyr Uncertain significance ★★ ⚠ same residue
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

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-asp978 (accessed [today's date]).

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