CD98

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solute carrier family 3 (activators of dibasic and neutral amino acid transport), member 2
Identifiers
Symbol	SLC3A2
Alt. Symbols	MDU1, 4T2HC, 4F2, NACAE
Entrez	6520
HUGO	11026
OMIM	158070
RefSeq	NM_001013251
UniProt	P08195
Other data
Locus	Chr. 11 q12-q22

solute carrier family 7 (cationic amino acid transporter, y+ system), member 5
Identifiers
Symbol	SLC7A5
Alt. Symbols	LAT1, E16, D16S469E, MPE16, CD98
Entrez	8140
HUGO	11063
OMIM	600182
RefSeq	NM_003486
UniProt	Q01650
Other data
Locus	Chr. 16 q24.3

CD98 is a glycoprotein^[1][1] which comprises the light subunit of the Large neutral Amino acid Transporter (LAT1). LAT1 is a heterodimeric membrane transport protein which preferentially transports neutral branched (valine, leucine, isoleucine) and aromatic (tryptophan, tyrosine) amino acids.^[1] LAT is highly expressed in brain capillaries (which form the blood brain barrier) relative to other tissues.^[1]

Functional LAT1 transporters are comprised of two proteins encoded by two distinct genes:

• 4F2hc heavy subunit protein encoded by the SLC3A2 gene ^[1]
• CD98 light subunit protein encoded by the SLC7A5 gene^[1]

See also

• Cluster of differentiation
• Transmembrane protein
• Transport protein
• Solute carrier family

References

External links

• MeSH CD98+Antigens
• MeSH Large+Neutral+Amino+Acid-Transporter+1
• MeSH Amino+Acid+Transport+System+L

v • d • e Proteins: clusters of differentiation (see also list of human clusters of differentiation)
1-50	CD1 (CD1a-c, CD1d) - CD2 - CD3 - CD4 - CD5 - CD8 - CD9 - CD10 - CD11 (CD11a, CD11b, CD11c) - CD13 - CD14 - CD15 - CD16 - CD18 - CD19 - CD20 - CD21 - CD22 - CD23 - CD24 - CD25 - CD26 - CD27 - CD28 - CD29 - CD30 - CD31 - CD32 - CD33 - CD34 - CD35 - CD36 - CD37 -CD38 - CD40 - CD43 - CD44 - CD45 - CD46 - CD49 (CD49a, CD49b, CD49c, CD49d)
51-100	CD52 - CD53 - CD54 - CD55 - CD56 - CD58 - CD59 - CD61 - CD62 (CD62E, CD62L, CD62P) - CD63 - CD64 - CD66e - CD68 - CD70 - CD71 - CD72 - CD79 - CD80 - CD81 - CD82 - CD83 - CD86 - CD88 - CD89 - CD90 - CD94 - CD95 - CD97 - CD98
101-350	CD103 - CD106 - CD114 - CD116 - CD117 - CD118 - CD120 - CD122 - CD130 - CD131 - CD132 - CD133 - CD134 - CD135 - CD137 - CD138 - CD141 - CD142 - CD143 - CD146 - CD147 - CD151 - CD152 - CD153 - CD154 - CD155 - CD162 - CD164 - CD169 - CD184 - CD206 - CD209 - CD257 - CD278 - CD281 - CD282 - CD283 - CD304

v • d • e Membrane proteins, carrier proteins: membrane transport proteins
ABC-transporter	A1, A2, A3, A4, A7, A8, A12, B1 B2-3, B2, B3, B4, B5, B6, B7, B9, B11 C1, C2, C3, C4, C5, C6, C8, C8-9, C10, C13, C11 D1, D2, D3, D4, E1, F1, F2 G1, G2, G4, Sterolin (G5, G8)
Solute carrier	1A1-7, 1A1, 1A2, 1A3, 1A4, 1A5, 2A1, 2A2, 2A3, 2A4, 2A5, 2A6, 2A8, 2A9, 2A10, 2A12, 3A1, 3A2, 4A1, 4A2, 4A3, 4A4, 4A5, 4A7, 4A8, 4A11, 5A1-2, 5A1, 5A3, 5A5, 5A8, 6A1, 6A2, 6A3, 6A4, 6A5, 6A8, 6A9, 6A19, 7A1, 7A2, 7A3, 7A4, 7A5, 7A7, 7A8, 7A9, 7A11, 8A1-3, 9A1, 9A2, 9A3, 9A3R1, 9A3R2, 9A5, 9A6, 9A8, 10A1, 10A2, 10A3, 10A7, 11A1, 11A2, 11A3, 12A1-2, 12A3, 12A4, 12A5, 12A6, 12A7, 14A1, 13A3, 14A2, 15A1, 15A2, 16A1, 16A2, 16A3, 16A4, 17A1, 17A5, 17A6-8, 17A7, 18A1, 18A2, 18A3, 19A1, 19A2, 19A3, 20A1, 20A2, 22A1, 22A2, 22A3, 22A4, 22A5, 22A6, 22A7, 22A9, 22A11, 22A12, 22A18, 23A1, 23A2, 24A1-2, 24A5, 25A1, 25A3, 25A4, 25A4-6, 25A8, 25A10, 25A11, 25A12, 25A13, 25A14, 25A15, 25A17, 25A19, 25A20, 25A27, 25A31, 25A37, 25A39, 26A2, 26A3, 26A4, 26A5, 26A6, 26A7, 26A8, 27A1, 27A2, 27A3, 27A4, 28A1, 28A2, 29A1, 29A2, 29A4, 30A4, 30A7, 30A8, 31A1, 31A2, 32A1, 34A1, 34A2, 34A3, 35A1, 35A2, 35B2, 35B4, 35C1, 36A1, 37A4, 38A2, 38A3, 39A1, 39A2, 39A3, 39A4, 39A6, 39A7, 40A1, 43A1 44A1, 44A2, 44A4, 45A2, O1A2, O1B1, O1B3, O2B1, O3A1, O4A1
Monosaccharide	GLUT1, GLUT2, GLUT3, GLUT4, GLUT5, GLUT6, GLUT8, GLUT9
Other	Amino acid (CD98) - Fatty acid (CD36) - Ion channels - Ion pumps - Mitochondrial membrane transport protein - Neurotransmitter transport proteins - Nuclear (Importin, Karyopherin)

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Acknowledgement and Attribution Regarding Sources of Content

Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .