Re: [ccp4bb] pH-ing Jeffamine ED-2001

2008-04-21 Thread Yogesh Gupta PhD
Hi Amit, Changing the pH of Jeffamine is not so easy . I would keep the pH of Jeffamine constant and rather change the pH of buffer. Anyway if Jeffamine concentration is too low as compare to the buffer you are using, it would not change the final pH much. This is what my experience with

[ccp4bb] TLS refinement in REFMAC

2007-12-24 Thread Yogesh Gupta PhD
Dear CCP4 users, I refined my final model (protein-RNA complex) using TLS refinement in Refmac but when i am validating the coordinates I am having an issue with Bond Distances and Bond Angles of some of the bases of RNA, these values for some of the bases are higher ( 6 times) then the standard