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Lactisole Interacts with the Transmembrane Domains of Human T1R3 to Inhibit Sweet Taste*
The detection of sweet-tasting compounds is mediated in large part by a heterodimeric receptor comprised of T1R2+T1R3. Lactisole, a broad-acting sweet antagonist, suppresses the sweet taste ofExpand
Identification of the Cyclamate Interaction Site within the Transmembrane Domain of the Human Sweet Taste Receptor Subunit T1R3*[boxs]
The artificial sweetener cyclamate tastes sweet to humans, but not to mice. When expressed in vitro, the human sweet receptor (a heterodimer of two taste receptor subunits: hT1R2 + hT1R3) responds toExpand
A systematic molecular dynamics study of nearest-neighbor effects on base pair and base pair step conformations and fluctuations in B-DNA
It is well recognized that base sequence exerts a significant influence on the properties of DNA and plays a significant role in protein–DNA interactions vital for cellular processes. UnderstandingExpand
Molecular dynamics simulations of the 136 unique tetranucleotide sequences of DNA oligonucleotides. I. Research design and results on d(CpG) steps.
We describe herein a computationally intensive project aimed at carrying out molecular dynamics (MD) simulations including water and counterions on B-DNA oligomers containing all 136 uniqueExpand
Molecular and cellular biology of thyrotropin-releasing hormone receptors.
Thyrotropin-releasing hormone (TRH) receptor (TRH-R) complementary DNAs have been cloned from several species. The deduced amino acid sequences are compatible with TRH-R being aExpand
The heterodimeric sweet taste receptor has multiple potential ligand binding sites.
The sweet taste receptor is a heterodimer of two G protein coupled receptors, T1R2 and T1R3. This discovery has increased our understanding at the molecular level of the mechanisms underlying sweetExpand
Charged Residues at the Intracellular Boundary of Transmembrane Helices 2 and 3 Independently Affect Constitutive Activity of Kaposi's Sarcoma-associated Herpesvirus G Protein-coupled Receptor*
Because charged residues at the intracellular ends of transmembrane helix (TMH) 2 and TMH3 of G protein-coupled receptors (GPCRs) affect signaling, we performed mutational analysis of these residuesExpand
Probing structure and dynamics of DNA with 2-aminopurine: effects of local environment on fluorescence.
2-Aminopurine (2AP) is an analogue of adenine that has been utilized widely as a fluorescence probe of protein-induced local conformational changes in DNA. Within a DNA strand, this fluorophoreExpand
Arginine at position 74 of the HLA-DR β1 chain is associated with Graves' disease
Graves' disease (GD) is associated with HLA-DR3 (DRB1*03) in Caucasians, but the exact amino-acid sequence in the DR β1 chain conferring susceptibility to GD is unknown. Therefore, the aim of ourExpand
Conformation and dynamics of abasic sites in DNA investigated by time-resolved fluorescence of 2-aminopurine.
Abasic sites are highly mutagenic lesions in DNA that arise as intermediates in the excision repair of modified bases. These sites are generated by the action of damage-specific DNA glycosylases andExpand
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