ASS1 p.Val351=
c.1053G>A · rs761241799 · VCV365263
Conflicting classifications of pathogenicity
Conflicting submitters
Classification
Conflicting classifications of pathogenicity
ClinVar
Review
Conflicting submitters ★☆☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.000169%, nfe)
Conditions
2
citrullinemia
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 2.8 | GERP 0.45, phastCons 1 |
| Overall | ||
| CADD | 8.604 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.000169%
European (non-Finnish) · 2/1,179,994 alleles
Filtering AF
2.8e-05%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 1.1e-05%
Overall
0.000137%
2/1,461,276 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
- ASS1
- Protein
- p.Val351=
- Coding
- c.1053G>A
- MANE Select
- NM_054012
- dbSNP
- rs761241799
- Type
- single nucleotide variant
- Location
- chr9:130494949 (GRCh38)
- Gene constraint
- LOEUF 1.14 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 95.64 · 1 PDB
- Residue 351
- a UniProt-annotated variant site (in ctln1); a β-strand
Similar variants
- ASS1 p.Val351Met Uncertain significance ★ ⚠ same residue
- ASS1 c.1194-1G>C Pathogenic/Likely pathogenic ★★ same condition
- ASS1 c.174+1G>A Pathogenic/Likely pathogenic ★★ same condition
- ASS1 c.174+1G>T Pathogenic/Likely pathogenic ★★ same condition
- ASS1 c.175-1119G>A Pathogenic/Likely pathogenic ★★ same condition
- ASS1 c.364-2A>C Pathogenic/Likely pathogenic ★★ same condition
- ASS1 c.364-2A>G Pathogenic ★★ same condition
- ASS1 c.364-2A>T Likely pathogenic ★★ same condition
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/ass1-p-val351 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown