Andre I had same kind of crystal like in your picture. It diffracted around 2.7A. Even I had some crystals where one end was closed. Both hollow crystal or the closed end (part) crystal diffracted same.
With regards Syed --- On Thu, 6/3/10, Andre Ambrosio <andre.ambro...@cebime.org.br> wrote: From: Andre Ambrosio <andre.ambro...@cebime.org.br> Subject: [ccp4bb] Off-topic: hollow protein crystals To: CCP4BB@JISCMAIL.AC.UK Date: Thursday, June 3, 2010, 12:37 AM Dear all, We have recently obtained crystals from a small protein, and interestingly, at least for me, they are hollow trigonal rods (please see pictures attached). Just out of curiosity, has anybody ever seen such feature for protein crystals before? Regards, -Andre.