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CSPP1 p.Glu824fs

c.2463_2469dup · rs863225191 · VCV217643

Pathogenic Single submitter
Classification
Pathogenic
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
Consequence
frameshift
predicted LoF
gnomAD v4.1
Rare
ultra-rare (gnomAD MAF 6.701e-06)
Conditions
1
Joubert syndrome 21

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Consequenceframeshiftpredicted loss-of-function
NMDpredictedpremature termination codon in exon 21 of 31
Splicing
SpliceAI—not assessed · substitutions only
Constraint at this position
ConservationphyloP 11GERP 2.5, phastCons 1
Region caveats
Repeat contexttandem(GAAGAAA)n simple repeat · ambiguous alignment · confidence, not pathogenicity

Predicted loss-of-function is descriptive, not an applied PVS1 code.

Population frequency

dbSNP / gnomAD
Global frequency 0.00067% via dbSNP · ultra-rare

No ancestry breakdown or filtering allele frequency is available for this variant, so BA1/BS1 cannot be assessed from this figure alone.

Variant & gene context

Gene
CSPP1
Protein
p.Glu824fs
Coding
c.2463_2469dup
MANE Select
NM_001382391
dbSNP
rs863225191
Type
Microsatellite
Location
chr8:67159049 (GRCh38)
Gene constraint
LOEUF 0.876 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
Structure
AlphaFold pLDDT 57.34
Residue 824
the 'disordered' region
Full CSPP1 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/cspp1-p-glu824fs (accessed [today's date]).

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