8ex4 | pdb_00008ex4

Human S1P transporter Spns2 in an inward-facing open conformation (state 1)

spinqualitylabelsall models 8ex4, resolution 2.93Å Show:Asymmetric Unit Biological Assembly Drag the structure with the mouse to rotate   Export Animated Image   Print3D Structural highlights 8ex4 is a 1 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance. Method: Electron Microscopy, Resolution 2.93Å Ligands: S1P Resources: FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT Disease SPNS2_HUMAN The disease is caused by variants affecting the gene represented in this entry. Function SPNS2_HUMAN Lipid transporter that specifically mediates export of sphingosine-1-phosphate (sphing-4-enine 1-phosphate, S1P) and sphinganine-1-phosphate in the lymph, thereby playing a role in lymphocyte trafficking (PubMed:19074308, PubMed:21084291, PubMed:23180825). S1P is a bioactive signaling molecule that regulates many physiological processes important for the development and for the immune system (PubMed:19074308, PubMed:23180825). Regulates levels of S1P and the S1P gradient that exists between the high circulating concentrations of S1P and low tissue levels that control lymphocyte trafficking (PubMed:19074308, PubMed:23180825). Required for the egress of T-cells from lymph nodes during an immune response by mediating S1P secretion, which generates a gradient that enables activated T-cells to access lymph (By similarity). Also required for the egress of immature B-cells from the bone marrow (By similarity). In contrast, not involved in S1P release from red blood cells (By similarity). Involved in auditory function (PubMed:30973865). S1P release in the inner ear is required for maintenance of the endocochlear potential in the cochlea (By similarity). In addition to export, also able to mediate S1P import (By similarity).[UniProtKB:Q91VM4]

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