NCBI and Uniprot Product Information
NCBI Description
serine threonine protein kinase; 2.8 kb transcript is detected in somatic cells and a 2.3 kb transcript using an alternate polyadenylation signal is expressed in testis [RGD, Feb 2006]
Uniprot Description
Pim1: a proto-oncogene serine/threonine kinase involved in cell survival and cell proliferation and thus providing a selective advantage in tumorigenesis. Exerts its oncogenic activity through: the regulation of MYC transcriptional activity, the regulation of cell cycle progression and by phosphorylation and inhibition of proapoptotic proteins (BAD, MAP3K5, FOXO3). Phosphorylation of MYC leads to an increase of MYC protein stability and thereby an increase of transcriptional activity. The stabilization of MYC exerced by PIM1 might explain partly the strong synergism between these two oncogenes in tumorigenesis. Mediates survival signaling through phosphorylation of BAD, which induces release of the anti-apoptotic protein Bcl- X(L)/BCL2L1. Phosphorylation of ASK1 an other proapoptotic protein, by PIM1, significantly decreases ASK1 kinase activity and inhibits MAP3K5-mediated phosphorylation of JNK and JNK/p38MAPK subsequently reducing caspase-3 activation and cell apoptosis. Stimulates cell cycle progression at the G1-S and G2-M transitions by phosphorylation of CDC25A and CDC25C. Phosphorylation of p21Cip1, a regulator of cell cycle progression at G1, results in the relocation of p21Cip1 to the cytoplasm and enhanced p21Cip1 protein stability. Promote cell cycle progression and tumorigenesis by down-regulating expression of a regulator of cell cycle progression, p27Kip1, at both transcriptional and post- translational levels. Phosphorylation of p27Kip1,induces 14-3-3- proteins binding, nuclear export and proteasome-dependent degradation. May affect the structure or silencing of chromatin by phosphorylating HP1 gamma/CBX3. Acts also as a regulator of homing and migration of bone marrow cells involving functional interaction with the CXCL12-CXCR4 signaling axis. Isoform 2 is isolated as a monomer whereas isoform 1 complexes with other proteins. Binds to RP9. Isoform 1, but not isoform 2, binds BMX. Isoform 2 interacts with p27Kip1 and FOXO3. Interacts with BAD. Interacts with PPP2CA; this interaction promotes dephosphorylation of PIM1, ubiquitination and proteasomal degradation. Interacts with HSP90, this interaction stabilizes PIM1 protein levels. Ubiquitinated form interacts with HSP70 and promotes its proteosomal degradation. Strongly induced in leukocytes by the JAK/STAT pathway in response to cytokines. Induced by different cellular stresses, heat shock and cytotoxic agents. Expressed primarily in cells of the hematopoietic and germline lineages. 2 isoforms of the human protein are produced by alternative initiation. Both isoforms are expressed in prostate cancer cell lines.
Protein type: EC 2.7.11.1; Oncoprotein; Protein kinase, CAMK; Kinase, protein; Protein kinase, Ser/Thr (non-receptor); CAMK group; PIM family
Cellular Component: cytoplasm; nucleus; plasma membrane
Molecular Function: ATP binding; manganese ion binding; protein serine/threonine kinase activity; ribosomal small subunit binding; transcription factor binding
Biological Process: apoptosis; cell proliferation; G1/S-specific positive regulation of cyclin-dependent protein kinase activity; hyaluronan metabolic process; negative regulation of apoptosis; negative regulation of transcription factor activity; protein amino acid autophosphorylation; protein amino acid phosphorylation; regulation of mitotic cell cycle
Research Articles on PIM-1
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Product Notes
The Human PIM-1 pim1 (Catalog #AAA765402) is an ELISA Kit and is intended for research purposes only. The product is available for immediate purchase. The AAA765402 ELISA Kit recognizes Human PIM-1. It is sometimes possible for the material contained within the vial of "Serine/Threonine-protein Kinase Pim-1, ELISA Kit" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.Precautions
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