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Protein Engineering: Procedures by which protein structure and function are changed or created in vitro by altering existing or synthesizing new structural genes that direct the synthesis of proteins with sought-after properties. Such procedures may include the design of Molecular models of proteins using Computer graphics or other molecular modeling techniques; site-specific mutagenesis (Mutagenesis, Site-specific) of existing genes; and Directed molecular evolution techniques to create new genes.

Engineering 'Golden' Fluorescence by Selective Pressure Incorporation of Non-canonical Amino Acids and Protein Analysis by Mass Spectrometry and Fluorescence

1Institute of Chemistry L 1, Department of Biocatalysis, Technical University of Berlin, 2Institute of Chemistry PC 14, Department of Bioenergetics, Technical University of Berlin, 3Institute of Chemistry TC 7, Department of Physical Chemistry/Molecular Material Sciences, Technical University of Berlin

JoVE 57017

 Bioengineering

Enzyme Activity- Concept

JoVE 10585

Biological Catalysts

All living organisms continuously perform numerous biochemical reactions to sustain their presence. Most of these reactions require an input of energy to start, which is called the activation energy. Catalysts are chemicals that lower the activation energy. Even though catalysts facilitate a chemical reaction, they are not consumed by it. This means a catalyst …

 Lab Bio

Enzyme Activity - Prep Student

JoVE 10584

Investigating the Effect of pH and Temperature on Peroxidase Activity
To make the extraction buffer for the peroxidase enzyme, mix equal volumes of 0.1 M sodium phosphate monobasic and 0.1 molar sodium phosphate dibasic solutions to achieve a final volume of 500 mL.
Test the resulting solution using a pH meter. The mixture should be between a pH…

 Lab Bio

Light-mediated Reversible Modulation of the Mitogen-activated Protein Kinase Pathway during Cell Differentiation and Xenopus Embryonic Development

1Department of Biochemistry, University of Illinois at Urbana-Champaign, 2Department of Comparative Biosciences, University of Illinois at Urbana-Champaign, 3Neuroscience Program, University of Illinois at Urbana-Champaign, 4Center for Biophysics and Quantitative Biology, University of Illinois at Urbana-Champaign

JoVE 55823

 Developmental Biology

Antimicrobial Peptides Produced by Selective Pressure Incorporation of Non-canonical Amino Acids

1Department of Biocatalysis, Institute of Chemistry, Technische Universität Berlin, 2Department of Bioenergetics, Institute of Chemistry, Technische Universität Berlin, 3Molecular Genetics Group, Groningen Biomolecular Sciences and Biotechnology Institute, Department of Molecular Genetics, University of Groningen

JoVE 57551

 Bioengineering

Novel Atomic Force Microscopy Based Biopanning for Isolation of Morphology Specific Reagents against TDP-43 Variants in Amyotrophic Lateral Sclerosis

1School for Engineering of Matter, Transport and Energy, Arizona State University, 2Department of Neurology, Georgetown University Medical Center, 3Department of Pathology, Georgetown University Medical Center

JoVE 52584

 Bioengineering

Scalable High Throughput Selection From Phage-displayed Synthetic Antibody Libraries

1The Recombinant Antibody Network, 2The Banting and Best Department of Medical Research, University of Toronto, 3Antibiome Center, University of California, San Francisco at Mission Bay, 4Department of Biochemistry and Molecular Biology, The University of Chicago

JoVE 51492

 Immunology and Infection

Synthesis and Bioconjugation of Thiol-Reactive Reagents for the Creation of Site-Selectively Modified Immunoconjugates

1Department of Chemistry, Hunter College of the City University of New York, 2Ph.D. Program in Chemistry, Graduate Center of the City University of New York, 3Department of Radiology, Memorial Sloan Kettering Cancer Center, 4Department of Radiology, Weill Cornell Medical College

JoVE 59063

 Chemistry

Identification of Homologous Recombination Events in Mouse Embryonic Stem Cells Using Southern Blotting and Polymerase Chain Reaction

1Lab of Animal Models and Functional Genomics (LAMFG), The Key Laboratory of Animal Vaccine & Protein Engineering, College of Veterinary Medicine, Hunan Agricultural University (HUNAU), 2Department of Pathology, Georgetown University Medical School, 3College of Food Science and Technology, Hunan Agricultural University (HUNAU), 4Lab of Molecular Cardiology (LMC), National Heart, Lung, and Blood Institute (NHLBI)/National Institutes of Health (NIH), 5Transgenic Core, National Heart, Lung, and Blood Institute (NHLBI)/National Institutes of Health (NIH)

JoVE 58467

 Genetics

Crystal Structure of the N-terminal Domain of Ryanodine Receptor from Plutella xylostella

1Tianjin Key Laboratory for Modern Drug Delivery & High-Efficiency, Collaborative Innovation Center of Chemical Science and Engineering, School of Pharmaceutical Science and Technology, Tianjin University, 2State Key Laboratory of Ecological Pest Control for Fujian/Taiwan Crops and Institute of Applied Ecology, Fujian Agriculture and Forestry University, 3Joint International Research Laboratory of Ecological Pest Control, Ministry of Education, Fuzhou, 4Fujian-Taiwan Joint Centre for Ecological Control of Crop Pests, Fujian Agriculture and Forestry University

JoVE 58568

 Biochemistry

The Use of a β-lactamase-based Conductimetric Biosensor Assay to Detect Biomolecular Interactions

1Life Science Department, University of Liège, 2Institute of Condensed Matter and Nanoscience, Catholic University of Louvain, 3Laboratory of Clinical Microbiology, Catholic University of Louvain, 4Biotechnology Department, CER Group

JoVE 55414

 Bioengineering

Using X-ray Crystallography, Biophysics, and Functional Assays to Determine the Mechanisms Governing T-cell Receptor Recognition of Cancer Antigens

1Division of Infection and Immunity and Systems Immunity Research Institute, Cardiff University, 2Department of Oncology, University Hospital of Lausanne (CHUV), 3Ludwig Insitutue for Cancer Research, Lausanne Branch, University of Lausanne

JoVE 54991

 Immunology and Infection

Escherichia coli-Based Cell-Free Protein Synthesis: Protocols for a robust, flexible, and accessible platform technology

1Department of Biological Sciences, California Polytechnic State University, San Luis Obispo, 2Center for Applications in Biotechnology, California Polytechnic State University, San Luis Obispo, 3Department of Chemistry and Biochemistry, California Polytechnic State University, 4Department of Chemical and Biological Engineering, Northwestern University, 5Chemistry of Life Processes Institute, Northwestern University, 6Center for Synthetic Biology, Northwestern University, 7Interdisciplinary Biological Sciences Program, Northwestern University

JoVE 58882

 Chemistry

Determining the Ice-binding Planes of Antifreeze Proteins by Fluorescence-based Ice Plane Affinity

1Department of Biomedical and Molecular Sciences, Queen's University, 2National Institute of Neurological Disorders and Stroke, Porter Neuroscience Research Center, 3Research Institute of Genome-Based Biofactory, National Institute of Advanced Industrial Science and Technology, 4The Robert H. Smith Faculty of Agriculture, Food and Environment, Institute of Biochemistry, Food Science, and Nutrition, The Hebrew University of Jerusalem

JoVE 51185

 Chemistry
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