BCH 6740: Structural Biochemistry (formerly Advanced Physical Biochemistry) (3-hour course). Provide an introduction to 1) biological macromolecular structures (protein and nucleic acids), 2) biophysical techniques (NMR, X-ray, Cyro-EM, CD, etc), and 3) kinetics and thermodynamics of molecular motion and interactions. The course objective is to provide the students with a background in biological structure and introduce the methods of structural biology. This course will be a prerequisite for the following more advanced courses.
Part A: Macromolecular Structure
1. Peptide Bonds - Dimensions and
isomerism
2. Dihedral Angles - Secondary
Structure
3. Tertiary Structure
4. Structural Motifs
5. Prediction of Structure - Secondary
and Tertiary
6. SYBYL – Computer lab experience
7. RNase-Experimental and Theoretical
Folding
8. Chaperones and Chaperonins
9. Protein Design and Engineering
10. Supramolecular Structure: Membranes, Channels
and Membrane-Associated Proteins
11. Supramolecular Structure: Nucleic Acid
Structure
12. Supramolecular Structure: Ribosomes
13. Supramolecular Structure: Chromatin and
Ribonucleoprotein Particles
14. Supramolecular Structure: Cytoskeletal
Fibers
15. Supramolecular Structure: Viruses
Part B: Biophysical Techniques
16. X-Ray Crystallography – Principles and
experimental design
17. X-Ray Crystallography - Active Sites
18. Cryo-EM – Principles and experimental
design
19. Cryo-EM – Structure analysis
20. NMR – Principles and multidimensional
Spectroscopy
21. NMR – Nuclear Overhauser Effects and Structure
Analysis
22. Absorption Spectroscopy Ultraviolet/Visible/Infrared;
Beer-Lambert Law; Molar Absorptivity; Solvent Effects;
Difference Spectroscopy)
23. Circular Dichroism
24. Fluorescence (Basic Phenomena; Born-Oppenheimer
Approximation; Franck-Condon Principle; Prompt versus
Delayed Emission; Anisotropy; Lifetimes (including Rotation Diffusion);
Recovery after Photo-bleaching; Caged
Fluorophores; etc.)
25. Fluorescence
26. Light Scattering
27. Viscosity
28. Molecular Diffusion
29. Ultracentrifugation (Isopycnic Centrifugation;
Sedimentation Velocity; Sedimentation Equilibrium
30. Ultracentrifugation
Part C: Kinetics & Thermodynamics
31. Chemical Kinetics (Time-Scales of Chemical
Processes; Basic Definitions, including Reaction Rate, Reaction Order,
Molecularity, Rate constant, Diffusion-Limited Process, etc.; First-Order
Processes; Biomolecular Reactions;
Relaxation Methods; Stopped-Flow and Mix-Quench Methods)
32. Chemical Kinetics
33. Chemical Kinetics
34. Model Testing (Simulation & Data Analysis)
35. Equilibrium Processes (Ligand Binding;
Scatchard Analysis; Hill Equation for Infinite Cooperativity;
Adair-Koshland-Nemethy-Filmer Treatment; Monod-Wyman-Changeux Model)
36. Equilibrium Processes
37. Equilibrium Processes
38. Basic Enzyme Kinetics (Rapid Equilibrium
and Steady-State Models for Enzyme-Catalyzed Processes; Equilibrium
Exchange Behavior; Kinetic Isotope Effects)
39. Basic Enzyme Kinetics
40. Basic Enzyme Kinetics
41. Pulse-Chase Kinetics
42. Kinetics of Protein Polymerization
43. Kinetics of Ion Channels
44. Kinetics of Protein-Nucleic Acid Interaction
45. Kinetics of Protein-Nucleic Acid Interaction
BCH 67aa: Molecular Structure Determination (3- or 4-hour course). Provide a detailed treatment of current methods (NMR spectroscopy and X-ray crystallography) for protein structure determination and for the study of protein interactions. Half the lectures will discuss NMR and other half X-ray methods. In addition, students will have a lab for each section to provide practical experience in sample preparation, operation of the instrumentation, and preliminary data analysis. Students may attend one or both laboratory classes. Course credit will be 3 hours with 1 lab and 4 hours for both labs). The course objective is to provide the students with the knowledge necessary to apply modern methods of structure determination to solve research problems
X-ray Crystallography: A Practical and Theoretic Approach. The course is divided into two parts (theoretical and practical components) that will run concurrently. The students will learn the theory behind the technique of X-ray crystallography and will apply the knowledge obtained to the structure determination of a macromolecule. This hands-on approach will reinforce the applicability of this methodology in the analysis of the functional properties of a biological molecule.
Lectures (1-hour class): Theory
1. General Overview
2. Protein Purification
3. Crystallization
4. Specimen preparation
5. Diffraction theory: Braggs
Law
6. Data Collection/instrumentation
7. Data Collection procedure
8. Space group determination:
Crystal symmetry
9. Data processing and reduction
10. Fourier transforms
11. Phase determination: Heavy atom
method
12. Phase determination: Molecular replacement
method
13. Model building: Electron density
map interpretation
14. Model refinement
15. Model validation and functional interpretation
Laboratories (1-hour class; 3 hour morning or afternoon
sessions): Practical Approach to crystallization and
structure determination
of Lysozyme
1. Crystallization
2. Crystal preparation and data
collection
3. Data processing and reduction
4. Phasing, model building and
refinement
5. Structure function analysis
Facilities required:
1. X-ray facility (Room LG-171
in MBI) for data collection in pairs at each session
2. Crystal Clear software provided
by Rob McKenna (PC’s in LG-191)
3. Multidisciplinary Simulation
and Computer Laboratory (Room L1-111 in MBI: CNS and O software
provided by Rob McKenna.
NMR Spectroscopy: The NMR portion of the class is an introduction to
the theory and practical
implementation of modern biological NMR spectroscopy. In the
lectures, students will learn the basis of
multidimensional (2D, 3D, 4D, ...) and multinuclear (1H, 15N, 13C,
...) NMR experiments. In the lectures,
emphasis will be placed on practical applications that will involve
hands-on exercises using various computer software packages. The
laboratory will complement the lectures and will provide initial training
to become a regular user of the Advanced Magnetic Resonance Imaging and
Spectroscopy (AMRIS) Facility of the McKnight Brain Institute (MBI) of
UF. Pairs of students will work together to perform labs by using
the AMRIS 500 MHz spectrometer and MBI computer facilities.
Lectures (1-hour class):
1. Behavior of nuclear spins in
a magnetic field
2. Product operators I (tools
to describe the basics)
3. Data collection and the Fourier
transform
4. Chemical shift and scalar coupling
5. Relaxation
6. Product operators II (description
of multidimensional experiments)
7. 2D NMR
8. Data processing
9. Introduction to protein data
analysis: TOCSY, NOESY
10. Heteronuclear NMR experiments
11. Triple resonance data analysis
12. Dynamics
13. Oriented samples
14. Structure Calculations I
15. Structure Calculations II
Laboratory (1-hour class):
1. Experimental basics of NMR: Sample preparation
and loading, probe tuning, locking, shimming, pulse
width calibration,
and 1D 1H NMR.
2. 2D 1H NMR experiments: NOESY and TOCSY.
Resonance assignments with a small peptide.
3. Indirect observation: X-pulse width calibration
while detecting 1H, 15N-edited 1H NMR
experiments, 2D
15N-HSQC.
4. 2D 15N Relaxation experiments (2 Lab
classes): 1H-15N NOE, T1, or T2.
Facilities required:
1. 500 MHz narrow-bore NMR instrument
(MBI AMRIS Room LG-123D) for data collection
2. CITS Computer Facility
(Room L1-111 in MBI): Mathematica, Biosym, Bruker X-WinNMR, NMRPipe
and
NMRView
MR Imaging and Spectroscopy: These lectures and labs will provide instruction in the theory and practice of modern methods used in the study of biological sample with a focus on living systems. The goal of the course is to provide the knowledge and experience necessary for the student to apply this technology to the study of significant biological problems.
Lectures (1-hour class):
1. Behavior of nuclear spins in a magnetic field
2. RF coils and magnetic field gradients
3. Data collection and Fourier transformation
4. Product operators I (tools to describe basic
theory)
5. Relaxation and magnetic-field-strength dependence
6. Slice selection using shaped RF pulses
7. Basic two-dimensional Fourier MR image acquisition
and processing
8. Spin echoes, gradient-recalled echoes, and stimulated
echoes for imaging
9. Rapid imaging methods: RARE and Echo planar
10. Weighting image intensity with relaxation, diffusion,
flow or magnetization transfer
11. Functional magnetic resonance imaging
12. Product operators II: Chemical shift and scalar
coupling
13. Chemical-shift-selective imaging (e.g. fat suppression)
and spectroscopic imaging
14. Localized MR spectroscopy
15. Measurement of physiological parameters; pH
and reaction rates
Laboratory (1-hour class):
1. Experimental basics of MR spectroscopy; a) Sample
preparation and loading, b) RF coil tuning, c) shimming, d) RF
pulse-power calibration,
and e) 1H NMR spectroscopy.
2. Basic MR imaging; a) single- and b) multiple-slice
2D spin-echo Fourier imaging with relaxation weighting, c) 3D
spin-echo and d) gradient-recalled-echo
Fourier imaging.
3. MR imaging of diffusion, perfusion and flow
4. Localized MR spectroscopy
5. RF coil construction; a) Single-turn surface
coil, and b) coupled coils
Facilities required:
1. 4.7 T animal MR facility (MBI AMRIS Room LG-123C)
for data collection
2. RF coil lab (Room LG-131 in MBI) for RF coil
construction
3. Temporary student accounts on Faraday (Room LG-152
in MBI): IDL software package
Optical Microscopy: The OM portion of the class is an introduction to the theory, instrumentation and practical implementation of optical microscopy to study biological problems with an emphasis on the application of fluorescence. In the lectures, students will learn the theoretic basis of the use of fluorescent probes targeting specific cellular structures in 3D and more dynamic processes such as localized ion concentrations, electrical potentials, and cellular trafficking (4D imaging adding the time domain). In the lectures the students will be prepared to do the hands on experiments in the labs of investigators and the core OM facilities of the McKnight Brain Institute. The course will provide a level of training sufficient to create independent users of the various microscopic techniques available, and a thorough understanding of the techniques that should foster the development of original applications in their own fields of research.
Lectures (1 hour class):
1. Introduction to fluorescence microscopy, physical
basis.
2. Components of the fluorescent compound microscope,
optics.
3. Light sources and light detectors used in optical
imaging.
4. Optical Probes and their applications, properties
and history.
5. Using optical probes in cells, practicalities,
problems and pitfalls.
6. The reality of imaging, is what you see what
happened?, artifacts.
7. Optical probes for specific molecules, ions,
organelles and cells.
8. Photolabile caged compounds and their applications
in signal transduction research.
9. Technology for qualitative and quantitative detection
of optical probes in cells.
10. Application of confocal microscopy (LSCM) for
optical probe imaging.
11. LSCM: Dual excitation, high-speed, 4D imaging
and kinetic studies.
12. LSCM: multi-photon, imaging of thick living
preparations and tissues.
13. CCD cameras and low light imaging, deconvolution
microscopy.
14. Special applications: flow cytometry, biosensors,
transgenic probes.
15. Special applications: nuclear calcium signaling,
gap junctions, cellular transport, cytoskeletal dynamics in mitosis and
cell
motility.
Laboratory (1 hour class)
1. Conventional digital imaging of calcium: qualitative
(CCD) vs. quantitative (photon counting) measurements.
2. Image analysis, morphometric 2D measurements,
3D reconstruction, software packages.
3. Confocal microscopy 1: Multi label imaging of
structures, co-localization.
4. Confocal microscopy 2: Dynamic imaging in the
time domain, time-lapse, kinetics of transport and ion concentration.
5. Deconvolution microscopy: Optical sectioning
and 3D reconstruction.
Facilities required:
1. OM Facility (MBI-UF Rooms LG-164 & LG-180)
for data collection
2. Dr. Knot’s Lab (ARB R5-285) for quantitative
preparations.
3. CITS Computer Laboratory (Room LG-191 in MBI-UF)
for image processing
Lectures and Labs (with homework in Mathematica):
1. Introduction to computers and programming languages
(e.g. Mathematica)
2. Geometry and vectors
3. Matrix algebra
4. Waves; linear, circular, and interference
5. Wave analysis and Fourier transformations
6. Noise and uncertainty in measurements
7. Probability and predictions
8. Sample-size selection and error estimation
9. Raw data file format(s)
10. Molecular Geometry
11. Calculating distance between atoms (1 hour lab)
12. Calculating Ramachandran diagrams (1 hour lab)
13. Image geometry
14. Image windowing and fast Fourier transformation
(1 hour lab)
15. Distance and volume measurements (1 hour lab)
Facilities required:
1. Multidisciplinary Simulation & Computer Lab
(Room L1-111 in MBI): Mathematica, CNS and O software
2. CITS Computer Laboratory (Room LG-191 in MBI):
PC’s with Crystal Clear software
3. Temporary student accounts on computer, Faraday
(LG-152 of MBI); IDL software