Send feedback

CYC1 p.Ile248=

c.744C>A · rs1259920872 · VCV2658969

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 carries the signal.
Splicing
SpliceAI—not assessed · no allele here is in the release
Constraint at this position
ConservationphyloP 1.4GERP 0.36, phastCons 1
Overall
CADD7.133PHRED · 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
CYC1
Protein
p.Ile248=
Coding
c.744C>A
MANE Select
NM_001916
dbSNP
rs1259920872
Type
single nucleotide variant
Location
chr8:144096716 (GRCh38)
Gene constraint
LOEUF 0.583 · pLI 0.85 (gnomAD)
Structure
AlphaFold pLDDT 86.37 · 5 PDB
Full CYC1 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/cyc1-p-ile248 (accessed [today's date]).

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