ABC	ATP-binding cassette
BSL	biosafety level
ChEBI	Chemical Entities of Biological Interest
CPR	Cholesterol/Phospholipid/Retinal
DCT	Drug Conjugate Transporter
DHA	Drug:H+ Antiporter
EPP	Eye Pigment Precursor Transporter
HMT	Heavy Metal Transporter
MDR	multidrug resistance
MFS	major facilitor superfamily
MPE	Mitochondrial Peptide Exporter
NCS	Nucleobase: Cation Symporter
NPC	Nuclear Pore Complex
PDR	Pleiotropic Drug Resistance
PFAT	Peroxysomal Fatty Acyl CoA Transporter
TC	Transport Classification
TCDB	transporter classification database
TMS	transmembrane segment