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Coatomer protein complex, subunit beta 1

beta-COP, CopB, Replication Protein C
This gene encodes a protein subunit of the coatomer complex associated with non-clathrin coated vesicles. The coatomer complex, also known as the coat protein complex 1, forms in the cytoplasm and is recruited to the Golgi by activated guanosine triphosphatases. Once at the Golgi membrane, the coatomer complex may assist in the movement of protein and lipid components back to the endoplasmic reticulum. Alternatively spliced transcript variants have been described. [provided by RefSeq, Jan 2009] (from NCBI)
Papers on beta-COP
Adenoprotection of the heart involves phospholipase C-induced activation and translocation of PKC-epsilon to RACK2 in adult rat and mouse.
Dobson et al., Worcester, United States. In Am J Physiol Heart Circ Physiol, 2009
A(1)R stimulation of the heart is associated with PLC-initiated PKC-epsilon translocation and association with RACK2
Mutational analysis of betaCOP (Sec26p) identifies an appendage domain critical for function.
Collins et al., Ithaca, United States. In Bmc Cell Biol, 2007
Together, these results indicate an essential function for the predicted betaCOP appendage and suggest that both COPI appendages perform a biologically active regulatory role with a structure related to adaptin-family appendage domains.
Novel cargo-binding site in the beta and delta subunits of coatomer.
Schwappach et al., Heidelberg, Germany. In J Cell Biol, 2007
Two highly conserved stretches--in the beta- and delta-COPI subunits--are required to maintain Pmp2GFP reporters exposing R-based signals in the endoplasmic reticulum.
Copb1-facilitated axonal transport and translation of kappa opioid-receptor mRNA.
Wei et al., Minneapolis, United States. In Proc Natl Acad Sci U S A, 2007
provides evidence for a microtubule-dependent, active axonal kappa opioid receptor mRNA-transport process that involves Copb1 and can stimulate localized translation
Myofilament anchoring of protein kinase C-epsilon in cardiac myocytes.
Walker et al., Boca Raton, United States. In J Cell Sci, 2004
RACK2 plays a role in epsilon-PKC anchoring in cardiac myofilaments.
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