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AIP p.Pro221=

c.663T>C · rs2495406852 · VCV2820867

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00133%, 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
ConservationphyloP -10GERP -3.3
Overall
CADD0.784PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00133% African / African-American · 1/75,026 alleles
Overall 6.2e-05% 1/1,612,616 alleles · very rare exomes 1/1,460,370 · genomes 0/152,246 · 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
AIP
Protein
p.Pro221=
Coding
c.663T>C
MANE Select
NM_003977
dbSNP
rs2495406852
Type
single nucleotide variant
Location
chr11:67490333 (GRCh38)
Gene constraint
LOEUF 0.626 · pLI 0.28 (gnomAD)
Structure
AlphaFold pLDDT 91.09 · 5 PDB
Residue 221
an α-helix
Full AIP 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/aip-p-pro221 (accessed [today's date]).

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