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POF1B p.Ser150=

c.450T>A · rs146160940 · VCV3053375

Likely benign No assertion criteria
Classification
Likely benign
ClinVar
Review
No assertion criteria ☆☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
rare (popmax 0.297%, afr)
Conditions
1
POF1B-related disorder

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 0.22GERP 1.5, phastCons 0.011
Overall
CADD1.361PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.297% African / African-American · 166/55,830 alleles
Filtering AF 0.26% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.246%
Overall 0.0146% 171/1,171,973 alleles · rare exomes 77/1,060,648 · genomes 94/111,325 · joint denominator
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.297% 336
Admixed American 0.00467% 21,406
Remaining individualsnot grpmax-eligible 0.00433% 23,102
European (non-Finnish) 0.000115% 867,694

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
POF1B
Protein
p.Ser150=
Coding
c.450T>A
MANE Select
NM_024921
dbSNP
rs146160940
Type
single nucleotide variant
Location
chrX:85351440 (GRCh38)
Structure
AlphaFold pLDDT 62.59 · 1 PDB
Full POF1B gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

POF1B-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/pof1b-p-ser150 (accessed [today's date]).

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