SLC37: The sugar-phosphate/phosphate exchanger family
Human Gene Name	Protein Name	Aliases	Predominant Substrates	Transport type /Coupling ions ^*)	Tissue distribution and cellular/ subcellular expression	Link to disease ^#)	Map position	Sequence Accession ID	Splice variants and their specific features
SLC37A1	SPX1	G3PP	Glycerol 3-phosphate (?)	E/Inorganic phosphate (?)	Adult bone marrow, colon, small intestine, kidney, liver and other tissues. Fetal liver, spleen and other tissues		21q22.3	NM_018964	Seven 5’ untranslated exons which form at least 4 different 5’ ends
SLC37A2	SPX2	Ci2	unknown	unknown	ESTs from several tissues		11q24.2	NM_198277
SLC37A3	SPX3		unknown	unknown	EST from several tissues, high level in breast and stomach		7q34	NM_032295
SLC37A4	SPX4	G6PT1	Glucose-6-phosphate	E/Inorganic phosphate	Strongly expressed in liver, kidney and hematopoietic progenitor cells	OMIM 232220/232240 Glycogen storage disease non-1a	11q23.3	NM_001467	Exon 7 is present in the brain-specific isoform (present also in skeletal muscle and heart)

References:

Original version of the SLC table:

Bartoloni L, Antonarakis SE. The human sugar-phosphate/phosphate exchanger family SLC37. Pflugers Arch. 2004 Feb;447(5):780-3.