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EFCAB8 p.Ser183=

c.549G>A · rs139861538 · VCV2652259

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
low-frequency (popmax 1.03%, nfe)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL0.043moderately benign-leaning
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP -1.5GERP -2.8
Overall
CADD1.332PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 1.03% European (non-Finnish) · 11,818/1,147,002 alleles
Filtering AF 1.01% ClinGen BA1/BS1 input FAF95, joint · FAF99 1.01%
Overall 0.896% 13,910/1,551,758 alleles · low-frequency
Ancestry group Frequency 1 in
European (non-Finnish)grpmax 1.03% 97
Remaining individualsnot grpmax-eligible 1.02% 98
South Asian 0.796% 126
Finnishnot grpmax-eligible 0.591% 169
Middle Eastern 0.501% 200
Admixed American 0.461% 217
Ashkenazi Jewishnot grpmax-eligible 0.255% 392
African / African-American 0.157% 636
East Asian 0.00733% 13,638

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
EFCAB8
Protein
p.Ser183=
Coding
c.549G>A
MANE Select
NM_001143967
dbSNP
rs139861538
Type
single nucleotide variant
Location
chr20:32885622 (GRCh38)
Gene constraint
LOEUF 0.946 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 69.52
Full EFCAB8 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

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/efcab8-p-ser183 (accessed [today's date]).

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