Re: [ccp4bb] refmac-extra-params

2017-08-25 Thread Dr A.A. Jalan
Dear Prof Emsley That worked! Thanks Abhishek On 2017-08-24 17:42, Paul Emsley wrote: > On 24/08/17 16:29, Dr A.A. Jalan wrote: > >> I am trying to change the default refmac run parameters in coot. For this, I >> created a refmac-extra-params file in the directory

[ccp4bb] refmac-extra-params

2017-08-24 Thread Dr A.A. Jalan
Dear all, I am trying to change the default refmac run parameters in coot. For this, I created a refmac-extra-params file in the director from where coot is launched. (set! refmac-extra-params (list "MAKE HYDROGENS ALL" "REFI BREF ANIS")) But these modification are ignored through the foll

[ccp4bb] discriminate between solutions from phaser

2017-04-30 Thread Dr A.A. Jalan
Dear all, I have a two part question, I am trying to solve the structure of a collagen triple helix containing 144aa. Phaser on models containing 21, 30, 39 and so on upto 120aa shows an interesting trend. The TFZ and LLG scores peak at 57aa and then start to fall off significantly. How shou

[ccp4bb] When should one add solvents

2017-04-17 Thread Dr A.A. Jalan
Dear All, I have a very elementary question. At what stage of refinement is it appropriate to start adding solvent (water). For example, during refinement of a structure, I was able to build ~ 90% of residues. The density of the remaining residues is not complete. If I take a guess and add res