Conserved oligomeric Golgi complex 4 (COG4) is a member of the conserved oligomeric Golgi (COG) complex. COG complex is an evolutionarily conserved multi-subunit protein complex. COG4 gene is mapped on the human chromosome at 16q22.1.
Specificity
Anti-COG4 recognizes human and hamster COG4.
Immunogen
peptide corresponding to the C-terminal region of human COG4, conjugated to KLH. The corresponding sequence is identical in bovine, dog and monkey, and differs by one amino acid in rat and mouse COG4.
Application
Anti-COG4 (C-terminal) antibody produced in rabbit may be used in immunoblotting and immunofluorescence.
Biochem/physiol Actions
Conserved oligomeric Golgi complex 4 (COG4) is needed for normal Golgi function. It is implicated in Golgi soluble N-ethylmaleimide-sensitive factor attachment protein receptor (SNARE) pairing and Golgi-to-endoplasmic reticulum (ER) retrograde transport via its interaction with the Sec1/Munc18 (SM) protein Sly1. Defects in the COG4 gene may be a cause of congenital disorder of glycosylation type II (CDG2).
Physical form
Solution in 0.01 M phosphate buffered saline pH 7.4, containing 15 mM sodium azide.
Storage and Stability
For continuous use, store at 2-8 °C for up to one month. For extended storage freeze in working aliquots. Repeated freezing and thawing is not recommended. If slight turbidity occurs upon prolonged storage, clarify the solution by centrifugation before use. Working dilution samples should be discarded if not used within 12 hours.
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Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
Structural basis for a human glycosylation disorder caused by mutation of the COG4 gene
Richardson B C, et al.
Proceedings of the National Academy of Sciences, 106(32), 13329-13334 (2009)
Expression of genes that control core fucosylation in hepatocellular carcinoma: Systematic review
Norton P A and Mehta A S
World Journal of Gastroenterology, 25(23), 2947-2947 (2019)
Direct interaction between the COG complex and the SM protein, Sly1, is required for Golgi SNARE pairing
Laufman O, et al.
The Embo Journal, 28(14), 2006-2017 (2009)
Comparative analyses of the Conserved Oligomeric Golgi (COG) complex in vertebrates
Quental R, et al.
BMC Evolutionary Biology, 10(1), 212-212 (2010)
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