[ccp4bb] Better Beamline suggestion!

2019-08-19 Thread Chandramohan Kattamuri
Dear All We recently collected a data set at APS, Chicago with unit cell dimensions of 68.4; 68.4 and 991.6 A. Our diffraction data extends to 3A with the APS set up, however, the long axis has been problematic, resulting in streaking of the diffraction data and requires a very specific orienta

[ccp4bb] Non-Cysteine modification with heavy atom

2019-01-02 Thread Chandramohan Kattamuri
Dear CCP4 members, Can someone suggest to me a methodology to covalently modify (non-cysteine) on component of a multicomponent complex with heavy atoms in order to achieve better phase determination? Thanks in advance Chandra kattamuricha...@yahoo.com

[ccp4bb] Suggestions on Dynamic Light Scattering instruments

2018-04-30 Thread Chandramohan Kattamuri
Dear all, We are looking for Dynamic Light Scattering instruments to test our purified protein complexes prior to crystallization. Any suggestions or recommendations regarding which instruments to pursue? Thanks in advance Chandra kattamuricha...@yahoo.com

[ccp4bb] suggestions on a microscope for Crystallography

2018-03-06 Thread Chandramohan Kattamuri
Hi I'm looking for suggestions on a good microscope for looking at crystals, which includes polarization, light source (fiber optics), crosshairs and camera mount. What Models and make? Thanks in advance Chandra