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GPATCH4 p.Ser89Asn

c.266G>A · rs773138197 · VCV2554066

Uncertain significance Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.0017%, nfe)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
REVEL0.014strongly benign-leaning
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP -7.6GERP -5.1
Overall
CADD4.441PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.0017% European (non-Finnish) · 20/1,176,458 alleles
Filtering AF 0.00111% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000902%
Overall 0.00137% 22/1,609,960 alleles · very rare
Ancestry group Frequency 1 in
European (non-Finnish)grpmax 0.0017% 58,823
Remaining individualsnot grpmax-eligible 0.0016% 62,356
African / African-American 0.00134% 74,810

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
GPATCH4
Protein
p.Ser89Asn
Coding
c.266G>A
dbSNP
rs773138197
Type
single nucleotide variant
Location
chr1:156598102 (GRCh38)
Gene constraint
LOEUF 1.669 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 57.52
Full GPATCH4 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/gpatch4-p-ser89asn (accessed [today's date]).

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