Protein
Solute carrier family 22 member 21
Function
Sodium-ion independent, medium affinity carnitine transporter. Also transports organic cations such as tetraethylammonium (TEA) without the involvement of sodium. Relative uptake activity ratio of carnitine to TEA is 746.
Similarity
Belongs to the major facilitator (TC 2.A.1) superfamily. Organic cation transporter (TC 2.A.1.19) family.
Sequence
MLDYDEVTAFLGEWGTFQRLIFFLLSASIIPNGFTGLSAVFLTAIPEHRCRIPDTVNLSSAWRNHSIPMETKDGPEVPQKCRRYRLATIANFSELGLEPGRDVDLEQLEQENCLDGWEYDKDIFLSTIVTEWDLVCKDDWKAPLTTSFFYVGVLLGSFISGQLSDRFGRKNILFLTMAMHTGFSFIQVFSVNFEMFTLLYTLVGMGHISNYVAAFVLGTEMLSKSVRIIFATLGVCIFFAFGFMVLPLFAYFIREWRRLLLAITLPGVLCGALWWFIPESPRWLISQGRIKEAEVIIRKAAKINGIVAPSTIFDPSETNKLQDDSSKKPQSHHIYDLVRTPNIRILTIMSIILWLTISVGYFGLSLDTPNLNGNIYVNCFLLAAVEVPAYVLAWLLLQHVSRRYSMAGSLFLGGSVLLLVQLVPSDLHYLSTTLVMVGKFGITSAYSMVYVYTAELYPTVVRNMGVGVSSTASRLGSILSPYFVYLGAYDRRLPYILMGSLTILTAIITLFFPESSGVSLPETIDEMQKVKKLKQRQSLSKKGSPKESKGNVSRTSRTSEPKGF