'Alpha helix' diaporamas de présentation

Chapter 3 Proteins:

Chapter 3 Proteins: . Shape, Structure, and Function. Proteins Execute Cell Functions. Enzymes Channels and pumps Signal Molecules Messengers Molecular Machines Structural Support Cell Recognition. Protein Shape and Structure. Peptide Bond Links Amino Acids into Polypeptide Chain.

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Chapter 4

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Macromolecules 3: Proteins

Macromolecules 3: Proteins. Additional Resources (1). The Tree of Life , proteins and DNA module. Additional Resources (2). Protein structure and conformation links Molecular Workbench DNA and protein module Summary of protein confirmation Protein movie.

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Protein Secondary Structures

Assignment and prediction. Protein Secondary Structures. Pernille Andersen 23.04.2007. Outline. What is protein secondary structure How can it be used? Different prediction methods Alignment to homologues Propensity methods Neural networks Evaluation of prediction methods

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7.5 Proteins

7.5 Proteins. The 20 different amino acids. 7.5.1: Explain the four levels of protein structure, indicating the significance of each level. Peptide bonds link the amino acids together . Polypeptide with five amino acids. . 7.5.1: Primary structure. Sequence of amino acids.

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The worm turns: The helix-coil transition on the worm-like chain

UCLA Department of Biomathematics February 2006. The worm turns: The helix-coil transition on the worm-like chain. Alex J. Levine UCLA, Department of Chemistry & Biochemistry. References and collaborators.

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Evolving Models of Biological Sequence Similarity

Evolving Models of Biological Sequence Similarity. Daniel P. Miranker The University of Texas at Austin. [Chenetal98]. Polymer: a molecule composed of a linear sequence of smaller molecules (monomers). Polymers. Start with monomers Nucleic acids DNA RNA Amino acids Proteins Peptides

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Proteins Structures

Proteins Structures. Primary Structure . Proteins. Primary Structure . Proteins. Sequence of Amino Acids . Proteins. Primary Structure . Proteins. Secondary Structure - Alpha Helix. Secondary Structure of Proteins. Alpha Helix - hydrogen bonds between amide groups.

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Proteins

Proteins . Proteins. Multipurpose molecules. Types of questions.

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Specific Defenses of the Host Part 2

Specific Defenses of the Host Part 2. (acquired or adaptive immunity). Mechanisms of the Immune Response, continued. The MHC This is a region of highly polymorphic genes found, in humans, on chromosome 6.

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Structure and Function of Macromolecules

Structure and Function of Macromolecules. What is a Macromolecule?. Organic molecules that weigh more than 100,000 daltons are referred to as macromolecules.

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Algorithms for Molecular Biology

Algorithms for Molecular Biology. CSCI 4314-001 Elizabeth White elizabeth.white@colorado.edu. DNA, RNA are similar. Image from http://en.wikipedia.org/wiki/RNA_world_hypothesis. 4 kinds of RNA in the cell. Messenger RNA (mRNA) Always ends up being translated into protein

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ENZYMES

ENZYMES. WHAT IS AN ENZYME. ENZYMES are proteins that act as a biological catalyst CATALYSTS increase the rate of a chemical reaction without being CONSUMED by that reaction. WHAT IS AN ENZYME. REMEMBER our 4 MACROMOLECULES: Carbohydrates Lipids Proteins Nucleic acids

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Protein Secondary Structure Prediction

Protein Secondary Structure Prediction. ?. ?. TDVEAAVNSLVNLYLQASYLS. ?. Protein secondary structure prediction. Input: protein sequence Output: for each residue its associated Secondary structure (SS): alpha-helix, beta-strand, or loop. Servers for SS prediction.

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CHMI 2227E Biochemistry I

CHMI 2227E Biochemistry I. Proteins: Secondary Structure Alpha Helix. Secondary Structure. It is the ordered arrangement or conformation of amino acids in localized regions of a polypeptide or protein molecule; Hydrogen bonding plays an important role in stabilizing these folding patterns;

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Protein Structure and Folding Simulation

Protein Structure and Folding Simulation. Amino Acid Review. All amino acids have a common structure, but differ in their R groups. The asymmetric carbon must have the four attachments in a particular order or isomers will be formed. Primary Structure.

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BIOL 1408 FINAL

BIOL 1408 FINAL. PROTEIN SYNTHESIS. DNA (DEOXYRIBONUCLEIC ACID). DNA is a double-stranded chain of nucleotides. It is arranged in the shape of an alpha helix, the strands are twisted and coiled. NUCLEOTIDE STRUCTURE.

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Haemoglobin

Haemoglobin. By Maja & Jonathan. Protein Functions. Iron-containing oxygen-transporting metallprotein Essential for respiration Located in all red blood cells of vertebrates Around 35% of our blood (including water) Four iron atoms; can bind up to four oxygen molecules

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Dehydration Synthesis (Condensation Reaction)

Dehydration Synthesis (Condensation Reaction). Hydrolysis. Is how larger molecules are . Is how larger molecules are . Removing water Polymers Monomers Adding water Built up Broken down Starch ? glucose+ glucose+ glucose Glucose + fructose ? sucrose. Built Up . Broken Down . by.

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1. Aims of the Project

Sequence State Features. Hydrophobicity Features. Neighboring Features. Basic Amino Acid Features. 88%. 75%. 60%. 27%. Application of Conditional Random Fields In Bioinformatics Wei Liu and Sanjay Chawla School of Information Technologies, the University of Sydney.

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