ESPN p.Lys848=
c.2544G>A · rs754402387 · VCV1554286
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.005%, amr)
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 2.3 | GERP 1.1, phastCons 1 |
| Overall | ||
| CADD | 9.025 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.005%
Admixed American · 3/60,028 alleles
Filtering AF
0.00133%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000668%
Overall
0.000205%
3/1,460,346 alleles · very rare
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
- ESPN
- Protein
- p.Lys848=
- Coding
- c.2544G>A
- MANE Select
- NM_031475
- dbSNP
- rs754402387
- Type
- single nucleotide variant
- Location
- chr1:6460125 (GRCh38)
- Gene constraint
- LOEUF 1.307 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 68.76
- Residue 848
- a UniProt-annotated variant site (in dfnb36); a UniProt-annotated variant site (in dfnb36; severe phenotype; severe impairment of microvillar elongation; espin is less efficiently targeted to the microvilli and accumulates in the nucleus)
Similar variants
- ESPN p.Lys848del Likely pathogenic ★ same residue
- ESPN c.1464+1G>A Likely pathogenic ★★ same type
- ESPN p.Ala139Thr Uncertain significance ★★ ⚠ same type
- ESPN p.Ala23Thr Uncertain significance ★★ ⚠ same type
- ESPN p.Ala484Thr Uncertain significance ★★ ⚠ same type
- ESPN p.Ala591Val Uncertain significance ★★ ⚠ same type
- ESPN p.Ala610Pro Uncertain significance ★★ ⚠ same type
- ESPN p.Ala624Thr Uncertain significance ★★ ⚠ same type
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/espn-p-lys848 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown