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Because life has more than 2D, Proteopedia helps to understand relationships between structure and function. Proteopedia is a free, collaborative 3D-encyclopedia of proteins & other molecules. ISSN 2310-6301
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Mutations in Coronavirus Spike Protein by Eric Martz Black spots are mutations of concern in SARS-CoV-2 spike protein reported by UK scientists in December, 2020. RNA viruses mutate quickly so mutations are expected. These mutations may speed up contagion, but are unlikely to cause more severe COVID-19 and unlikely to reduce vaccine effectiveness. ACE2 binding residues. Animation shows priming via cleavage by furin. >>> Visit this page >>>	Molecular Sculpture by Eric Martz A historical review on sculptures and physical models of macromolecules. >>> Visit this page >>>	Interconversion of the specificities of human lysosomal enzymes associated with Fabry and Schindler diseases. IB Tomasic, MC Metcalf, AI Guce, NE Clark, SC Garman. J. Biol. Chem. 2010 doi: 10.1074/jbc.M110.118588 The human lysosomal enzymes α-galactosidase and α-N-acetylgalactosaminidase share 46% amino acid sequence identity and have similar folds. Using a rational protein engineering approach, we interconverted the enzymatic specificity of α-GAL and α-NAGAL. The engineered α-GAL retains the antigenicity but has acquired the enzymatic specificity of α-NAGAL. Conversely, the engineered α-NAGAL retains the antigenicity but has acquired the enzymatic specificity of the α-GAL enzyme. Comparison of the crystal structures of the designed enzyme to the wild-type enzymes shows that active sites superimpose well, indicating success of the rational design. The designed enzymes might be useful as non-immunogenic alternatives in enzyme replacement therapy for treatment of lysosomal storage disorders such as Fabry disease. >>> Visit this I3DC complement >>>	2025 Nobel Prize by Wayne Decatur The 2025 Nobel Prize in Chemistry was awarded for studies of metal-organic frameworks. Against expectations, the building blocks of metal-organic frameworks turned out to form networks with large cavities and the materials have a wide range of far-reaching practical applications. >>> Visit this page >>>
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Jaime Prilusky, Joel L. Sussman, Angel Herraez