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Immunogen sequence: GSYFVKDPK RKIIGVFKPK SEEPYGQLNP KWTKYVHKVC CPCCFGRGCL IPNQGYLSEA GAYLVDNKLH LSIVPKTKVV WLVSETFNYN AIDRAKSRGK KYALEKVPKV GRKFHRIGLP PKIGSFQLFV EGYKEAEYWL RKFEADPLPE NIRKQFQSQF ERLVILDYII RNTDRGNDNW LVRYEKQKCE KEIDHKESKW IDDEEFLIKI AAIDNGLAFP FKHPDEWRAY PFHWAWLPQA KVPFSEEIRN LILPYISDMN FVQDLCEDLY ELFKTDKGFD KATFESQMSV MRGQILNLTQ ALRDGKSPFQ LVQIPCVIVE RSQGGSQGRI VHLSNSFTQT VNCRKPFFSS W (132-481 aa encoded by BC051749)
PI4K2B lipid kinase is a member of the phosphatidylinositol 4-kinase family (PI4K) that phosphorylate phosphatidylinositol to generate phosphatidylinositol 4-phosphate which are immediate precursor of several important signaling and scaffolding molecules. PI4K2B is primarily a cytosolic PI4K that is recruited to membranes where it stimulates phosphatidylinositol 4,5-bisphosphate syntheses. PI4K2B uses phosphatidylinositol as its primary substrate and has no activity on phosphatidylinositol monophosphates. PI4K2B is a restricted minor histocompatibility antigen in patients that had been successfully treated with donor lymphocyte infusions for relapsed chronic myeloid leukemia after allogeneic stem cell transplantation. Phosphatidylinositol 4-kinases (PI4Ks) phosphorylate phosphatidylinositol to generate phosphatidylinositol 4-phosphate (PIP), an immediate precursor of several important signaling and scaffolding molecules. PIP itself may also have direct functional and structural roles. PI4K2B is a primarily cytosolic PI4K that is recruited to membranes, where it stimulates phosphatidylinositol 4, 5-bisphosphate synthesis (Wei et al., 2002 ).
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Protein Aliases: phosphatidylinositol 4-kinase; Phosphatidylinositol 4-kinase type 2-beta; Phosphatidylinositol 4-kinase type II-beta; phosphatidylinositol 4-kinase type-II beta; PI4K2B protein; PI4KII-BETA
Gene Aliases: 2610042N09Rik; 4933409G22Rik; PI4K2B; PI4KIIB; PIK42B
Molecular Function: kinase