AGXT p.Cys178=
c.534C>T · rs1400552764 · VCV1644302
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00017%, nfe)
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 -0.062 | GERP -0.26, phastCons 0.77 |
| Overall | ||
| CADD | 7.239 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00017%
European (non-Finnish) · 2/1,179,928 alleles
Filtering AF
2.8e-05%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 1.1e-05%
Overall
0.000124%
2/1,613,860 alleles · very rare
exomes 1/1,461,684 · genomes 1/152,176 · 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
- AGXT
- Protein
- p.Cys178=
- Coding
- c.534C>T
- MANE Select
- NM_000030
- dbSNP
- rs1400552764
- Type
- single nucleotide variant
- Location
- chr2:240872988 (GRCh38)
- Gene constraint
- LOEUF 1.251 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
- Structure
- AlphaFold pLDDT 98.30 · 17 PDB
Similar variants
- AGXT p.Cys178Tyr Pathogenic/Likely pathogenic ★★ same residue
- AGXT p.Cys178Trp Likely pathogenic ★ same residue
- AGXT c.358+1G>A Pathogenic ★★ same type
- AGXT c.359-2A>G Likely pathogenic ★★ same type
- AGXT c.423+1G>A Pathogenic/Likely pathogenic ★★ same type
- AGXT c.524+2T>A Likely pathogenic ★★ same type
- AGXT c.525-1G>A Pathogenic ★★ same type
- AGXT c.525-2A>T Pathogenic/Likely 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/agxt-p-cys178 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown