Gene Information
Gene NameSLC52A2
OrganismHomo sapiens (Human)
Gene Length445
Protein NamesSolute carrier family 52, riboflavin transporter, member 2 (Porcine endogenous retrovirus A receptor 1) (PERV-A receptor 1) (Protein GPR172A) (Riboflavin transporter 3) (hRFT3)
Target Namegamma-hydroxybutyrate (ghb) receptor
Target TypeNA
Gene Age987 ( ENSG00000185803 )
3 ( ENSG00000285112 )
Evolutionary StageOpisthokonta
AlphaFoldDBQ9HAB3
Gene CardSLC52A2
Uniprot IDQ9HAB3
PfamPF06237
In ASDno
Allosteric Predictionno (-0.297814253)
Ortholog in AnimalsAlpaca_ SLC52A2 ( ortholog_one2many )
Macaque_ SLC52A2 ( ortholog_one2one )
Mouse_ Slc52a2 ( ortholog_one2many )
Rat_ Slc52a2 ( ortholog_one2many )
OhnologsSLC52A3, SLC52A1
ParalogsSLC52A1, SLC52A3
TissueNA
Tissue SpecificityHighly expressed in brain, fetal brain and salivary gland. Weakly expressed in other tissues. {ECO:0000269|PubMed:12740431, ECO:0000269|PubMed:20463145}.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB NA 
DBSNP rs797045199  rs397514657  rs397514538  rs377740960  rs398123067  rs398123068  rs398124641  rs754320812  rs148234606  rs397514658 
Subcellular location [CC]Cell membrane {ECO:0000269|PubMed:17197387, ECO:0000269|PubMed:20463145, ECO:0000269|PubMed:24253200, ECO:0000269|PubMed:27702554};
Multi-pass membrane protein {ECO:0000255}.
Mouse PG classificationNA
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