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FOLR2 is a member of the folate receptor (FOLR) family, and these genes exist in a cluster on chromosome 11. Members of this gene family have a high affinity for folic acid and for several reduced folic acid derivatives, and they mediate delivery of 5-methyltetrahydrofolate to the interior of cells. This protein has a 68% and 79% sequence homology with the FOLR1 and FOLR3 proteins, respectively. Although this protein was originally thought to be specific to placenta, it can also exist in other tissues, and it may play a role in the transport of methotrexate in synovial macrophages in rheumatoid arthritis patients.
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Protein Aliases: folate binding protein 2; Folate receptor 2; Folate receptor beta; Folate-binding protein 2; FR-beta
Gene Aliases: FBP2; Folbp-2; Folbp2; Folr2; FR-beta; FR-P3
UniProt ID: (Mouse) Q05685
Entrez Gene ID: (Rat) 293154, (Mouse) 14276
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