AMPD3 p.Pro191=
c.573G>A · rs16907852 · VCV93471
Benign
Multiple submitters
Classification
Benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 4 submitters
gnomAD v4.1
Common
common (popmax 28%, afr) — too common for a highly-penetrant pathogenic allele
Conditions
1
Erythrocyte AMP deaminase deficiency
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 -5.1 | GERP -3.8 |
| Overall | ||
| CADD | 2.861 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
28%
African / African-American · 21,001/74,968 alleles
Filtering AF
27.7%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 27.6%
Overall
9.49%
152,969/1,612,012 alleles · common
| Ancestry group | Frequency | 1 in |
|---|---|---|
| African / African-Americangrpmax | 28% | 4 |
| Ashkenazi Jewishnot grpmax-eligible | 11.5% | 9 |
| Middle Eastern | 10.4% | 10 |
| Remaining individualsnot grpmax-eligible | 9.89% | 10 |
| European (non-Finnish) | 8.89% | 11 |
| Finnishnot grpmax-eligible | 8.65% | 12 |
| South Asian | 7.63% | 13 |
| Admixed American | 7.54% | 13 |
| Amishnot grpmax-eligible | 3.73% | 27 |
| East Asian | 0.0869% | 1,150 |
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
- AMPD3
- Protein
- p.Pro191=
- Coding
- c.573G>A
- MANE Select
- NM_001025389
- dbSNP
- rs16907852
- Type
- single nucleotide variant
- Location
- chr11:10482209 (GRCh38)
- Gene constraint
- LOEUF 0.817 · pLI <0.01 (gnomAD)
- Structure
- AlphaFold pLDDT 85.74
- Residue 191
- the 'disordered' region
Similar variants
- AMPD3 p.Pro191Leu Likely benign ★ same residue
- AMPD3 c.1135-5C>A Uncertain significance ★★ same condition
- AMPD3 c.1135-6C>G Uncertain significance ★★ same condition
- AMPD3 c.1267-3C>T Uncertain significance ★★ same condition
- AMPD3 c.*287T>C Uncertain significance ★★ same condition
- AMPD3 c.*75C>T Uncertain significance ★★ same condition
- AMPD3 p.Ala141= Uncertain significance ★★ same condition
- AMPD3 p.Arg426Trp Uncertain significance ★★ ⚠ 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/ampd3-p-pro191 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown