Gene Information
Gene NameETT
OrganismHomo sapiens (Human)
Gene Length551
Protein NamesSolute carrier family 22 member 4 (Ergothioneine transporter) (ET transporter) (Organic cation/carnitine transporter 1)
Target NameNA
Target TypeNA
Gene AgeNA
Evolutionary StageNA
AlphaFoldDBQ9H015
Gene CardSLC22A4
Uniprot IDQ9H015
PfamPF00083
In ASDno
Allosteric PredictionNA
Ortholog in AnimalsNA
OhnologsNA
ParalogsNA
TissueNA
Tissue SpecificityWidely expressed. Highly expressed in whole blood, bone marrow, trachea and fetal liver. Weakly expressed in kidney, skeletal muscle, prostate, lung, pancreas, placenta, heart, uterus, spleen and spinal cord. Highly expressed in intestinal cell types affected by Crohn disease, including epithelial cells. Expressed in CD68 macrophage and CD43 T-cells but not in CD20 B-cells. Predominantly expressed in CD14 cells in peripheral blood mononuclear cells. {ECO:0000269|PubMed:14608356, ECO:0000269|PubMed:15107849, ECO:0000269|PubMed:9426230}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs272893  rs4646201  rs1050152 
Subcellular location [CC]Membrane;
Multi-pass membrane protein.
Mouse PG classificationNA
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