FAT4 p.Val989=
c.2967A>G · rs749957923 · VCV1928464
Likely benign
Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0164%, mid)
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 -0.47 | GERP -4.7, phastCons 0.001 |
| Overall | ||
| CADD | 1.425 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0164%
Middle Eastern · 1/6,084 alleles
Filtering AF
0.00153%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0013%
Overall
0.00174%
28/1,612,864 alleles · ultra-rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| Middle Easterngrpmax | 0.0164% | 6,084 |
| European (non-Finnish) | 0.0022% | 45,362 |
| Remaining individualsnot grpmax-eligible | 0.0016% | 62,468 |
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
- FAT4
- Protein
- p.Val989=
- Coding
- c.2967A>G
- MANE Select
- NM_001291303
- dbSNP
- rs749957923
- Type
- single nucleotide variant
- Location
- chr4:125319378 (GRCh38)
- Gene constraint
- LOEUF 0.317 · pLI 1.00 (gnomAD)
- Residue 989
- the cadherin 9 domain
Similar variants
- FAT4 p.Val989Ala Uncertain significance ★ same residue
- FAT4 p.Val989Ile Uncertain significance ★ ⚠ same residue
- FAT4 p.Arg1902Ter Pathogenic/Likely pathogenic ★★ same type
- FAT4 p.Arg2234Ter Pathogenic/Likely pathogenic ★★ same type
- FAT4 p.Gln4530Ter Pathogenic/Likely pathogenic ★★ same type
- FAT4 p.Glu2502Ter Pathogenic/Likely pathogenic ★★ same type
- FAT4 c.5307+6T>A Uncertain significance ★★ same type
- FAT4 c.6843+4A>G 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/fat4-p-val989 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown