CLRN1 p.Leu54=
c.162G>C · rs777120673 · VCV1078483
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00878%, sas)
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 | ||
| Conservation | phyloP 2.3 | GERP 1.7, phastCons 1 |
| Overall | ||
| CADD | 14.09 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00878%
South Asian · 8/91,088 alleles
Filtering AF
0.00437%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00312%
Overall
0.000616%
9/1,461,880 alleles · very rare
| Ancestry group | Frequency | 1 in |
|---|---|---|
| South Asiangrpmax | 0.00878% | 11,386 |
| Remaining individualsnot grpmax-eligible | 0.0016% | 62,512 |
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
- Protein
- p.Leu54=
- Coding
- c.162G>C
- MANE Select
- NM_174878
- dbSNP
- rs777120673
- Type
- single nucleotide variant
- Location
- chr3:150972547 (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 p.Leu54Val Uncertain significance ★ ⚠ same residue
- 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
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-p-leu54 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown