Recombinant Human KIF3A Protein, N-His

Title: Introduction to Recombinant Human KIF3A Protein

Recombinant Human KIF3A Protein, also known as kinesin family member 3A, is a motor protein that plays a crucial role in intracellular transport and cellular organization. It is a member of the kinesin-2 family, which is responsible for the movement of cargo along microtubules in a process known as anterograde transport. This protein is highly conserved across species and is essential for the proper functioning of cells. In this article, we will explore the structure, activity, and applications of Recombinant Human KIF3A Protein.

Structure of Recombinant Human KIF3A Protein

Recombinant Human KIF3A Protein is a large protein consisting of 737 amino acids with a molecular weight of approximately 85 kDa. It is composed of two heavy chains and two light chains, which come together to form a heterotetrameric complex. The heavy chains contain the motor domain, which is responsible for ATP hydrolysis and microtubule binding, while the light chains are involved in cargo binding.

The motor domain of Recombinant Human KIF3A Protein consists of six subdomains, including a nucleotide-binding domain, a microtubule-binding domain, and a neck linker. These subdomains work together to generate the force necessary for movement along microtubules. The cargo-binding domain is located at the C-terminus of the protein and is responsible for binding to specific cargoes, such as vesicles and organelles.

Activity of Recombinant Human KIF3A Protein

Recombinant Human KIF3A Protein is a highly processive motor protein, meaning it can move along microtubules for long distances without detaching. It moves in a hand-over-hand fashion, with each step consuming one molecule of ATP. This movement is driven by the hydrolysis of ATP, which provides the energy for the motor domain to change conformation and move along the microtubule.

The activity of Recombinant Human KIF3A Protein is regulated by various factors, including post-translational modifications, binding to regulatory proteins, and interaction with other motor proteins. These regulatory mechanisms ensure that the protein is only active when and where it is needed, preventing unnecessary movement and maintaining cellular organization.

Applications of Recombinant Human KIF3A Protein

Recombinant Human KIF3A Protein has a wide range of applications in both basic research and therapeutics. In basic research, it is used as a tool to study intracellular transport and its role in various cellular processes. It can also be used to investigate the function of specific cargoes by tagging them with fluorescent proteins and tracking their movement along microtubules.

In therapeutics, Recombinant Human KIF3A Protein has shown potential as a target for drug development. Dysregulation of KIF3A has been linked to various diseases, such as cancer and neurodegenerative disorders. By targeting this protein, it may be possible to modulate intracellular transport and potentially treat these diseases.

Conclusion

Recombinant Human KIF3A Protein is a crucial motor protein involved in intracellular transport and cellular organization. Its structure, activity, and role in various cellular processes make it an important tool in scientific research and a potential target for therapeutics. Further studies on this protein may lead to a better understanding of its function and potential therapeutic applications.