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CLN5 p.Leu309=

c.925T>C · rs1316505069 · VCV1123526

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00223%, eas)
Conditions
1
neuronal ceroid lipofuscinosis

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 0.33GERP -2.1, phastCons 0.8
Overall
CADD3.845PHRED · no single calibrated threshold — expert panels disagree

Population frequency

gnomAD v4.1 · exomes + genomes
Grpmax group 0.00223% East Asian · 1/44,860 alleles
Filtering AF 0.000183% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00012%
Overall 0.000435% 7/1,609,820 alleles · very rare
Ancestry group Frequency 1 in
East Asiangrpmax 0.00223% 44,860
European (non-Finnish) 0.000509% 196,414

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.Leu309=
Coding
c.925T>C
MANE Select
NM_006493
dbSNP
rs1316505069
Type
single nucleotide variant
Location
chr13:77000817 (GRCh38)
Gene constraint
LOEUF 1.197 · pLI <0.01 (gnomAD)
Structure
AlphaFold pLDDT 83.05 · 1 PDB
Residue 309
the 'membrane-anchoring' region
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-leu309 (accessed [today's date]).

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