Is CFP p.Pro15= (c.45G>A) pathogenic?

CFP p.Pro15= (c.45G>A) is classified Likely benign in CFP (ClinVar, Single submitter, 1 submitter; last evaluated 2022-01-12). Very rare (popmax 0.00512%, amr).

How common is CFP p.Pro15= (c.45G>A) in the general population?

CFP p.Pro15= (c.45G>A) is very rare (popmax 0.00512%, amr) (gnomAD).

CFP p.Pro15=

c.45G>A · VCV4950344

Likely benign Single submitter

Classification

Likely benign

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

gnomAD v4.1

Rare

very rare (popmax 0.00512%, 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
Conservation	phyloP -1.5	GERP -2.5
Overall
CADD	1.817	PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.00512% Admixed American · 2/39,044 alleles

Filtering AF 0.000849% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.000318%

Overall 0.000379% 4/1,055,523 alleles · very rare

Ancestry group	Frequency	1 in
Admixed Americangrpmax	0.00512%	19,522
European (non-Finnish)	0.000229%	436,790

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: CFP
Protein: p.Pro15=
Coding: c.45G>A
MANE Select: NM_001145252
Type: single nucleotide variant
Location: chrX:47629800 (GRCh38)
Structure: AlphaFold pLDDT 83.75 · 14 PDB

Full CFP gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

CFP p.Pro15Leu Uncertain significance ★ ⚠ same residue
CFP p.Trp321Gly Pathogenic ★★ same type
CFP p.Ala402Gly Uncertain significance ★★ ⚠ same type
CFP p.Arg157Gln Uncertain significance ★★ ⚠ same type
CFP p.Arg157Trp Uncertain significance ★★ ⚠ same type
CFP p.Arg159Cys Uncertain significance ★★ ⚠ same type
CFP p.Arg247Trp Uncertain significance ★★ ⚠ same type
CFP p.Arg438Trp Uncertain significance ★★ ⚠ same type

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/cfp-p-pro15 (accessed [today's date]).

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