You should look critically at the indexing of the images for both cases. Does the lattice interpret all spots, or are half of them missing
> On 9 Nov 2017, at 10:02, Markus Heckmann <markus.21...@gmail.com> wrote: > > Dear all, >> From a small protein, gives crystals P2 with cell > Cell 53.16 65.73 72.89 90 110.94 90 > (has 3 molecules in the asymmetric unit). Tested with pointless. Does > not give any other possibility. > > Another crystal if the same protein, similar conditions: > C2 > Cell 109.14 124.37 73.42 90 111.75 90. This has 6 > molecules in the a.s.u. Tested with pointless. Does not give any other > possibility. > The cell length a, b of C2 is twice that of P2. > > Is it usual to get such crystals from similar conditions or am I > missing something? > > Many thanks, > Mark
