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2.A.22.2.12
Sodium- and chloride-dependent glycine transporter 1 (GlyT-1; GlyT1) (Solute carrier family 6 member 9). The stoichometry seems to be 2:1:1 for Na+:Cl-;glycine (Le Guellec et al. 2022). Inhibitors have been identified and patented (Cioffi 2018). Mutations in the gene encoding GlyT1 are associated with GlyT1 encephalopathy (OMIM #601019), a disease causing severe postnatal respiratory deficiency, muscular hypotonia and arthrogryposis, and result in severe impairment of transporter function (Hauf et al. 2020). .

Accession Number:P48067
Protein Name:Sodium- and chloride-dependent glycine transporter 1
Length:706
Molecular Weight:78260.00
Species:Homo sapiens (Human) [9606]
Number of TMSs:12
Location1 / Topology2 / Orientation3: Membrane1 / Multi-pass membrane protein2
Substrate chloride, sodium(1+), glycine

Cross database links:

Entrez Gene ID: 6536   
Pfam: PF00209   
KEGG: hsa:6536   

Gene Ontology

GO:0005887 C:integral to plasma membrane
GO:0005624 C:membrane fraction
GO:0015375 F:glycine:sodium symporter activity
GO:0005328 F:neurotransmitter:sodium symporter activity

References (2)

[1] “Cloning of the human glycine transporter type 1: molecular and pharmacological characterization of novel isoform variants and chromosomal localization of the gene in the human and mouse genomes.”  Kim K.-M.et.al.   8183239
[2] “The DNA sequence and biological annotation of human chromosome 1.”  Gregory S.G.et.al.   16710414

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MSGGDTRAAI ARPRMAAAHG PVAPSSPEQV TLLPVQRSFF LPPFSGATPS TSLAESVLKV 
61:	WHGAYNSGLL PQLMAQHSLA MAQNGAVPSE ATKRDQNLKR GNWGNQIEFV LTSVGYAVGL 
121:	GNVWRFPYLC YRNGGGAFMF PYFIMLIFCG IPLFFMELSF GQFASQGCLG VWRISPMFKG 
181:	VGYGMMVVST YIGIYYNVVI CIAFYYFFSS MTHVLPWAYC NNPWNTHDCA GVLDASNLTN 
241:	GSRPAALPSN LSHLLNHSLQ RTSPSEEYWR LYVLKLSDDI GNFGEVRLPL LGCLGVSWLV 
301:	VFLCLIRGVK SSGKVVYFTA TFPYVVLTIL FVRGVTLEGA FDGIMYYLTP QWDKILEAKV 
361:	WGDAASQIFY SLGCAWGGLI TMASYNKFHN NCYRDSVIIS ITNCATSVYA GFVIFSILGF 
421:	MANHLGVDVS RVADHGPGLA FVAYPEALTL LPISPLWSLL FFFMLILLGL GTQFCLLETL 
481:	VTAIVDEVGN EWILQKKTYV TLGVAVAGFL LGIPLTSQAG IYWLLLMDNY AASFSLVVIS 
541:	CIMCVAIMYI YGHRNYFQDI QMMLGFPPPL FFQICWRFVS PAIIFFILVF TVIQYQPITY 
601:	NHYQYPGWAV AIGFLMALSS VLCIPLYAMF RLCRTDGDTL LQRLKNATKP SRDWGPALLE 
661:	HRTGRYAPTI APSPEDGFEV QPLHPDKAQI PIVGSNGSSR LQDSRI