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NOBOX p.Pro328=

c.984C>T · VCV4898303

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00122%, sas)

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 0.25GERP -2, phastCons 0.94
Overall
CADD4.463PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00122% South Asian · 1/81,706 alleles
Filtering AF 9.8e-05% ClinGen BA1/BS1 input FAF95, joint · FAF99 2.7e-05%
Overall 0.00033% 4/1,210,528 alleles · very rare exomes 4/1,059,090 · genomes 0/151,438 · joint denominator
Ancestry group Frequency 1 in
South Asiangrpmax 0.00122% 81,706
European (non-Finnish) 0.000368% 271,745

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
NOBOX
Protein
p.Pro328=
Coding
c.984C>T
MANE Select
NM_001436401
Type
single nucleotide variant
Location
chr7:144399084 (GRCh38)
Gene constraint
LOEUF 1.061 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 48.12
Residue 328
a DNA-binding region
Full NOBOX 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/nobox-p-pro328 (accessed [today's date]).

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