Sodium- and chloride-dependent glycine transporter (PubMed:37962965, PubMed:8183239). Essential for regulating glycine concentrations at inhibitory glycinergic synapses. {ECO:0000250|UniProtKB:P28571, ECO:0000269|PubMed:37962965, ECO:0000269|PubMed:8183239}. [Isoform GlyT-1B]: Sodium- and chloride-dependent glycine transporter. . [Isoform GlyT-1C]: Sodium- and chloride-dependent glycine transporter. . This is the function of ENSG00000196517 (SLC6A9, solute carrier family 6 member 9).