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CTR9 p.Leu291=

c.871C>T · rs751758983 · VCV1593676

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00503%, amr)

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 0.74GERP -1.1, phastCons 1
Overall
CADD6.072PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00503% Admixed American · 3/59,698 alleles
Filtering AF 0.00133% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00067%
Overall 0.000248% 4/1,612,650 alleles · very rare exomes 4/1,460,566 · genomes 0/152,084 · joint denominator
Ancestry group Frequency 1 in
Admixed Americangrpmax 0.00503% 19,899
Remaining individualsnot grpmax-eligible 0.0016% 62,442

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
CTR9
Protein
p.Leu291=
Coding
c.871C>T
MANE Select
NM_014633
dbSNP
rs751758983
Type
single nucleotide variant
Location
chr11:10763452 (GRCh38)
Gene constraint
LOEUF 0.368 · pLI 1.00 (gnomAD)
Structure
AlphaFold pLDDT 76.62 · 21 PDB
Residue 291
an α-helix
Full CTR9 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/ctr9-p-leu291 (accessed [today's date]).

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