Slide 1 19 Feb 2008 Biology 555: Crystallographic Phasing II p. 1 of 38 ProteinDataCrystalStructurePhases Overview of the Phase Problem John Rose ACA Summer School 2006 Reorganized…

Slide 1 1 2 34 1 2 34 1 2 34 1 2 34 1 2 34 1 2 34 1 2 34 1 2 34 Slide 2 b a Draw the location of all 2-fold symmetry axes using the ellipse symbol. Draw a unit cell. How…

Interpreting difference Patterson Maps in Lab this week! Calculate an isomorphous difference Patterson Map (native-heavy atom) for each derivative data set. We collected12…

b a Draw location of 2-fold symmetry axis. Draw unit cell. Estimate (x,y) coordinates of oxygen atom in fractions of a unit cell. b a Two-folds b a Which plane group? Choice…

b a Draw the location of all 2-fold symmetry axes using the ellipse symbol. Draw a unit cell. How many molecules in the unit cell? asymmetric unit? Estimate (x,y) coordinates…