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PHKA2 p.Ser1044=

c.3132G>A · rs376018294 · VCV514799

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00702%, 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 -6.2GERP -3.5
Overall
CADD0.637PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00702% African / African-American · 4/56,948 alleles
Filtering AF 0.00234% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.0014%
Overall 0.00199% 24/1,207,326 alleles · very rare exomes 22/1,096,092 · genomes 2/111,234 · joint denominator
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.00702% 14,237
Admixed American 0.00219% 45,686
Remaining individualsnot grpmax-eligible 0.0021% 47,529
European (non-Finnish) 0.0019% 52,617
South Asian 0.00177% 56,623

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
PHKA2
Protein
p.Ser1044=
Coding
c.3132G>A
MANE Select
NM_000292
dbSNP
rs376018294
Type
single nucleotide variant
Location
chrX:18897313 (GRCh38)
Structure
AlphaFold pLDDT 81.36
Residue 1044
a modified residue (phosphoserine); the 'disordered' region
Full PHKA2 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/phka2-p-ser1044 (accessed [today's date]).

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