brain specific L proline transporter
solute carrier family 6 member 7

CKM
creatine kinase, M-type

CKMT1A
creatine kinase, mitochondrial 1A

CKMT2
creatine kinase, mitochondrial 2

GAMT
guanidinoacetate N-methyltransferase

GAT 3
solute carrier family 6 member 11

GATM
glycine amidinotransferase

SLC6A12
solute carrier family 6 member 12

SLC6A8
solute carrier family 6 member 8