Major facilitator superfamily domain containing 4A is a protein belonging to the MFS Pfam clan.[5] It is an atypical solute carrier, thus a plausible SLC transporter in humans.[6] MFSD4A has been identified in both central and peripheral areas.[7]
^Perland E, Fredriksson R (March 2017). "Classification Systems of Secondary Active Transporters". Trends in Pharmacological Sciences. 38 (3): 305–315. doi:10.1016/j.tips.2016.11.008. PMID27939446.