GPR183 (originally called EBI2) binds the oxysterol 7alpha,25-dihydroxycholesterol (7a,25-OHC) (Hannedouche et al. 2011, Liu et al. 2011). GPR183 is believed to played a key role in regulating B cell migration and responses (Gatto et al. 2009, Pereira et al. 2009, Yi et al. 2012, Sun & Liu 2015). It signals via Gi (Rosenkilde et al. 2006).
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