[ccp4bb] Lego_auto_mainchain in COOT?

Dear all, Is there any similar function in COOT as lego_auto_mainchain command in O program? This command is quite useful to build a low resolution model (say, < 4A). Cheers, Xiuwen

[ccp4bb] diffcult MR case

Dear colleages, Currently I met problem in a MR case and hope somebody could advise me. The crystals belong to sg C2221 with the cell parameters a=59A, b=302A, c=97A, beta=92.3. The searching model shares 43% identities (300aa) with target protein. When searching in PHASER program, only o

[ccp4bb] MR with electron density model

Dear all, I am trying to get a structure using MR. Unfortunately, it failed to get solution with several model coordinates. Is there any suggestion for me to how to get the solution with model electron density? Thanks all. Cheers, Xiuwen