[ccp4bb] Refmac specific questions

2009-06-05 Thread Partha Chakrabarti
Hi, Sorry to sound stupid, could someone explain what does refmac do if one chooses "mixed (bref MIXED)" or "overall (bref OVER)" B factor refinement in the context of TLS refinement? Is it something like: Isotropic for the main chain and/or waters and anisotropic for the side chain? Regards, Pa

Re: [ccp4bb] Refmac specific questions

2009-06-05 Thread junfeng liu
Hi Partha, It should be depended on the input model : MIXEd Some atoms with isotropic, some with anisotropic B-values. In this case input file (PDB) defines which atom should be refined isotropicly and which anisotropicly. The atoms with ANISOU card are refined anisotropicly. ta l