PHEX p.Asn643=
c.1929T>C · rs2518674732 · VCV2129859
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00219%, amr)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| SpliceAI | <0.2 | no splice effect predicted · four deltas, not one · how we know |
|---|---|---|
| Constraint at this position | ||
| Conservation | phyloP 4.2 | GERP -0.006, phastCons 1 |
| Overall | ||
| CADD | 8.608 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00219%
Admixed American · 1/45,633 alleles
Overall
8.29e-05%
1/1,205,965 alleles · very rare
exomes 1/1,094,558 · genomes 0/111,407 · joint denominator
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
- PHEX
- Protein
- p.Asn643=
- Coding
- c.1929T>C
- MANE Select
- NM_000444
- dbSNP
- rs2518674732
- Type
- single nucleotide variant
- Location
- chrX:22226472 (GRCh38)
- Structure
- AlphaFold pLDDT 94.58
- Residue 643
- the peptidase m13 domain
Similar variants
- PHEX p.Asn643fs Pathogenic ★ same residue
- PHEX c.1079+1G>A Pathogenic ★★ same type
- PHEX c.1079+2T>G Pathogenic ★★ same type
- PHEX c.1080-1G>A Pathogenic ★★ same type
- PHEX c.1080-2A>G Pathogenic ★★ same type
- PHEX c.1080-3C>G Pathogenic ★★ same type
- PHEX c.1173+1G>A Pathogenic ★★ same type
- PHEX c.1173+2T>C Pathogenic ★★ 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/phex-p-asn643 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown