CD98
Family of protein complexes
| solute carrier family 7 member 5 (cationic amino acid transporter, y+ system) | |||||||
|---|---|---|---|---|---|---|---|
| Identifiers | |||||||
| Symbol | SLC7A5 | ||||||
| Alt. symbols | LAT1, E16, D16S469E, MPE16, CD98 | ||||||
| NCBI gene | 8140 | ||||||
| HGNC | 11063 | ||||||
| OMIM | 600182 | ||||||
| RefSeq | NM_003486 | ||||||
| UniProt | Q01650 | ||||||
| Other data | |||||||
| Locus | Chr. 16 q24.3 | ||||||
| |||||||
CD98 is a glycoprotein that is a heterodimer composed of SLC3A2 and SLC7A5 that forms the large neutral amino acid transporter (LAT1). LAT1 is a heterodimeric membrane transport protein that preferentially transports branched-chain (valine, leucine, isoleucine) and aromatic (tryptophan, tyrosine, phenylalanine) amino acids. LAT is highly expressed in brain capillaries (which form the blood-brain barrier) relative to other tissues.
A functional LAT1 transporter is composed of two proteins encoded by two distinct genes:
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