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貨期:
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用途:
For Research Use Only. Not for use in diagnostic or therapeutic procedures.
Plays a role in the assembly and membrane stacking of the Golgi cisternae, and in the process by which Golgi stacks reform after breakdown during mitosis and meiosis. May regulate the intracellular transport and presentation of a defined set of transmembrane proteins, such as transmembrane TGFA. Required for normal acrosome formation during spermiogenesis and normal male fertility, probably by promoting colocalization of JAM2 and JAM3 at contact sites between germ cells and Sertoli cells. Mediates ER stress-induced unconventional (ER/Golgi-independent) trafficking of core-glycosylated CFTR to cell membrane.
基因功能參考文獻:
Results demonstrate a critical role for GRASP55 and GRASP65 in maintaining the stacked structure of the Golgi, which is required for accurate posttranslational modifications in the Golgi. Additionally, the GRASP knockout cell lines developed in this study will be useful tools for studying the role of GRASP proteins in other important cellular processes. PMID: 28814501
binding site at the cleft between the PDZ1 and PDZ2 domains of GRASP65 is dominated by hydrophobic interactions with GM130 that are not observed in the GRASP55-Golgin45 complex PMID: 28049725
GRASP55 interacts with CD83 shortly after induction of dendritic cells maturation. PMID: 25701785
Cisternal-specific functions of GRASP65 and GRASP55 in continuity, compartmentalization, and function of the Golgi ribbon. PMID: 24227884
propose that GRASP55/65 are negative regulators of exocytic transport and that this slowdown helps to ensure more complete protein glycosylation in the Golgi stack and proper sorting at the trans-Golgi network PMID: 23552074
GRASP55 may function as an adaptor protein coupling MT1-MMP with furin, thus leading to the activation of the zymogen. PMID: 20608975
These results demonstrate that GRASP55 and GRASP65 stack mammalian Golgi cisternae via a common mechanism. PMID: 20083603
Data demonstrate that both GRASP55 and 65 are needed for the efficient transport to and through the Golgi complex, thus highlighting a novel role for the GRASPs in membrane trafficking. PMID: 19840934
GRASP65 is an important structural component required for maintenance of Golgi apparatus integrity PMID: 11815631
MEK1/ERK regulation of GRASP55-mediated Golgi linking is a control point in cell cycle progression PMID: 18434598
GRASP55 forms an effector complex for the small GTPase rab2, together with a conserved coiled-coil protein golgin-45 (JEM-1). PMID: 11739401