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CRX c.252+18_252+24del

rs2123740025 · VCV1559161

Likely benign Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Not reported
no gnomAD frequency available for this variant
Conditions
2
Leber congenital amaurosis 7

Computational evidence

Protein change
Missense predictors do not apply to this variant type; conservation carries the signal.
Splicing
Splice regiondonor +18near-intronic (+18 nt from the splice site)
SpliceAI—not assessed · substitutions only
Constraint at this position
ConservationphyloP -0.005GERP -0.85, phastCons 0.001
Non-coding constraintZ 3.591 kb window · o/e 0.73 · regional · uncalibrated

Population frequency

dbSNP / gnomAD

No gnomAD frequency available for this variant. This is missing data, not an absence: the variant may or may not be present in gnomAD. Rarity (ACMG PM2) and BA1/BS1 cannot be assessed for it.

Variant & gene context

Gene
CRX
Coding
c.252+18_252+24del
MANE Select
NM_000554
dbSNP
rs2123740025
Type
Deletion
Location
chr19:47836409 (GRCh38)
Gene constraint
LOEUF 0.673 · pLI 0.72 · ClinGen HI 1/3 (gnomAD)
Structure
AlphaFold pLDDT 61.78 · 1 PDB
Full CRX gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Disease context

Leber congenital amaurosis 7 — disease report on Sugi Atlas → Associated genes, phenotypes, clinical trials & treatments

Also linked: cone-rod dystrophy 2

For Leber congenital amaurosis (Orphanet):

Inheritance
Autosomal dominant, Autosomal recessive
Onset
Infancy, Neonatal
Prevalence
1-9 / 100 000 (Europe)

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/crx-c-252-plus-18-252-plus-24del (accessed [today's date]).

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