Membrane glycine transport proteins.
Structurally, the simplest amino acid is glycine, and it has a number of important yet distinct functions in the body. This review focuses on the different transport systems and the associated carrier proteins for glycine that are responsible for its movement across biological membranes. Transport proteins in the class GLYT appear to be the most specific for glycine. However, the B0+ system also carries significant amounts of glycine. Other amino acid transport systems capable of carrying small amounts of glycine are ASC, asc and system L. In addition, an ATP-dependent transport process exists that takes up glycine into synaptic vesicles at nerve endings. This is known as the vesicular inhibitory amino acid transporter since, in addition to glycine, it can transport possibly two other inhibitory neurotransmitters.
Tunnicliff
Godfrey
G
Department of Biochemistry and Molecular Biology, Indiana University School of Medicine, Evansville, Ind. 47712, USA. gtunnic@iupui.edu
D026962:Amino Acid Transport System ASC / Q000378:metabolism / Q000502:physiology; D026905:Amino Acid Transport Systems; D026921:Amino Acid Transport Systems, Neutral / Q000378:metabolism* / Q000502:physiology; D000818:Animals; D002352:Carrier Proteins / Q000378:metabolism / Q000502:physiology; D005998:Glycine / Q000378:metabolism*; D050487:Glycine Plasma Membrane Transport Proteins; D006801:Humans; D015778:Minor Histocompatibility Antigens; D050495:Vesicular Inhibitory Amino Acid Transport Proteins
D026962:Amino Acid Transport System ASC; D026905:Amino Acid Transport Systems; D026921:Amino Acid Transport Systems, Neutral; D002352:Carrier Proteins; D050487:Glycine Plasma Membrane Transport Proteins; D015778:Minor Histocompatibility Antigens; C420506:SLC1A5 protein, human; C492245:SLC32A1 protein, human; D050495:Vesicular Inhibitory Amino Acid Transport Proteins; D005998:Glycine