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ELFN1 p.Arg647=

c.1941C>T · rs568613949 · VCV776191

Benign Single submitter
Classification
Benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
rare (popmax 0.731%, afr)

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
ConservationphyloP -0.19GERP -2.7, phastCons 0.006
Overall
CADD2.229PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.731% African / African-American · 484/66,202 alleles
Filtering AF 0.677% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.656%
Overall 0.0355% 505/1,424,514 alleles · rare
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.731% 137
Remaining individualsnot grpmax-eligible 0.022% 4,548
Admixed American 0.0213% 4,695
South Asian 0.00148% 67,674
European (non-Finnish) 9.1e-05% 1,099,477

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
ELFN1
Protein
p.Arg647=
Coding
c.1941C>T
MANE Select
NM_001128636
dbSNP
rs568613949
Type
single nucleotide variant
Location
chr7:1746537 (GRCh38)
Gene constraint
LOEUF 1.841 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 62.62 · 5 PDB
Residue 647
the 'disordered' region
Full ELFN1 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/elfn1-p-arg647 (accessed [today's date]).

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