Amino Acids Transporters

KEY

Number System Name SLC Amino acids Affinity Mechanism Ions Expression
1 A SNAT2 SLC38A2 G,P,A,S,C,Q,N,H,M Medium Symport Na⁺ Ub
2 A SNAT4 SLC38A4 G,A,S,C,Q,N,M,AA⁺ Medium Symport Na⁺ K
3 ASC ASCT1 SLC1A4 A,S,C High Antiport Na⁺ K
4 ASC ASCT2 SLC1A5 A,S,C,T,Q High Antiport Na⁺ K,I (AM)
5 asc 4F2 hc/asc1 SLC3A2/SLC7A10 G,A,S,C,T High Antiport None K
6 B⁰ B⁰AT1 SLC6A19 AA⁰ Low Symport Na⁺ K,I (AM)
7 B⁰ B⁰AT2 SLC6A15 P,L,V,I,M High Symport Na⁺ K
8 B⁰,⁺ ATB⁰,⁺ SLC6A14 AA⁰, AA⁺, β-Ala High Symport Na⁺, Cl⁻ I (AM)
9 b⁰,⁺ rBAT/b⁰,⁺AT SLC3A1/SLC7A9 R,K,O,cystine⁻ High Antiport None K,I (AM)
10 β TauT SLC6A6 Tau, β-Ala High Symport Na⁺, Cl⁻ K (AM,BM)
11 Gly XT2 SLC6A18 G None None None K (AM)
12 IMINO IMINO SLC6A20 P, HO-P Medium Symport Na⁺, Cl⁻ K,I (AM)
13 L 4F2hc/LAT1 SLC3A2/SLC7A5 H,M,L,I,V,F,Y,W High Antiport None None
14 L 4F2hc/LAT2 SLC3A2/SLC7A8 AA⁰, except P Medium Antiport None K,I (BM)
15 L LAT3 SLC43A1 L,I,M,F Low Uniport None K
16 L LAT4 SLC43A2 L,I,M,F Low Uniport None None
17 N SNAT3 SLC38A3 Q,N,H Low Symport Na⁺(S), H⁺(A) K,I (BM)
18 N SNAT5 SLC38A5 Q,N,H,S,G Low Symport Na⁺(S), H⁺(A) K
19 PAT (Imino acid) PAT1 SLC36A1 P,G,A,GABA,β-Ala Low Symport H⁺ K,I (AM)
20 PAT (Imino acid) PAT2 SLC36A2 P,G,A Medium Symport H⁺ K
21 T TAT1 SLC16A10 F,Y,W Low Uniport None K,I (BM)
22 X⁻AG EAAT2 SLC1A2 E,D High Symport Na⁺, H⁺(S), K⁺(A) K (BM)
23 X⁻AG EAAT3 SLC1A1 E,D High Symport Na⁺, H⁺(S), K⁺(A) K,I (AM)
24 x⁻꜀ 4F2 hc/xCT SLC3A2/SLC7A11 E,cystine⁻ High Antiport None Ub
25 y⁺ CAT-1 SLC7A1 R,K,O,H Medium Uniport None Ub
26 y⁺L 4F2hc/y⁺LAT1 SLC3A2/SLC7A7 K,R,Q,H,M,L High Antiport Na⁺(S-AA⁰) K,I (BM)
27 y⁺L 4F2hc/y⁺LAT2 SLC3A2/SLC7A6 K,R,Q,H,M,L,A,C High Antiport Na⁺(S-AA⁰) K,I (BM)