'Difference map' presentation slideshows

Optimisation in Refinement

Optimisation in Refinement. Garib N Murshudov Chemistry Department University of York. Outline. Introduction to optimisation techniques MX refinement Fast gradient calculation Information matrix for different likelihood Fast approximate Hessian and information matrix

820 views • 62 slides

Optimisation in Refinement

Optimisation in Refinement. Garib N Murshudov Chemistry Department University of York. Outline. Introduction to optimisation techniques MX refinement Fast gradient calculation Information matrix for different likelihood Fast approximate Hessian and information matrix

702 views • 62 slides

The EMfit program

The EMfit program. Setting up the Control File (1) (input and output files). INPUT Line 1. Path to cryoEM map. Line 2. Path to X-ray map to be used as a scaling standard. Line 3 Path to structure to establish mask within which maps should be comparable. OUTPUT

662 views • 57 slides

Visualization of Nano-Scale Structures

444 views • 43 slides

Crystallography -- Lecture 22

Crystallography -- Lecture 22. Refinement and Validation. Refinement. Initial model to final model. Steps after initial modeling: Rigid body refinement. (2) Density modification. (3) Difference maps. (4) Least squares, protein coordinates + overall B-factor.

455 views • 42 slides

Updates on Validation and SQUEEZE

Updates on Validation and SQUEEZE. Ton Spek Utrecht University Bruker User Meeting Jacksonville (FL), Jan 19, 2016. Structure Validation 20 Years.

239 views • 23 slides

Salvi Asefi 1 , K. R. Gurney 1 , P. Rayner 2 , Y . Song 1 ,

High -resolution global CO 2 emissions from fossil fuel inventories for 1992 to 2010 using integrated in-situ and remotely sensed data in a fossil fuel data assimilation system. Salvi Asefi 1 , K. R. Gurney 1 , P. Rayner 2 , Y . Song 1 ,

351 views • 21 slides

Functional MRI study of pressure pain and its modulation using mental imagery

Functional MRI study of pressure pain and its modulation using mental imagery. Edward F. Jackson 1 , Charles S. Cleeland 2 , Karen O. Anderson 2 , Robert R. Allen 2 , Tito R. Mendoza 2 , Richard Payne 2 , Guadalupe Palos 2 Department of Radiology 1 and

526 views • 20 slides

Interpretation of iTrace TM Aberrometry For Accommodative Lenses

Interpretation of iTrace TM Aberrometry For Accommodative Lenses. Data provided by Deepak Chitkara, M.B., ChB. D.O. Donald R. Sanders, M.D., PhD.

515 views • 13 slides

Introduction

S. Distortion (mm). Distortion (mm). 10 0. +1 0 -1. Phase Direction. Phase direction. Read Direction. Read Direction. Chang corrected LTO. gradient induced distortion (read). forward read gradient (fwdgrad). Distortion (mm). 10 0. Phase Direction. Phase Direction.

124 views • 1 slides