SHOC1
Chr 9ARshortage in chiasmata 1
Also known as: C9orf84, MZIP2, SPGF75, ZIP2, ZIP2H
The SHOC1 protein is an ATPase that binds single-stranded DNA and is essential for meiotic recombination, synaptonemal complex assembly, and homologous chromosome pairing during germ cell development. Biallelic mutations cause spermatogenic failure 75, a form of male infertility following autosomal recessive inheritance. The gene shows very low constraint against loss-of-function variants (pLI near zero), consistent with its recessive inheritance pattern and reproductive-specific phenotype.
Population Genetics & Constraint
gnomAD v4 — loss-of-function & missense intolerance
Typical tolerance to LoF variation
Mild missense constraint
ClinVar Variant Classifications
86 submitted variants in ClinVar
Classification Summary
Curated Variants Distribution
Classified variants from ClinVar · 5 ACMG categories
| Classification | LoF | Missense + Inframe | Non-coding | Synonymous | Total |
|---|---|---|---|---|---|
Pathogenic | 9 | 2 | 28 | 0 | 39 |
Likely Pathogenic | 2 | 0 | 4 | 0 | 6 |
VUS | 0 | 13 | 4 | 0 | 17 |
Likely Benign | 0 | 2 | 0 | 4 | 6 |
Benign | 0 | 0 | 0 | 0 | 0 |
| Total | 11 | 17 | 36 | 4 | 68 |
LoF = frameshift, stop gained/lost, canonical splice · Counts from ClinVar esearch · Updated hourly
View in ClinVar →Protein Context — Lollipop Plot
SHOC1 · protein map & ClinVar variants
Showing all ClinVar variants across the protein. Search a specific variant to highlight its position.
3D Protein StructureAlphaFold
External Resources
Links to major genomics databases and tools
Clinical Trials
Active and recruiting trials from ClinicalTrials.gov
No active trials found for this gene.
Search ClinicalTrials.gov →External Resources
Links to major genomics databases and tools