Send feedback

ABO p.Phe216Ile

c.646T>A · rs8176740 · VCV812632

Benign Single submitter
Classification
Benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 2 submitters
gnomAD v4.1
Common
common (popmax 43.5%, amr) — too common for a highly-penetrant pathogenic allele

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
ConservationphyloP 5.4GERP 4.2, phastCons 1
Overall
CADD22.0PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 43.5% Admixed American · 23,969/55,160 alleles
Filtering AF 43% ClinGen BA1/BS1 input FAF95, joint · FAF99 42.8%
Overall 24.3% 386,525/1,588,528 alleles · common
Ancestry group Frequency 1 in
Admixed Americangrpmax 43.5% 2
Ashkenazi Jewishnot grpmax-eligible 27.7% 4
East Asian 25.6% 4
Remaining individualsnot grpmax-eligible 25.1% 4
African / African-American 24.2% 4
European (non-Finnish) 24% 4
Middle Eastern 23.3% 4
South Asian 20.2% 5
Finnishnot grpmax-eligible 17.6% 6
Amishnot grpmax-eligible 10.3% 10

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
ABO
Protein
p.Phe216Ile
Coding
c.646T>A
dbSNP
rs8176740
Type
single nucleotide variant
Location
chr9:133256085 (GRCh38)
Gene constraint
LOEUF 1.416 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 89.59 · 151 PDB
Residue 216
a UniProt-annotated variant site (in); a β-strand
Full ABO gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

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/abo-p-phe216ile (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown