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CLN5 p.Pro218=

c.654A>C · rs752406072 · VCV527764

Likely benign Multiple submitters
Classification
Likely benign
ClinVar
Review
Multiple submitters ★★☆☆
ClinVar · 2 submitters
gnomAD v4.1
Rare
very rare (popmax 0.00297%, nfe)
Conditions
2
Inborn genetic diseases

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 0.29GERP -2.1, phastCons 0.38
Overall
CADD6.416PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00297% European (non-Finnish) · 35/1,180,020 alleles
Filtering AF 0.00215% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00191%
Overall 0.00239% 35/1,461,850 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
CLN5
Protein
p.Pro218=
Coding
c.654A>C
MANE Select
NM_006493
dbSNP
rs752406072
Type
single nucleotide variant
Location
chr13:77000546 (GRCh38)
Gene constraint
LOEUF 1.197 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 83.05 · 1 PDB
Full CLN5 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/cln5-p-pro218 (accessed [today's date]).

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