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CSF1R p.Pro54del

c.159_161del · VCV4768338

Uncertain significance Single submitter
Classification
Uncertain significance
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00263%, nfe)

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
SpliceAI—not assessed · substitutions only
Constraint at this position
ConservationphyloP 1.5GERP -4.4, phastCons 0.006
Overall
CADD1.824PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00263% European (non-Finnish) · 31/1,180,012 alleles
Filtering AF 0.00188% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00164%
Overall 0.00192% 31/1,614,002 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
CSF1R
Protein
p.Pro54del
Coding
c.159_161del
MANE Select
NM_001288705
Type
Deletion
Location
chr5:150080913 (GRCh38)
Gene constraint
LOEUF 0.485 · pLI 0.98 (gnomAD)
Structure
AlphaFold pLDDT 78.08 · 26 PDB
Residue 54
a disulfide bond; the ig-like c2-type 1 domain; an α-helix
Full CSF1R 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/csf1r-p-pro54del (accessed [today's date]).

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