CLRN1 c.433+9A>C
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.000593%, nfe)
Computational evidence
| Protein change | ||
| Missense predictors do not apply to this variant type; conservation carries the signal. | ||
| Splicing | ||
| Splice region | donor +9 | near-intronic (+9 nt from the splice site) |
|---|---|---|
| SpliceAI | — | not assessed · no allele here is in the release |
| Constraint at this position | ||
| Conservation | phyloP 0.69 | GERP 0.23, phastCons 0.027 |
| Non-coding constraint | Z -0.92 | 1 kb window · o/e 1.07 · regional · uncalibrated |
| Overall | ||
| CADD | 14.48 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.000593%
European (non-Finnish) · 7/1,179,776 alleles
Filtering AF
0.000247%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000159%
Overall
0.000479%
7/1,461,544 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
- CLRN1
- Coding
- c.433+9A>C
- MANE Select
- NM_174878
- dbSNP
- rs1345962111
- Type
- single nucleotide variant
- Location
- chr3:150941573 (GRCh38)
- Gene constraint
- LOEUF 1.168 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
- Structure
- AlphaFold pLDDT 90.74
Similar variants
- CLRN1 c.253+1G>A Likely pathogenic ★★ same type
- CLRN1 c.253+6T>C Pathogenic/Likely pathogenic ★★ same type
- CLRN1 c.254-2A>G Pathogenic/Likely pathogenic ★★ same type
- CLRN1 c.254-649T>G Pathogenic/Likely pathogenic ★★ same type
- CLRN1 c.433+1G>A Pathogenic/Likely pathogenic ★★ same type
- CLRN1 c.433+1G>T Likely pathogenic ★★ same type
- CLRN1 p.Ala123Asp Pathogenic/Likely pathogenic ★★ same type
- CLRN1 p.Arg207Ter Pathogenic/Likely pathogenic ★★ same type
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/clrn1-c-433-plus-9a-c (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown