| Dataset | COMPARTMENTS Curated Protein Localization Evidence Scores |
| Category | structural or functional annotations |
| Type | cellular component |
| Description | A large cytoskeletal structure located at the posterior end of the perinuclear theca of a mammalian sperm head. The nucleus is tightly associated with the calyx, which contains calicin and basic cylicin proteins. (Gene Ontology, GO_0033150) |
| Similar Terms | |
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3 proteins localized to the cytoskeletal calyx cellular component from the COMPARTMENTS Curated Protein Localization Evidence Scores dataset.
