This gene encodes a member of the membrane-spanning 4A gene family. Members of this protein family are characterized by common structural features and similar intron/exon splice boundaries and display unique expression patterns among hematopoietic cells and nonlymphoid tissues. The gene encoding this protein is localized to 11q12.3, among a cluster of family members.,MS4A8,4SPAN4,CD20L5,MS4A4,MS4A8B,Cell Biology & Developmental Biology,MS4A8B