Send feedback

PER3 p.Ala998=

c.2994T>C · VCV4940663

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Absent
absent from gnomAD v4.1

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation/SpliceAI carries the signal.
Splicing
SpliceAIΔ0.21acceptor loss, 11 bp away · masked 0 · deltas
Constraint at this position
ConservationphyloP -1.3GERP -0.5
Overall
CADD2.888PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Absent from gnomAD v4.1. Not observed in any sequenced alleles — a rarity signal (ACMG PM2-supporting), not evidence of pathogenicity on its own.

Variant & gene context

Gene
PER3
Protein
p.Ala998=
Coding
c.2994T>C
MANE Select
NM_001377275
Type
single nucleotide variant
Location
chr1:7829941 (GRCh38)
Gene constraint
LOEUF 1.009 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 54.62
Residue 998
the 'disordered' region; the '5 x 18 aa tandem repeats of s-[hp]-[ap]-t-[at]-[gst]-[atv]-l-s-[mt]-g-[ls]-p-p-[mrs]-[ekr]-[nst]-p' region
Full PER3 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/per3-p-ala998 (accessed [today's date]).

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