• During the past decade it became

  2020-12-21

  

  During the past decade, it became increasingly clear that the affinity and efficacy of small agonists acting on the orthosteric binding site of a GPCR can be modulated by ligands that bind to a topographically distinct (allosteric) binding site on the same GPCR molecule 33, 39, 40, 41, 42. This allo

• Estrogen related receptors ERRs are orphan nuclear receptors

  2020-12-21

  

  Estrogen-related receptors (ERRs) are orphan nuclear receptors and have three members including ERRα, ERRβ, and ERRγ (Yasumoto et al., 2007). Though they are termed as ERRs due to the sequence homology with estrogen receptors, they don’t need to bind estrogens to exert action. Generally, ERRs bind t

• MAPKs are a family of

  2020-12-18

  

  MAPKs are a family of phosphorylating enzymes that orchestrate various cellular response in proliferation, apoptosis, inflammation, stress response, and energy metabolism [11]. There are at least four major members including extracellular signal-regulated kinase 1 and 2 (ERK1/2), p38 mitogen-activat

• Finally it is possible that also

  2020-12-18

  

  Finally, it is possible that also species differences (rat primary preadipocytes vs mouse 3T3-L1 cells) could contribute to these discrepancies. A recent study suggested that 3T3-L1 verapamil hydrochloride receptor may contain adipocyte precursors with multiple cell lineage characteristics which may

• br Structure and function of EPAC

  2020-12-18

  

  Structure and function of EPAC isoforms EPACs are guanine nucleotide exchange factors (GEFs) for the Ras-like GTPases Rap1 and Rap2 [9]. There are two mammalian EPAC isoforms, EPAC1 and EPAC2 1, 2 (Figure 1). Whereas EPAC1 displays a wide tissue distribution, the expression of EPAC2 is more restr

• br Enzyme catalysis A biochemically spontaneous process proc

  2020-12-18

  

  Enzyme catalysis A biochemically spontaneous process proceeds in a direction where free SB742457 of the system decreases. However, every spontaneous or energetically favorable reaction needs to overcome an energy barrier known as the activation energy barrier because of the formation of an unsta

• Our results demonstrated that ET a Wnt ligand

  2020-12-18

  

  Our results demonstrated that ET-1, a Wnt ligand, stimulated the Wnt/β-catenin signaling pathway. First, ET-1/ETRA binds to Frizzled family cell-surface receptors, resulting in the activation of Dvl1, a Dishevelled (DSH) family protein. Next, activated DSH inhibits the Axin, GSK-3β, and APC protein

• br Conflict of interest statement br Introduction Endothelin

  2020-12-18

  

  Conflict of interest statement Introduction Endothelins (ETs) are a family of multifunctional, naturally occurring peptides with long-lasting vasoconstrictor and pressor effects (Zhou et al., 2004). They are synthesized as a large protein, the pre-proET-1 or Big ET-1, which is subsequently cle

• The activity of cysteine endopeptidases involved in the germ

  2020-12-18

  

  The activity of cysteine endopeptidases involved in the germination of caryopses is generally regulated at two levels: the hormonal induction of synthesis by gibberellins (Drzymała et al., 2008) and a putative regulation of activity by phytocystatines (Kiyosaki et al., 2007, Martinez et al., 2009),

• 4-Aminobutyric acid sale Taken together these assays demonst

  2020-12-18

  

  Taken together, these assays demonstrate that SUMOD positioning is essential for all E3 ligases but dispensable for E2 and S*E2 sumoylation reactions. Thus, we propose SUMOD positioning as a key criterion to describe the enzymatic function of SUMO E3 ligases that distinguishes them from other enhanc

• In humans several different small ubiquitin related

  2020-12-18

  

  In humans, several different small ubiquitin-related modifier (SUMO) paralogs can be conjugated to cellular proteins. The human genome codes for five SUMO paralogs (SUMO1–5); of these, SUMO1 and the almost identical SUMO2 and SUMO3 are ubiquitously expressed. Sumoylation is executed by an enzymatic

• Most enzymes involved in the addition and

  2020-12-18

  

  Most bapta am involved in the addition and removal of ubiquitin bind weakly to an overlapping surface on ubiquitin. Previously, Sidhu and colleagues diversified this surface and then used phage display to screen these libraries of ubiquitin variants (UbVs) for binding to DUBs and E3 ligases (Ernst e

• Several limitations of this study need

  2020-12-18

  

  Several limitations of this study need to be acknowledged. First, although 200 patients were recruited into this study and completed assessments at baseline, only 89 patients completed the cognitive tests after 8weeks of treatment. The relatively long study period (8weeks) was the main reason for th

• br Materials and methods br

  2020-12-18

  

  Materials and methods Results Because of the specific binding of DGKε to an arachidonoyl group, there was a particular interest to evaluate the behavior of 2-AG with this isoform of DGK. The substrate specificity and kinetic constants for DGKε has been recently reported [13]. Using the preferr

• In neurodegenerative disorders neurons are excited by

  2020-12-18

  

  In neurodegenerative disorders neurons are excited by enormous ionic flow which induces mitochondrial dysfunction and apoptosis. Glutamate as the main excitatory neurotransmitter, is released excessively in these diseases. Glutamate acts through N-methyl-d-aspartate (NMDA) receptor and α-amino-3-hyd

16176 records 732/1079 page Previous Next First page 上5页 731732733734735 下5页 Last page