'Quaternary structure' diaporamas de présentation

The Origin and Chemistry of Life

The Origin and Chemistry of Life. Chapter 2. Water and Life. Water makes up a large portion of living organisms. It has several unusual properties that make it essential for life. Hydrogen bonds lie behind these important properties. Water and Life.

1.06k views • 68 slides

The Origin and Chemistry of Life

The Origin and Chemistry of Life. Chapter 2. Water and Life. Water makes up a large portion of living organisms. It has several unusual properties that make it essential for life. Hydrogen bonds lie behind these important properties. Water and Life.

2.08k views • 68 slides

Proteins

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Molecules of Life

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Protein Structure, Classification and Prediction BMI 730

Protein Structure, Classification and Prediction BMI 730 . Victor Jin Department of Biomedical Informatics Ohio State University. Protein Structure Protein Structure Determination Protein Structure Classification SCOP CATH Secondary Structure Predication Tertiary Prediction

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Introduction to Protein Structure

Introduction to Protein Structure. Q: ? Whats that?. A: Something, you get Noble prize for. John Kendrew & Max Perutz 1962 Structures of myoglobin & hemoglobin. Subjects, covered in this lecture. Amino acids and their properties Peptide geometry Secondary structure Motifs Domains

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Protein Function

Protein Function. Globins and Antibodies 3/10/2003. Hemoglobin and Myoglobin. Because of its red color, the red blood pigment has been of interest since antiquity. First protein to be crystallized - 1849. First protein to have its mass accurately measured.

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BMI 731

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Principles of Protein Structure

Principles of Protein Structure. primary structure. ACD EFGH I K LM NPQ RST VW Y. NH 2 Lys ine His tidine Val ine Arg inine Ala nine COOH. Different Levels of Protein Structure. Common Secondary Structure Elements. The Alpha Helix. Properties of alpha helix.

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Lecture 12

Lecture 12. Domains Protein structure. Some common structural motifs of folded proteins. d) The bab motif. Several bab motifs combine to form a superbarrel in the glycolysis enzyme triose phosphate isomerase (TIM barrel) . Quaternary structure. Spatial arrangement of protein subunits.

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Word Roots

Word Roots. carb - = coal ( carboxyl group : a functional group present in organic acids, consisting of a carbon atom double-bonded to an oxygen atom) di - = two ( disaccharide : two monosaccharides joined together )

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Protein Structure Prediction

Protein Structure Prediction. Charles Yan. Different Levels of Protein Structures. The primary structure is the sequence of residues in the polypeptide chain. Secondary structure is a local regularly occurring structure in proteins . Alpha helices B eta sheets Loops (Coils, Turns).

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Chapt. 6-7 Amino Acids and Proteins

Chapt. 6-7 Amino Acids and Proteins. Chapts. 6-7 Amino Acids, Proteins Student Learning Outcomes : Explain basic structure of amino acids, and classification by side chain Explain the structure of peptide bond Describe the different levels of structure of proteins

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Lecture 4: Amino Acids

Lecture 4: Amino Acids. For the quiz on Wed. (9/7)- ?? NH 3 + ~ 9.0, ? -COO - ~ 2.0, you must know pKs of side chain groups! Introduction to amino acid structure (continued) Amino acid chemistry. Diastereomers.

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CLINICAL ASPECTS OF BIOCHEMISTRY PROTEINS AND DISEASE HAEMOGLOBIN AND HAPTOGLOBIN

CLINICAL ASPECTS OF BIOCHEMISTRY PROTEINS AND DISEASE HAEMOGLOBIN AND HAPTOGLOBIN. Haemoglobin - revision Haemoglobin variants - haemoglobinopathies Haemoglobin S Thalassaemia Haptoglobins. HAEMOGLOBIN - REVISION.

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Biological Macromolecules

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Modeling Biomolecules Using the WWW

Modeling Biomolecules Using the WWW. Major Classes of Biomolecules. Peptides (Proteins) Carbohydrates Nucleic Acids Lipids. Modeling Peptides. Primary structure

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Haemoglobin

Haemoglobin. Basic Knowledge:. Haemoglobin is an iron protein - compound in red blood cells that transports oxygen, carbon dioxide, and nitric oxide. It carries oxygen to body cells. After releasing oxygen to the body tissues, haemoglobin picks up carbon dioxide and transports it to the lungs.

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Enzyme Inhibition

Enzyme Inhibition. Inhibition:. Certain chemicals prevent enzymes from working. Role of Bond Strength. Strong Bond :Irreversible Inhibition Weak Bond: Reversible. Competitive: Works on active site. Non-competitive: Influences enzyme away from active site. Types of Inhibition.

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Chapter 16 Polymeric Materials

Chapter 16 Polymeric Materials. Monomers and Polymers Linear and Branched Polymers Types of Polymerization Addition Polymerization Condensation Polymers Extensively Cross-Linked Polymers (SKIP) Three-Dimensional Structure Polymers ( SKIP p. 813-818 top ). Chapter 16 Polymeric Materials.

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