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Table 2 Predominant amino acids transporters identified in porcine mammary glands

From: Recent progress of porcine milk components and mammary gland function

Systems Proteins Genes Substrates
Cationic amino acid transporters
  CAT1 SLC7A1 Arg, Lys, His
  CAT2-B SLC7A2 Arg, Lys, His
Neutral amino acid transporters
  ASCT1 SLC1A4 Ala, Ser, Cys
  ASCT2 SLC1A5 Ala, Ser, Cys, Thr, Gln
  LAT2 SLC7A8 Leu, Ile, Val, Trp
  SNAT2 SLC38A2 Gly, Pro, Ala, Ser, Cys, Gln, Asn, Ser, Met
Cationic and neutral amino acid transporters
  y+LAT1 SLC7A7 Lys, Arg, Gln, His, Met, Leu
  y+LAT2 SLC7A6 Lys, Arg, Gln, His, Met, Leu, Ala, Cys
  b0,+AT SLC7A9 Arg, Lys, Cys
  ATB0,+ SLC6A14 All neutral and cationic amino acids
Anionic amino acid transporters
  EAAT3 SLC1A1 Glu, Asp
  1. Note: References reporting amino acid transporters in porcine mammary gland: [79,80,81]