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ALYREF p.Pro2His

c.5C>A · rs559011700 · VCV2636880

Uncertain significance Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
rare (popmax 0.176%, afr)
Conditions
1
ALYREF-related disorder

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL0.067moderately benign-leaning
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP 4.6GERP 0.083, phastCons 1
Regional constrainto/e 1.11unconstrained · MANE · 780 bp · p 0.21 · regional, not allelic
Overall
CADD23.6PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.176% African / African-American · 118/66,862 alleles
Filtering AF 0.151% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.141%
Overall 0.0085% 122/1,435,740 alleles · rare
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.176% 567
Remaining individualsnot grpmax-eligible 0.0037% 27,033
Admixed American 0.00246% 40,568
European (non-Finnish) 9.15e-05% 1,093,200

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
ALYREF
Protein
p.Pro2His
Coding
c.5C>A
MANE Select
NM_005782
dbSNP
rs559011700
Type
single nucleotide variant
Location
chr17:81891576 (GRCh38)
Gene constraint
LOEUF 0.235 · pLI 1.00 (gnomAD)
Structure
AlphaFold pLDDT 65.65 · 4 PDB
Residue 2
a modified residue (n-acetylalanine); the 'disordered' region
Full ALYREF gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

ALYREF-related disorder

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/alyref-p-pro2his (accessed [today's date]).

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