ORC4 p.Lys403=
c.1209A>G · VCV3660974
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.0022%, 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 1.4 | GERP -0.71, phastCons 1 |
| Overall | ||
| CADD | 6.424 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.0022%
South Asian · 2/91,068 alleles
Filtering AF
0.000365%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.000137%
Overall
0.000124%
2/1,613,596 alleles · very rare
exomes 2/1,461,338 · genomes 0/152,258 · joint denominator
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
- ORC4
- Protein
- p.Lys403=
- Coding
- c.1209A>G
- MANE Select
- NM_181741
- Type
- single nucleotide variant
- Location
- chr2:147935612 (GRCh38)
- Gene constraint
- LOEUF 1.532 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
- Structure
- AlphaFold pLDDT 86.12 · 15 PDB
- Residue 403
- a β-strand
Similar variants
- ORC4 p.Ser208Ter Pathogenic/Likely pathogenic ★★ same type
- ORC4 p.Tyr174Cys Pathogenic/Likely pathogenic ★★ same type
- ORC4 p.Ala375Pro Uncertain significance ★★ ⚠ same type
- ORC4 p.Arg116Lys Uncertain significance ★★ ⚠ same type
- ORC4 p.Arg148Gln Uncertain significance ★★ ⚠ same type
- ORC4 p.Arg213Gln Uncertain significance ★★ same type
- ORC4 p.Arg25His Uncertain significance ★★ same type
- ORC4 p.Asn106Ser Uncertain significance ★★ ⚠ 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/orc4-p-lys403 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown