HLA-DQA1*05:115 shows an alanine at position 59 not described previously.
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Exploring the reaction dynamics of alanine racemase using serial femtosecond crystallography.
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Department of Life Sciences, Pohang University of Science and Technology, Pohang, 37673, Kyungbook, Republic of Korea.
Alanine racemase (Alr) catalyzes the pyridoxal 5'-phosphate (PLP)-dependent racemization between L- and D-alanine in bacteria. Owing to the potential interest in targeting Alr for antibacterial drug development, several studies have determined the structures of Alr from different species, proposing models for the reaction mechanism. Insights into its reaction dynamics may be conducive to a better understanding of the Alr reaction mechanism.
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Department of General Medicine, Saga University Hospital, Saga, Japan.
BACKGROUND Appropriate management of patients who have fallen is crucial for reducing damage and mortality. We report the case of a patient who fell from a seated position, which caused traumatic liver injury, with gastrointestinal symptoms as the primary patient concern. CASE REPORT A woman in her 80s who was living independently fell from a seated position during the daytime.
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Trans Health Research Group, Department of Medicine, University of Melbourne, Parkville, VIC 3052, Australia.
Background: There is interest in repurposing bicalutamide for gender-affirming hormone therapy, but little data regarding efficacy and safety in the transgender population.
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Lacticin 481, a ribosomally synthesized and post-translationally modified peptide (RiPP), exhibits antimicrobial activity, for which its characteristic lanthionine and methyllanthionine ring structures are essential. The post-translational introduction of (methyl)lanthionines in lacticin 481 is catalyzed by the enzyme LctM. In addition to macrocycle formation, various other post-translational modifications can enhance and modulate the chemical and functional diversity of antimicrobial peptides.
View Article and Find Full Text PDFThird intracellular loop of HCMV US28 is necessary for signaling and viral reactivation.
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The human cytomegalovirus (HCMV) encoded chemokine receptor US28 plays a critical role in viral pathogenesis, mediating several processes such as cellular migration, differentiation, transformation, and viral latency and reactivation. Despite significant research examining the signal transduction pathways utilized by US28, the precise mechanism by which US28 activates these pathways remains unclear. We performed a mutational analysis of US28 to identify signaling domains that are critical for functional activities.
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