2.A.28.1.7
Solute carrier family 10 (sodium/bile acid cotransporter family), member 4.  The rat orthologue is found in cholinergic neurons of the brain together with the vesicular acetyl choline transporter, VAChT (TC# 2.A.1.2.28), and the high affinity choline transporter, CHT1 (TC#s 2.A.21.8.1 & 2) (Geyer et al. 2008).  It is a protease-activated bile acid transporter (Abe et al. 2013).  It has also been reported to be a vesicular monoaminergic and cholinergic associated transporter that is important for dopamine homeostasis and neuromodulation in vivo, and it may play a role in neurotransmitter release at the neuromuscular junction (Larhammar et al. 2015; Patra et al. 2015). It's loss in mice results in cognitive impairment (Melief et al. 2016).