Recombinant Human CAMK2 delta Protein

Name: Recombinant Human CAMK2 delta Protein
Brand: Beta LifeScience
SKU: BL-0781SG
Availability: InStock

Collections: Other recombinant proteins, Recombinant proteins

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Product Overview

Tag	GST
Host Species	Human
Accession	NM_172115
Synonym	CAMKD, MGC44911
Background	CAMK2D is a serine/threonine protein kinase that is a member of the type II multifunctional Ca2+/calmodulin-dependent protein kinase family. CAMK2D is abundantly present in human cardiac and skeletal muscle and its levels are increased in the heart of patients suffering from cardiomyopathy (1). In cardiomyocytes, stimulation of beta-1-adrenergic receptor leads to induction of apoptosis, an effect that is mediated by activation of CAMK2D in a PKA-independent manner. In addition, expression studies have revealed the downregulation of CAMK2D in human tumor cells.
Description	Full-length recombinant human CAMK2delta was produced by baculovirus in Sf9 insect cells, fused with a GST tag at N-terminus. This protein is purified with our unique purification methods.
Source	Sf9 insect cells
AA Sequence	Full Length
Molecular Weight	~77 kDa
Purity	For specific purity information on a given lot, see related COA.
Endotoxin	< 1.0 EU per μg of the protein as determined by the LAL method
Bioactivity	Active
Formulation	Recombinant protein is supplied in 50mM Tris-HCl, pH 7.5, 50mM NaCl, 10mM Glutathione, 0.25mM DTT, 0.1mM EDTA, 0.1mM PMSF and 25% glycerol.
Stability	The recombinant protein is stable for up to 12 months at -70°C
Usage	For Research Use Only
Storage	Recombinant Human CAMK2 delta Protein should be stored should be stored at < -70°C. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.

Target Details

Target Function	Calcium/calmodulin-dependent protein kinase involved in the regulation of Ca(2+) homeostatis and excitation-contraction coupling (ECC) in heart by targeting ion channels, transporters and accessory proteins involved in Ca(2+) influx into the myocyte, Ca(2+) release from the sarcoplasmic reticulum (SR), SR Ca(2+) uptake and Na(+) and K(+) channel transport. Targets also transcription factors and signaling molecules to regulate heart function. In its activated form, is involved in the pathogenesis of dilated cardiomyopathy and heart failure. Contributes to cardiac decompensation and heart failure by regulating SR Ca(2+) release via direct phosphorylation of RYR2 Ca(2+) channel on 'Ser-2808'. In the nucleus, phosphorylates the MEF2 repressor HDAC4, promoting its nuclear export and binding to 14-3-3 protein, and expression of MEF2 and genes involved in the hypertrophic program. Is essential for left ventricular remodeling responses to myocardial infarction. In pathological myocardial remodeling acts downstream of the beta adrenergic receptor signaling cascade to regulate key proteins involved in ECC. Regulates Ca(2+) influx to myocytes by binding and phosphorylating the L-type Ca(2+) channel subunit beta-2 CACNB2. In addition to Ca(2+) channels, can target and regulate the cardiac sarcolemmal Na(+) channel Nav1.5/SCN5A and the K+ channel Kv4.3/KCND3, which contribute to arrhythmogenesis in heart failure. Phosphorylates phospholamban (PLN/PLB), an endogenous inhibitor of SERCA2A/ATP2A2, contributing to the enhancement of SR Ca(2+) uptake that may be important in frequency-dependent acceleration of relaxation (FDAR) and maintenance of contractile function during acidosis. May participate in the modulation of skeletal muscle function in response to exercise, by regulating SR Ca(2+) transport through phosphorylation of PLN/PLB and triadin, a ryanodine receptor-coupling factor.
Subcellular Location	Cell membrane, sarcolemma; Peripheral membrane protein; Cytoplasmic side. Sarcoplasmic reticulum membrane; Peripheral membrane protein; Cytoplasmic side.
Protein Families	Protein kinase superfamily, CAMK Ser/Thr protein kinase family, CaMK subfamily
Database References	HGNC: 1462 OMIM: 607708 KEGG: hsa:817 STRING: 9606.ENSP00000339740 UniGene: Hs.144114
Tissue Specificity	Expressed in cardiac muscle and skeletal muscle. Isoform Delta 3, isoform Delta 2, isoform Delta 8 and isoform Delta 9 are expressed in cardiac muscle. Isoform Delta 11 is expressed in skeletal muscle.

Gene Functions References

CKIalpha-mediated NS5A S235 phosphorylation is critical for HCV replication. CaMKII gamma and delta may have negative roles in the HCV life cycle. PMID: 27875595
CEACAM1 is able to maintain the active transcription of ID4 by an epigenetic mechanism involving HDAC4 and CaMK2D, and the same kinase enables lumen formation by CEACAM1 PMID: 27302061
CaMKIId activity is up-regulated in the myocardium of diabetic patients and mouse models of diabetes, where it promotes pathological signaling that includes hypertrophy, fibrosis and apoptosis. PMID: 26198034
Study found a significant association with disordered gambling and rs167771 (DRD3) and with rs381572 (CAMK2D) in humans PMID: 25266122
This study showed that AKAP12,CAMK2D and a molecular pathway(cyclic amp)association to outcome of depressive during citalopram treatment. PMID: 24986638
Reveal a novel in vivo function of CaMKIIdelta in regulating H3 phosphorylation and suggest a novel epigenetic mechanism by which CaMKIIdelta controls cardiac hypertrophy. PMID: 25421395
CAMKIIdelta is required for PP1gamma-exacerbated apoptosis of cardiomyocytes. PMID: 24196533
Our studies suggest that CaMKII is a molecular signal that couples increased reactive oxygen species with atrial fibrillation and that therapeutic strategies to decrease oxidized CaMKII may prevent or reduce it. PMID: 24030498
End-stage failing human hearts had more phosphorylation at CaMKII-dependent titin sites, contributing to their mechanical dysfunction & establishing a new role for CaMKIIdelta in regulating diastolic passive properties of healthy & diseased hearts. PMID: 23283722
suggest that CaMKII and calcineurin provide a switch-like mechanism that controls Ca-dependent LIMK1, SSH1L and cofilin activation, and subsequently actin cytoskeletal reorganization PMID: 22270398
Data show that Pcp4 overexpression induces precocious neuronal differentiation, and is associated with an increase in CaMKIIdelta activation. PMID: 21491429
Single nucleotide polymorphism in CAMK2D gene is associated with epithelial ovarian cancer. PMID: 21447778
This study shows for the first time that CAMKII inhibition acutely improves contractility in human heart failure where CAMKIIdelta expression is increased. PMID: 20814023
The crystal structure of the human CaMKIIdelta/Ca2+/CaM complex, is described. PMID: 20668654
Calcium/Calmodulin-dependent protein kinase II delta 6 (CaMKIIdelta6) and RhoA is involved in thrombin-induced endothelial barrier dysfunction PMID: 20442409
HDAC4 as a specific downstream substrate of CaMKIIdeltaB in cardiac cells and have broad applications for the signaling pathways leading to cardiac hypertrophy and heart failure. PMID: 17179159
Chronic upregulation/activation of CaMKIID, and PKD in heart failure shifts HDAC5 out of the nucleus, derepressing transcription of hypertrophic genes. PMID: 18218981
The cloned, expressed CAMK2delta6 protein comigrated with D52 kinase and colocalized with D52 protein in T84 and HEK293 cells. These findings support a role for CAMK2delta6 in the mediation of D52 phosphorylation. PMID: 18832449

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Proteins are sensitive to heat, and freeze-drying can preserve the activity of the majority of proteins. It improves protein stability, extends storage time, and reduces shipping costs. However, freeze-drying can also lead to the loss of the active portion of the protein and cause aggregation and denaturation issues. Nonetheless, these adverse effects can be minimized by incorporating protective agents such as stabilizers, additives, and excipients, and by carefully controlling various lyophilization conditions.

Commonly used protectant include saccharides, polyols, polymers, surfactants, some proteins and amino acids etc. We usually add 8% (mass ratio by volume) of trehalose and mannitol as lyoprotectant. Trehalose can significantly prevent the alter of the protein secondary structure, the extension and aggregation of proteins during freeze-drying process; mannitol is also a universal applied protectant and fillers, which can reduce the aggregation of certain proteins after lyophilization.

Our protein products do not contain carrier protein or other additives (such as bovine serum albumin (BSA), human serum albumin (HSA) and sucrose, etc., and when lyophilized with the solution with the lowest salt content, they often cannot form A white grid structure, but a small amount of protein is deposited in the tube during the freeze-drying process, forming a thin or invisible transparent protein layer.

Reminder: Before opening the tube cap, we recommend that you quickly centrifuge for 20-30 seconds in a small centrifuge, so that the protein attached to the tube cap or the tube wall can be aggregated at the bottom of the tube. Our quality control procedures ensure that each tube contains the correct amount of protein, and although sometimes you can't see the protein powder, the amount of protein in the tube is still very precise.

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