CC2D2A p.Leu300=
c.900T>C · VCV4793747
Likely benign
Single submitter
Classification
Likely benign
ClinVar
Review
Single submitter ★☆☆☆
ClinVar · 1 submitter
gnomAD v4.1
Rare
very rare (popmax 0.00274%, afr)
Conditions
2
Meckel syndrome
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 -0.28 | GERP -2.3, phastCons 0.53 |
| Overall | ||
| CADD | 6.289 | PHRED · no single calibrated threshold — expert panels disagree |
Population frequency
gnomAD v4.1 · exomes + genomes
Grpmax group
0.00274%
African / African-American · 2/73,072 alleles
Filtering AF
0.000454%
ClinGen BA1/BS1 input
FAF95, joint · FAF99 0.00017%
Overall
0.000129%
2/1,552,146 alleles · very rare
exomes 1/1,399,952 · genomes 1/152,194 · 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
- CC2D2A
- Protein
- p.Leu300=
- Coding
- c.900T>C
- MANE Select
- NM_001378615
- Type
- single nucleotide variant
- Location
- chr4:15515887 (GRCh38)
- Gene constraint
- LOEUF 0.854 · pLI <0.01 · ClinGen HI gene assoc. with recessive phenotype (gnomAD)
- Structure
- AlphaFold pLDDT 69.46
Similar variants
- CC2D2A p.Leu300Phe Likely benign ★ same residue
- CC2D2A c.1017+1G>A Pathogenic/Likely pathogenic ★★ same condition
- CC2D2A c.123+2T>G Likely pathogenic ★★ same condition
- CC2D2A c.1359+1G>C Likely pathogenic ★★ same condition
- CC2D2A c.1466+1G>A Likely pathogenic ★★ same condition
- CC2D2A c.1466+2T>C Likely pathogenic ★★ same condition
- CC2D2A c.1608-2A>G Likely pathogenic ★★ same condition
- CC2D2A c.2004-17A>G Pathogenic/Likely pathogenic ★★ same condition
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/cc2d2a-p-leu300 (accessed [today's date]).
Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown