Hello Colin Although the unit cell dimensions from mosflm should be largely unreliable in this case, the software actually returned a P2 space group with a=24.6, b=7.5, c=69.5 where b is so short that it resembles a small molecule crystal.
Regards Sam Sam On Tue, 9 Oct 2018 at 20:53, [email protected] < [email protected]> wrote: > Sam > > Would this unit cell index some of the spots? > > a = 7.00 ± 0.04 A, b = 9.96 ± 0.05 A, c = 6.29 ± 0.04 A. > > Colin > > > > *From:* CCP4 bulletin board <[email protected]> *On Behalf Of *Sam > Tang > *Sent:* 09 October 2018 12:13 > *To:* ccp4bb <[email protected]> > *Subject:* [ccp4bb] Weird diffraction pattern > > > > Dear all > > > > Hello. We recently shot a crystal (a protein with small molecule as > ligand) at a synchrotron source and see a weird pattern. ( > https://drive.google.com/file/d/11bEtTJzKaAB5ZybezgN1cqBrckSRg2OV/view?usp=sharing > ) > > > > Crystal was grown in Citric acid and ammonium sulfate, cryoprotected with > glycerol. > > > > At first we thought it was a protein crystal contaminated with salt but on > second thought, the lowest resolution spot was at around 7 A, which doesn't > make sense for a protein. So we would like to solicit your experience and > perhaps someone may have encountered similar pattern before? > > > > Many thanks. > > > > Kind regards > > > Sam > > > > > ------------------------------ > > To unsubscribe from the CCP4BB list, click the following link: > https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=CCP4BB&A=1 > > > > -- > > This e-mail and any attachments may contain confidential, copyright and or > privileged material, and are for the use of the intended addressee only. If > you are not the intended addressee or an authorised recipient of the > addressee please notify us of receipt by returning the e-mail and do not > use, copy, retain, distribute or disclose the information in or attached to > the e-mail. > Any opinions expressed within this e-mail are those of the individual and > not necessarily of Diamond Light Source Ltd. > Diamond Light Source Ltd. cannot guarantee that this e-mail or any > attachments are free from viruses and we cannot accept liability for any > damage which you may sustain as a result of software viruses which may be > transmitted in or with the message. > Diamond Light Source Limited (company no. 4375679). Registered in England > and Wales with its registered office at Diamond House, Harwell Science and > Innovation Campus, Didcot, Oxfordshire, OX11 0DE, United Kingdom > > ######################################################################## To unsubscribe from the CCP4BB list, click the following link: https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=CCP4BB&A=1
