Leonard,
I don't understand your description.
- so this is indeed a cyclic protein, right?
- Is it not the case that the two molecules per ASU in P32 are related
by twofold NCS, and that in P3221 this is a crystallographic twofold?
- What do you mean with "some percentage of the unit cells have the
linked protein going in one direction in the cell and the rest of the
cells have it going in the other direction"?
- maybe you could make a little ASCII sketch?
best,
Kay
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