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CTF1 p.Thr38=

c.114C>A · VCV3730087

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00442%, afr)

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 2.2GERP 0.12, phastCons 1
Overall
CADD9.889PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00442% African / African-American · 3/67,894 alleles
Filtering AF 0.00117% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000625%
Overall 0.000278% 4/1,436,342 alleles · very rare
Ancestry group Frequency 1 in
African / African-Americangrpmax 0.00442% 22,631
European (non-Finnish) 9.37e-05% 1,067,084

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
CTF1
Protein
p.Thr38=
Coding
c.114C>A
MANE Select
NM_001330
Type
single nucleotide variant
Location
chr16:30899503 (GRCh38)
Gene constraint
LOEUF 1.959 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 85.94
Full CTF1 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/ctf1-p-thr38 (accessed [today's date]).

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