Human Muscle, Skeletal Receptor Tyrosine-Protein Kinase (MUSK) Protein
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Description
Muscle, Skeletal Receptor Tyrosine-Protein Kinase (MUSK) protein is a recombinant Human protein expressed in Insect.
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Product specifications
| Category | Proteins and Peptides |
| Immunogen Target | Muscle, Skeletal Receptor Tyrosine-Protein Kinase (MUSK) |
| Host | Insect |
| Assay Type | Activity: Not tested Sequence Fragment: Arg433-Val783 Tag: N-terminal His tag and GST tag |
| Origin | Human |
| Observed MW | 68 kDa |
| Expression | Recombinant |
| Purity | > 90% (SDS-PAGE) |
| Size 1 | 50 µg |
| Form | Liquid |
| Tested Applications | SDS-PAGE |
| Buffer | Prior to lyophilization: Sterile 20 mM Tris, 500 mM NaCl, pH 7.4, 10 mM GSH. |
| Availability | Shipped within 5-15 working days. |
| Storage | Aliquot and store at -20 °C. Avoid repeated freeze/thaw cycles. Shelf Life: 6 months. |
| Dry Ice | No |
| UniProt ID | O15146-2 |
| Alias | CMS9,FADS,FADS1,Muscle-specific tyrosine-protein kinase receptor,Muscle skeletal receptor tyrosine-protein kinase |
| Background | Protein MUSK |
| Status | RUO |
| Note | THIS PRODUCT IS FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC, THERAPEUTIC OR COSMETIC PROCEDURES. NOT FOR HUMAN OR ANIMAL CONSUMPTION. Endotoxin Level: < 1.0 EU per µg (LAL method). |
Descripción
Muscle-associated receptor tyrosine kinase (MUSK) is a critical protein in the formation and maintenance of the neuromuscular junction (NMJ), the synapse between motor neurons and muscle fibers. MUSK is essential for the proper functioning of the NMJ, playing a pivotal role in the signaling pathways that govern the assembly and stability of this specialized synapse. The NMJ is crucial for muscle contraction and overall motor function, and disruptions in MUSK function can lead to severe neuromuscular diseases. MUSK is encoded by the MUSK gene, located on chromosome 9 in humans. The protein belongs to the receptor tyrosine kinase family and is highly conserved across species, reflecting its essential role in muscle biology. MUSK activation is tightly regulated and involves interactions with several other proteins, including agrin, low-density lipoprotein receptor-related protein 4 (LRP4), and downstream effectors such as rapsyn.
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Receptor tyrosine kinase which plays a central role in the formation and the maintenance of the neuromuscular junction(NMJ), the synapse between the motor neuron and the skeletal muscle(PubMed:25537362). Recruitment of AGRIN by LRP4 to the MUSK signaling complex induces phosphorylation and activation of MUSK, the kinase of the complex. The activation of MUSK in myotubes regulates the formation of NMJs through the regulation of different processes including the specific expression of genes in subsynaptic nuclei, the reorganization of the actin cytoskeleton and the clustering of the acetylcholine receptors(AChR) in the postsynaptic membrane. May regulate AChR phosphorylation and clustering through activation of ABL1 and Src family kinases which in turn regulate MUSK. DVL1 and PAK1 that form a ternary complex with MUSK are also important for MUSK-dependent regulation of AChR clustering. May positively regulate Rho family GTPases through FNTA. Mediates the phosphorylation of FNTA which promotes prenylation, recruitment to membranes and activation of RAC1 a regulator of the actin cytoskeleton and of gene expression. Other effectors of the MUSK signaling include DNAJA3 which functions downstream of MUSK. May also play a role within the central nervous system by mediating cholinergic responses, synaptic plasticity and memory formation(By similarity).
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