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ELISA Kit for Rat Cyclin-dependent-like kinase 5

SKU : BHE13801944

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EIAAB SCIENCE INC, WUHAN

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Mfr.No.	E0739r
Alternative Names	Cell division protein kinase 5 ; Serine/threonine-protein kinase PSSALRE ; Tau protein kinase II catalytic subunit ; TPKII catalytic subunit ; Cdkn5
Categories	Elisa
Function	Proline-directed serine/threonine-protein kinase essential for neuronal cell cycle arrest and differentiation and may be involved in apoptotic cell death in neuronal diseases by triggering abortive cell cycle re-entry. Interacts with D1 and D3-type G1 cyclins. Phosphorylates SRC, NOS3, VIM/vimentin, p35/CDK5R1, MEF2A, SH3GLB1, PXN, PAK1, MCAM/MUC18, SEPT5, SYN1, DNM1, AMPH, SYNJ1, CDK16, RAC1, RHOA, CDC42, TONEBP/NFAT5, MAPT/TAU, MAP1B, histone H1, p53/TP53, HDAC1, APEX1, huntingtin/HTT, ATM, MAP2, NEFH and NEFM. Regulates several neuronal development and physiological processes including neuronal survival, migration and differentiation, axonal and neurite growth, synaptogenesis, oligodendrocytes differentiation, synaptic plasticity and neurotransmission, by phosphorylating key proteins. Activated by interaction with CDK5R1 (p35) and ATP6V0D1 (p39), especially in post-mitotic neurons, and promotes CDK5R1 (p35) expression in an autostimulation loop. Phosphorylates many downstream substrates such as Rho and Ras family small GTPases (e.g. PAK1, RAC1, RHOA, CDC42) or microtubule-binding proteins (e.g. MAPT/TAU, MAP2, MAP1B), and modulates actin dynamics to regulate neurite growth and/or spine morphogenesis. Phosphorylates also exocytosis associated proteins such as MCAM/MUC18, SEPT5, SYN1, and PCTAIRE 1/CDK16 as well as endocytosis associated proteins such as DNM1, AMPH and SYNJ1 at synaptic terminals. In the mature central nervous system (CNS), regulates neurotransmitter movements by phosphorylating substrates associated with neurotransmitter release and synapse plasticity; synaptic vesicle exocytosis, vesicles fusion with the presynaptic membrane, and endocytosis. Promotes cell survival by activating anti-apoptotic proteins BCL2 and STAT3, and negatively regulating of JNK3/MAPK10 activity. Phosphorylation of p53/TP53 in response to genotoxic and oxidative stresses enhances its stabilization by preventing ubiquitin ligase-mediated proteasomal degradation, and induces transactivation of p53/TP53 target genes, thus regulating apoptosis. Phosphorylation of p35/CDK5R1 enhances its stabilization by preventing calpain-mediated proteolysis producing p25/CDK5R1 and avoiding ubiquitin ligase-mediated proteasomal degradation. During aberrant cell-cycle activity and DNA damage, p25/CDK5 activity elicites cell-cycle activity and double-strand DNA breaks that precedes neuronal death by deregulating HDAC1. DNA damage triggered phosphorylation of huntingtin/HTT in nuclei of neurons protects neurons against polyglutamine expansion as well as DNA damage mediated toxicity. Phosphorylation of PXN reduces its interaction with PTK2/FAK in matrix-cell focal adhesions (MCFA) during oligodendrocytes (OLs) differentiation. Negative regulator of Wnt/beta-catenin signaling pathway. Activator of the GAIT (IFN-gamma-activated inhibitor of translation) pathway, which suppresses expression of a post-transcriptional regulon of proinflammatory genes in myeloid cells; phosphorylates the linker domain of glutamyl-prolyl tRNA synthetase (EPRS) in a IFN-gamma-dependent manner, the initial event in assembly of the GAIT complex. Phosphorylation of SH3GLB1 is required for autophagy induction in starved neurons. Phosphorylation of TONEBP/NFAT5 in response to osmotic stress mediates its rapid nuclear localization. MEF2 is inactivated by phosphorylation in nucleus in response to neurotoxin, thus leading to neuronal apoptosis. APEX1 AP-endodeoxyribonuclease is repressed by phosphorylation, resulting in accumulation of DNA damage and contributing to neuronal death. NOS3 phosphorylation down regulates NOS3-derived nitrite (NO) levels. SRC phosphorylation mediates its ubiquitin-dependent degradation and thus leads to cytoskeletal reorganization. May regulate endothelial cell migration and angiogenesis via the modulation of lamellipodia formation. Involved in dendritic spine morphogenesis by mediating the EFNA1-EPHA4 signaling.
Specificity	Natural and recombinant Rat Cyclin-dependent-like kinase 5
Subcellular Location	Cytoplasm Cell membrane Peripheral membrane protein Perikaryon Cell projection lamellipodium Cell projection growth cone Nucleus Cell junction synapse postsynaptic cell membrane postsynaptic density In axonal growth cone with extension to the peripheral lamellipodia (By similarity). Under neurotoxic stress and neuronal injury conditions, CDK5R1 (p35) is cleaved by calpain to generate CDK5R1 (p25) in response to increased intracellular calcium. The elevated level of p25, when in complex with CDK5, leads to its subcellular misallocation as well as its hyperactivation. Co-localizes with CTNND2 in the cell body of neuronal cells, and with CTNNB1 in the cell-cell contacts and plasma membrane of undifferentiated and differentiated neuroblastoma cells. Reversibly attached to the plasma membrane in an inactive form when complexed to dephosphorylated p35 or CDK5R2 (p39), p35 phosphorylation releases this attachment and activates CDK5.
Detection Range	0.156-10ng/mL
Entryname	CDK5_RAT
Method Type	Sandwich
Platform	PF00069
Protein Name	Cyclin-dependent-like kinase 5
Sensitivity	0.053ng/mL
Sequence	50: MQKYEKLEKI ; GEGTYGTVFK ; AKNRETHEIV ; ALKRVRLDDD ; DEGVPSSALR ; 100: EICLLKELKH ; KNIVRLHDVL ; HSDKKLTLVF ; EFCDQDLKKY ; FDSCNGDLDP ; 150: EIVKSLLFQL ; LKGLGFCHSR ; NVLHRDLKPQ ; NLLINRNGEL ; KLADFGLARA ; 200: FGIPVRCYSA ; EVVTLWYRPP ; DVLFGAKLYS ; TSIDMWSAGC ; IFAELANAGR ; 250: PLFPGNDVDD ; QLKRIFRLLG ; TPTEEQWPAM ; TKLPDYKPYP ; MYPATTSLVN ; 292: VVPKLNATGR ; DLLQNLLKCN ; PVQRISAEEA ; LQHPYFSDFC ; PP
Sequence Length	292
String	Q03114
Sub Unit	Heterodimer composed of a catalytic subunit CDK5 and a regulatory subunit CDK5R1 (p25) and macromolecular complex composed of at least CDK5, CDK5R1 (p35) and CDK5RAP1 or CDK5RAP2 or CDK5RAP3. Only the heterodimer shows kinase activity. Under neurotoxic stress and neuronal injury conditions, p35 is cleaved by calpain to generate p25 that hyperactivates CDK5, that becomes functionally disabled and often toxic. Found in a trimolecular complex with CABLES1 and ABL1. Interacts with CABLES1 and CABLES2 (By similarity). Interacts with AATK and GSTP1. Binds to HDAC1 when in complex with p25. Interaction with myristoylation p35 promotes CDK5 association with membranes. Both isoforms 1 and 2 interacts with beta-catenin/CTNNB1. Interacts with delta-catenin/CTNND2 and APEX1. Interacts with P53/TP53 in neurons (By similarity). Interacts with EPHA4; may mediate the activation of NGEF by EPHA4.

Uniprot	Q03114
Gene Name	Cdk5
Immunogen Species	Rattus norvegicus (Rat)
Kegg	rno:140908
Unigene	Rn.10749

Reference	1. "D type cyclins associate with multiple protein kinases and the DNA replication and repair factor PCNA." Xiong Y., Zhang H., Beach D.H. Cell71:505-514(1992) [PubMed] [Europe PMC] [Abstract] [15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s) Cited for: NUCLEOTIDE SEQUENCE [MRNA] 2. "Neuronal cdc2-like kinase: a cdc2-related protein kinase with predominantly neuronal expression." Hellmich M.R., Pant H.C., Wada E., Battey J.F. Proc. Natl. Acad. Sci. U.S.A.89:10867-10871(1992) [PubMed] [Europe PMC] [Abstract] [15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s) Cited for: NUCLEOTIDE SEQUENCE [MRNA] tissue: Brain. 3. "Apoptosis-associated tyrosine kinase is a Cdk5 activator p35 binding protein." Honma N., Asada A., Takeshita S., Enomoto M., Yamakawa E., Tsutsumi K., Saito T., Satoh T., Itoh H., Kaziro Y., Kishimoto T., Hisanaga S. Biochem. Biophys. Res. Commun.310:398-404(2003) [PubMed] [Europe PMC] [Abstract] [15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s) Cited for: INTERACTION WITH AATK 4. "Cdk5 regulates EphA4-mediated dendritic spine retraction through an ephexin1-dependent mechanism." Fu W.Y., Chen Y., Sahin M., Zhao X.S., Shi L., Bikoff J.B., Lai K.O., Yung W.H., Fu A.K., Greenberg M.E., Ip N.Y. Nat. Neurosci.10:67-76(2007) [PubMed] [Europe PMC] [Abstract] [15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s) Cited for: INTERACTION WITH EPHA4;SUBCELLULAR LOCATION 5. "Critical role of CDK5 and Polo-like kinase 2 in homeostatic synaptic plasticity during elevated activity." Seeburg D.P., Feliu-Mojer M., Gaiottino J., Pak D.T., Sheng M. Neuron58:571-583(2008) [PubMed] [Europe PMC] [Abstract] [15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s) Cited for: FUNCTION IN PHOSPHORYLATION OF SIPA1L1

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