Results 51 to 60 of about 159,872 (312)

TRIM56 coiled-coil domain structure provides insights into its E3 ligase functions

Computational and Structural Biotechnology Journal, 2023
Protein ubiquitination is a post-translation modification mediated by E3 ubiquitin ligases. The RING domain E3 ligases are the largest family of E3 ubiquitin ligases, they act as a scaffold, bringing the E2-ubiquitin complex and its substrate together to
Xiaohua Lou, Binbin Ma, Yuan Zhuang, Xiang Xiao, Laurie J. Minze, Junji Xing, Zhiqiang Zhang, Xian C. Li   +7 more
doaj   +1 more source

MAGE-A cancer/testis antigens inhibit MDM2 ubiquitylation function and promote increased levels of MDM4 [PDF]

, 2015
Melanoma antigen A (MAGE-A) proteins comprise a structurally and biochemically similar sub-family of Cancer/Testis antigens that are expressed in many cancer types and are thought to contribute actively to malignancy.
Susan E. Bray (264528), Thompson, Alastair M., Hourihan John, Quinlan Philip R., Philip R. Quinlan (743773), Thompson Alastair M., Meek, David W., Alastair M. Thompson (743775), Meek, David W, Marcar Lynnette, Lee B. Jordan (743774), Ihrig Bianca, David W Meek, Ted R. Hupp (141798), Hupp Ted R., Ihrig, Bianca, Hourihan, John, Meek David W., Bray Susan E., Thompson, Alastair M, Quinlan, Philip R., Susan E Bray, Lynnette Marcar (743770), Hupp, Ted R., John Hourihan, Philip R Quinlan, Jordan, Lee B., Bray, Susan E, Ted R Hupp, Lynnette Marcar, Quinlan, Philip R, David W. Meek (743776), Jordan Lee B., Alastair M Thompson, Marcar, Lynnette, Bianca Ihrig, John Hourihan (743772), Hupp, Ted R, Bray, Susan E., Lee B Jordan, Bianca Ihrig (743771), Jordan, Lee B   +41 more
core   +1 more source

Ubiquitin Ligation without a Ligase [PDF]

Developmental Cell, 2007
Classically, ubiquitination requires three enzymes acting in sequence: E1, E2, and E3. E3 ubiquitin ligases typically provide substrate specificity. An article in Molecular Cell (Hoeller et al., 2007) now describes the E3-independent monoubiquitination of certain proteins. The mechanism has interesting parallels to SUMO ligation.
openaire   +2 more sources

A Key Role for the Ubiquitin Ligase UBR4 in Myofiber Hypertrophy in Drosophila and Mice

Cell Reports, 2019
Summary: Skeletal muscle cell (myofiber) atrophy is a detrimental component of aging and cancer that primarily results from muscle protein degradation via the proteasome and ubiquitin ligases.
Liam C. Hunt, Jared Stover, Benard Haugen, Timothy I. Shaw, Yuxin Li, Vishwajeeth R. Pagala, David Finkelstein, Elisabeth R. Barton, Yiping Fan, Myriam Labelle, Junmin Peng, Fabio Demontis   +11 more
doaj   +1 more source

Phosphatidylinositol 4‐kinase as a target of pathogens—friend or foe?

FEBS Letters, EarlyView.
This graphical summary illustrates the roles of phosphatidylinositol 4‐kinases (PI4Ks). PI4Ks regulate key cellular processes and can be hijacked by pathogens, such as viruses, bacteria and parasites, to support their intracellular replication. Their dual role as essential host enzymes and pathogen cofactors makes them promising drug targets.
Ana C. Mendes, Guilherme M. Azevedo, Amanda P. Barcellos, Diana Bahia   +3 more
wiley   +1 more source

Control of the SCFSkp2–Cks1 ubiquitin ligase by the APC/CCdh1 ubiquitin ligase

Nature, 2004
Skp2 and its cofactor Cks1 are the substrate-targeting subunits of the SCF(Skp2-Cks1) (Skp1/Cul1/F-box protein) ubiquitin ligase complex that regulates entry into S phase by inducing the degradation of the cyclin-dependent kinase inhibitors p21 and p27 (ref. 1). Skp2 is an oncoprotein that often shows increased expression in human cancers; however, the
Bashir, Tarig, Dorrello, N. Valerio, Amador, Virginia, Guardavaccaro, Daniele, Pagano, Michele   +4 more
openaire   +2 more sources

RNF12 X-Linked Intellectual Disability Mutations Disrupt E3 Ligase Activity and Neural Differentiation

Cell Reports, 2018
Summary: X-linked intellectual disability (XLID) is a heterogeneous syndrome affecting mainly males. Human genetics has identified >100 XLID genes, although the molecular and developmental mechanisms underpinning this disorder remain unclear.
Francisco Bustos, Anna Segarra-Fas, Viduth K. Chaugule, Lennart Brandenburg, Emma Branigan, Rachel Toth, Thomas Macartney, Axel Knebel, Ronald T. Hay, Helen Walden, Greg M. Findlay   +10 more
doaj   +1 more source

Protein pyrophosphorylation by inositol pyrophosphates — detection, function, and regulation

FEBS Letters, EarlyView.
Protein pyrophosphorylation is an unusual signaling mechanism that was discovered two decades ago. It can be driven by inositol pyrophosphate messengers and influences various cellular processes. Herein, we summarize the research progress and challenges of this field, covering pathways found to be regulated by this posttranslational modification as ...
Sarah Lampe, Tanmay Kumar Mohanty, Rashna Bhandari, Dorothea Fiedler   +3 more
wiley   +1 more source

Erioflorin stabilizes the tumor suppressor Pdcd4 by inhibiting its interaction with the E3-ligase β-TrCP1

, 2012
Loss of the tumor suppressor Pdcd4 was reported for various tumor entities and proposed as a prognostic marker in tumorigenesis. We previously characterized decreased Pdcd4 protein stability in response to mitogenic stimuli, which resulted from p70S6K1 ...
Bernhard Brüne, Milke, Larissa, Kathrin Schulz, Larissa Milke, Heidi R Bokesch, Schulz, Kathrin, Colburn, Nancy H., Blees, Johanna, Schmid, Tobias, Curtis J. Henrich (131182), Tobias Schmid, Kathrin Schulz (131170), Magdalena M. Bajer (131176), Heidi R. Bokesch (131163), Bajer, Magdalena M., Daniela Rübsamen (131166), Johanna S Blees, Henrich, Curtis J., Nancy H. Colburn (131186), James B McMahon, Magdalena M Bajer, James B. McMahon (7677), McMahon, James B., Daniela Rübsamen, Kirk R. Gustafson (131179), Tobias Schmid (131190), Nancy H Colburn, Brüne, Bernhard, Kirk R Gustafson, Rübsamen, Daniela, Bernhard Brüne (131193), Curtis J Henrich, Bokesch, Heidi R., Gustafson, Kirk R., Larissa Milke (131173), Johanna S. Blees (131161)   +35 more
core   +1 more source

Hyperosmotic stress induces PARP1‐mediated HPF1‐dependent mono(ADP‐ribosyl)ation

FEBS Letters, EarlyView.
Sorbitol‐induced hyperosmotic stress rapidly induces reversible mono(ADP‐ribosyl)ation (MARylation) on PARP1 without the signs of genotoxic signaling. We show that PARP1 autoMARylation is HPF1 dependent and forms hydroxylamine‐resistant O‐glycosidic linkages.
Anna Georgina Kopasz, Mihály Mérey, Rebeka Vásárhelyi, Ramóna Pék, Victor Imburchia, László Henn, Adrián Kószó, Nicholas D. Lakin, Ivan Ahel, Sébastien Huet, Ágnes Czibula, Gyula Timinszky   +11 more
wiley   +1 more source