SERPING1 p.Ile174=
c.522C>T · rs762180263 · VCV1573978
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
ultra-rare (popmax 0.0281%, afr)
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 -9.1 | GERP -4.6 |
| Overall | ||
| CADD | 2.916 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0281%
African / African-American · 21/74,866 alleles
Filtering AF
0.0188%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.0157%
Overall
0.00192%
31/1,612,546 alleles · ultra-rare
exomes 18/1,460,382 · genomes 13/152,164 · joint denominator
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 0.0281% | 3,565 |
| Admixed American | 0.00167% | 59,992 |
| South Asian | 0.0011% | 91,012 |
| European (non-Finnish) | 0.000678% | 147,505 |
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
- SERPING1
- Protein
- p.Ile174=
- Coding
- c.522C>T
- MANE Select
- NM_000062
- dbSNP
- rs762180263
- Type
- single nucleotide variant
- Location
- chr11:57600349 (GRCh38)
- Gene constraint
- LOEUF 0.278 · pLI 1.00 (gnomAD)
- Structure
- AlphaFold pLDDT 80.63 · 5 PDB
- Residue 174
- an α-helix
Similar variants
- SERPING1 p.Ile174Val Uncertain significance ★ ⚠ same residue
- SERPING1 c.1030-1G>T Pathogenic ★★ same type
- SERPING1 c.51+1G>T Pathogenic ★★ same type
- SERPING1 c.51+3A>C Pathogenic/Likely pathogenic ★★ same type
- SERPING1 c.51+3A>G Pathogenic ★★ same type
- SERPING1 c.52-1G>A Pathogenic ★★ same type
- SERPING1 c.550+1G>A Pathogenic ★★ same type
- SERPING1 c.551-1G>C 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/serping1-p-ile174 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown