Is CFAP45 p.Ala370Pro (c.1108G>C) pathogenic?

CFAP45 p.Ala370Pro (c.1108G>C) is classified Uncertain significance in CFAP45 (ClinVar, Single submitter, 1 submitter; last evaluated 2025-11-25). AlphaMissense: likely pathogenic (0.8737); Very rare (popmax 0.000254%, nfe).

How common is CFAP45 p.Ala370Pro (c.1108G>C) in the general population?

CFAP45 p.Ala370Pro (c.1108G>C) is very rare (popmax 0.000254%, nfe) (gnomAD).

What do computational predictors say about CFAP45 p.Ala370Pro (c.1108G>C)?

AlphaMissense predicts likely pathogenic (score 0.8737) — an in-silico prediction, not a clinical call.

CFAP45 p.Ala370Pro

c.1108G>C · VCV4652861

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

likely pathogenic

0.8737 · ACMG-weighted

gnomAD v4.1

Rare

very rare (popmax 0.000254%, nfe)

Missense predictors

2/3 damaging

AlphaMissense, REVEL, SaProt

Computational evidence

Protein change
AlphaMissense	0.8737	likely pathogenic · top 3% in CFAP45
REVEL	0.153	moderately benign-leaning
SaProt	LLR -13.77	damaging
⇒ AlphaMissense and SaProt call this damaging; REVEL does not.
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP -4.4	GERP -4.5
Regional constraint	o/e 0.98	unconstrained · MANE · 28 kb · p 0.64 · regional, not allelic
Overall
CADD	15.57	PHRED · no single calibrated threshold — expert panels disagree

AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.000254% European (non-Finnish) · 3/1,179,948 alleles

Filtering AF 6.8e-05% ClinGen BA1/BS1 input FAF95, joint · FAF99 1.9e-05%

Overall 0.000205% 3/1,461,796 alleles · very rare

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: CFAP45
Protein: p.Ala370Pro
Coding: c.1108G>C
MANE Select: NM_012337
Type: single nucleotide variant
Location: chr1:159877399 (GRCh38)
Gene constraint: LOEUF 0.713 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 77.03 · 2 PDB
Residue 370: the trichohyalin-plectin-homology domain; a UniProt-annotated variant site (in htx11; loss of panaxonemal expression in respiratory cilia and in sperm flagella)

Full CFAP45 gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

CFAP45 p.Asp320Tyr Uncertain significance ★★ ⚠ same type
CFAP45 p.Lys518Glu Uncertain significance ★★ ⚠ same type
CFAP45 p.Asp222Gly Benign ★★ ⚠ same type
CFAP45 p.Arg350Ter Likely pathogenic ★ same type
CFAP45 p.Ala15Pro Uncertain significance ★ ⚠ same type
CFAP45 p.Ala436Val Uncertain significance ★ ⚠ same type
CFAP45 p.Ala69Thr Uncertain significance ★ ⚠ same type
CFAP45 p.Ala6Ser 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/cfap45-p-ala370pro (accessed [today's date]).

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