[HTML][HTML] Activation of UBC5 ubiquitin-conjugating enzyme by the RING finger of ROC1 and assembly of active ubiquitin ligases by all cullins

M Furukawa, T Ohta, Y Xiong - Journal of Biological Chemistry, 2002 - ASBMB
Protein ubiquitination plays an important role in regulating the abundance and conformation
of a broad range of eukaryotic proteins. This process involves a cascade of enzymes …

Multiple roles of Rbx1 in the VBC‐Cul2 ubiquitin ligase complex

Y Megumi, Y Miyauchi, H Sakurai, H Nobeyama… - Genes to …, 2005 - Wiley Online Library
The importance of the ubiquitin system largely depends on ubiquitin ligases, E3s, as they
determine the specificity of the system. Rbx1/ROC1/Hrt1, a RING finger protein, functions as …

[HTML][HTML] TIP120A associates with unneddylated cullin 1 and regulates its neddylation

JW Hwang, KW Min, T Tamura, JB Yoon - FEBS letters, 2003 - Elsevier
The cullin-containing E3 ubiquitin ligases play an important role in regulating the
abundance of key proteins involved in cellular processes such as cell cycle and cytokine …

[HTML][HTML] Mechanism of cullin3 E3 ubiquitin ligase dimerization

YY Choo, T Hagen - PLoS One, 2012 - journals.plos.org
Cullin E3 ligases are the largest family of ubiquitin ligases with diverse cellular functions.
One of seven cullin proteins serves as a scaffold protein for the assembly of the multisubunit …

The ubiquitin conjugating enzyme, UbcM2, engages in novel interactions with components of cullin-3 based E3 ligases

KS Plafker, JD Singer, SM Plafker - Biochemistry, 2009 - ACS Publications
The class III ubiquitin conjugating enzymes (E2s) are distinguished from other E2s by the
presence of unique N-terminal domains, and the utilization of importin-11 for transport into …

Human Cdc34 employs distinct sites to coordinate attachment of ubiquitin to a substrate and assembly of polyubiquitin chains

S Gazdoiu, K Yamoah, K Wu, ZQ Pan - Molecular and cellular …, 2007 - Taylor & Francis
The Cdc34 E2 ubiquitin (Ub) conjugating enzyme catalyzes polyubiquitination of a substrate
recruited by the Skp1-Cullin 1-F-box protein-ROC1 E3 Ub ligase. Using mutagenesis …

[HTML][HTML] Characterization of Cullin-box sequences that direct recruitment of Cul2-Rbx1 and Cul5-Rbx2 modules to Elongin BC-based ubiquitin ligases

N Mahrour, WB Redwine, L Florens… - Journal of Biological …, 2008 - ASBMB
The Elongin BC-box protein family includes the von Hippel-Lindau tumor suppressor and
suppressor of cytokine signaling proteins, which are substrate recognition subunits of …

[HTML][HTML] TIP120A associates with cullins and modulates ubiquitin ligase activity

KW Min, JW Hwang, JS Lee, Y Park, T Tamura… - Journal of Biological …, 2003 - ASBMB
The cullin-containing ubiquitin-protein isopeptide ligases (E3s) play an important role in
regulating the abundance of key proteins involved in cellular processes such as cell cycle …

The Cullin3 ubiquitin ligase functions as a Nedd8-bound heterodimer

W Wimuttisuk, JD Singer - Molecular biology of the cell, 2007 - Am Soc Cell Biol
Cullins are members of a family of scaffold proteins that assemble multisubunit ubiquitin
ligase complexes to confer substrate specificity for the ubiquitination pathway. Cullin3 (Cul3) …

Characterization of cullin-based E3 ubiquitin ligases in intact mammalian cells—evidence for cullin dimerization

EH Chew, T Poobalasingam, CJ Hawkey, T Hagen - Cellular signalling, 2007 - Elsevier
Cullin-based E3 ligases are a large family of ubiquitin ligases with diverse cellular functions.
They are composed of one of six mammalian cullin homologues, the Ring finger containing …