Re: [ccp4bb] Lattice expansion

2024-07-08 Thread Kay Diederichs
Hi Charlie, I don't see a relation between P212121 and F222 that would arise from some kind of duplication or halving of axes. These spacegroups have different super- and subgroups (see https://wiki.uni-konstanz.de/xds/index.php/Space_group_determination#Subgroup_and_supergroup_relations_of_the

Re: [ccp4bb] Lattice expansion

2024-07-08 Thread Jon Cooper
Hello, with a=b in both cases, I am sure you have considered tetragonal. I remember convincing myself something was F222 when it actually was I422. Best wishes, Jon Cooper. jon.b.coo...@protonmail.com Sent from Proton Mail Android Original Message On 08/07/2024 12:07, Nichols,

Re: [ccp4bb] Lattice expansion

2024-07-08 Thread Andy Purkiss
Hi Charlie, With xia2 you can try to reprocess and force the spacegroup to be P222 and the cell dimensions to be the larger option with the following options: -spacegroup P212121     -cell 80,80,120,90,90,90   This can also be done with other processing pipelines. I've seen sim