Cytoplasmic granule membrane ; Multi-pass membrane protein . Endoplasmic reticulum membrane ; Multi-pass membrane protein .
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Tissue Expression:
Expressed specifically in natural killer cells, activated macrophages and cytotoxic T-cells (PubMed:10438909). Present in natural killer cells (at protein level) (PubMed:10912506). Ubiquitously expressed with high expression in testis (PubMed:27485036).