PR:W5XKT8-3 hSPACA6/iso:h3 sperm acrosome membrane-associated protein 6 isoform h3 (human) hSPACA6/iso:h3 PR:000000001 NCBITaxon:9606 HGNC:27113 PR:W5XKT8 UniProtKB:W5XKT8-3