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A candidate oncogene GIG47, previously known as a neudesin with a neurotrophic activity, was identified by applying the differential expression analysis method. As a first step to understand the molecular role of GIG47, we analyzed the expression profile of GIG47 in multiple human cancers including the breast cancer and characterized its function related to… (More)
Extracellular deposition of amyloid-beta (Aβ) protein, a fragment of membrane glycoprotein called β-amyloid precursor transmembrane protein (βAPP), is the major characteristic for the Alzheimer's disease (AD). However, the structural and mechanistic information of forming Aβ protein aggregates in a lag phase in cell exterior has been still limited. Here, we… (More)
Nicotinic acetylcholine receptors (nAChRs) are a diverse family of homo- or heteropentameric ligand-gated ion channels. Understanding the physiological role of each nAChR subtype and the key residues responsible for normal and pathological states is important. α-Conotoxin neuropeptides are highly selective probes capable of discriminating different subtypes… (More)
The eIF4E-binding protein 1 (4EBP1) has long been known to be completely unstructured without any secondary structures, which contributed significantly to the proposal of the induced fit mechanism for target binding of intrinsically disordered proteins. We show here that 4EBP1 is not completely unstructured, but contains a pre-structured helix.
Wide-line 1H NMR intensity and differential scanning calorimetry measurements were carried out on the intrinsically disordered 73-residue full transactivation domain (TAD) of the p53 tumor suppressor protein and two peptides: one a wild type p53 TAD peptide with a helix pre-structuring property, and a mutant peptide with a disabled helix-forming propensity.… (More)
Human papillomavirus (HPV) is the major cause of cervical cancer, a deadly threat to millions of females. The early oncogene product (E7) of the high-risk HPV16 is the primary agent associated with HPV-related cervical cancers. In order to understand how E7 contributes to the transforming activity, we investigated the structural features of the flexible… (More)