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Protein Structures

Sep 13, 2014

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Protein Structures. Primary structure Amino acid sequence Edman degradation, MS, deduce from DNA Secondary structure Recurring structural pattern Circular dichroism (CD, 圓二色極化光譜儀 ) Tertiary structure 3D folding of a polypeptide chain X-ray crystallography, NMR Quaternary structure

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Protein Structures

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Higher Order Protein Structures

Higher Order Protein Structures. Lecture 6, Medical Biochemistry. Lecture 6 Outline. Molecular forces involved in protein structure Protein folding Structure and biosynthesis of collagen. Protein Native State and Denaturation. A protein folded into its tertiary

903 views • 27 slides

Protein structures

Protein structures. Haixu Tang School of Inforamtics. A covalent peptide bond . Protein conformation is specified by tts Amino Acid sequence . Steric interactions Weak non-covalent bonds hydrogen bonds ionic bonds van der Waals attractions Hydrophobic interaction

621 views • 24 slides

Protein Secondary Structures

Assignment and prediction. Protein Secondary Structures. Helix. Bend. Turn. Secondary Structure Elements. ß-strand. * H = alpha helix * G = 3 10 - helix * I = 5 helix (pi helix) * E = extended strand, participates in beta ladder * B = residue in isolated beta-bridge

621 views • 45 slides

Visualizing Protein Structures and Structural Bioinformatics

Visualizing Protein Structures and Structural Bioinformatics. Stephen Sontum Middlbury College sontum@middlebury.edu. Chapter 1 &amp; 6: Introduction to Bioinformatics Structural Bioinformatics and Drug Discovery Arthur M. Lesk. Core. Visualizing Protein Structures What we hope to learn.

1.39k views • 84 slides

LbL MEMS and Protein Structures

LbL MEMS and Protein Structures. Annie Cheng Rajesh Kumar Group: 203-2 Sections: 3.10 and 3.11. LbL MEMS. LbL electrostatic self-assembly strategy Multi-layer composition Material of choice was cationic PDAC and anionic clay sheets

385 views • 15 slides

Basic Principles of Protein Structures

Basic Principles of Protein Structures. Proteins. Proteins: The Molecule of Life Proteins: Building Blocks Proteins: Secondary Structures Proteins: Tertiary and Quartenary Structure Proteins: Geometry. Proteins. Proteins: The Molecule of Life Proteins: Building Blocks

1.07k views • 61 slides

Protein Structures: Experiments and Modeling

Protein Structures: Experiments and Modeling. Patrice Koehl. Structural Bioinformatics: Proteins. Proteins: Sources of Structure Information Proteins: Homology Modeling Proteins: Ab initio prediction Proteins: Quality of Structures/Models. Structural Bioinformatics: Proteins.

674 views • 49 slides

Mining Patterns from Protein Structures

Mining Patterns from Protein Structures. Wei Wang University of North Carolina at Chapel Hill. Outline. Introduction Motivation Challenges Graph-based Pattern Discovery in Protein Structures Applications Conclusions Future Directions. Lys. Lys. Gly. Gly. Leu. Val. Ala. His.

622 views • 42 slides

Protein Secondary Structures

Assignment and prediction. Protein Secondary Structures. Pernille Haste Andersen 17.05.2006. 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

642 views • 38 slides

Protein structures in the PDB

Protein structures in the PDB. Domains. proteins can be modular single chain may be divisible into smaller independent units of tertiary structure called domains domains are the basic unit of structure classification

923 views • 24 slides

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

644 views • 38 slides

RNA/Protein Structures

RNA/Protein Structures. RNA structure. Stem-loop structure. RNA structure. A loop structure A loop between i and j when base at i pairs with base at j Base at i+1 pairs with at base j Or base at i pairs with base at j-1 Or a multiple loop. RNA secondary structure.

1.09k views • 84 slides

Lecture 7. Computing Protein Structures

CS882, Fall 2006. Lecture 7. Computing Protein Structures. Current attempts: Threading: RAPTOR Consensus: ACE Fragment assembly Can we compute the protein structures eventually? Your projects. Homologous proteins have similar structure and functions.

662 views • 41 slides

Segmenting Low-resolutional Deforming Protein Structures

Segmenting Low-resolutional Deforming Protein Structures. Yusu Wang 08/22/2005 Joint work with Leo Guibas. Introduction. Molecular structure Crucial in understanding functionality Hard to obtain high-resolution struct. Snapshots Low-resolution structure Cryo-EM :

300 views • 18 slides

Protein Design Based on the Designability of Protein Structures

Protein Design Based on the Designability of Protein Structures. Chen Zeng, PI (GWU) Chao Tang, Co-PI (NEC) Ned Wingreen (Princeton) Naigong Zhang (GWU) Luhua Lai (PKU) NSF Support: DMR-0094176, 0313129. Protein Folds (~1000! Why so small?). Acylphosphatase. Ribosomal protein S6.

354 views • 13 slides

Protein Secondary Structures

Protein Secondary Structures. Assignment and prediction. Use of secondary structure. Classification of protein structures Definition of loops/core Use in fold recognition methods Improvements of alignments Definition of domain boundaries. Secondary Structure Elements.

560 views • 38 slides

CAP5510 – Bioinformatics Protein Structures

CAP5510 – Bioinformatics Protein Structures. Tamer Kahveci CISE Department University of Florida. What and Why?. Proteins fold into a three dimensional shape Structure can reveal functional information that we can not find from sequence Misfolding proteins can cause diseases

767 views • 63 slides

Protein Structures: Experiments and Modeling

516 views • 49 slides

Protein Structures and Methods

Protein Structures and Methods. Andy Howard Introductory Biochemistry 15 September 2014, IIT. Proteins are worth studying. We ’ ll offer an overview of what proteins look like Then we ’ ll perform a quick overview of methods of studying proteins Purification methods Analytical methods

498 views • 47 slides

Protein Structures

Protein Structures. Ramachandran plot. Shows grouping of φψ combinations and relates them to structures in real proteins Repetitive structures (  - helices,  -sheets) are common.  -helix. • 3.6 amino acids per turn • 0.54 nm per turn • side chains pointed out

250 views • 21 slides

Methods for comparing protein structures Protein structural classifications

Comparing and Classifying Domain Structures. Methods for comparing protein structures Protein structural classifications How do structures and functions diverge in protein superfamilies What proportion of genome sequences can be predicted to belong to superfamilies of known structure?.

519 views • 49 slides

Protein structures

Protein structures. Protein Structure. Why protein structure? The basics of protein Basic measurements for protein structure Levels of protein structure Prediction of protein structure from sequence Finding similarities between protein structures Classification of protein structures.

1.48k views • 123 slides

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