Re: [ccp4bb] Extra electron density

2012-11-05 Thread Herman . Schreuder
that with hardly any 2mFo-dFC density, you may also be looking at an artifact. Best regards, Herman -Original Message- From: CCP4 bulletin board [mailto:CCP4BB@JISCMAIL.AC.UK] On Behalf Of Mark J van Raaij Sent: Monday, November 05, 2012 9:39 AM To: CCP4BB@JISCMAIL.AC.UK Subject: Re: [ccp4bb] Extra

Re: [ccp4bb] Extra electron density

2012-11-05 Thread Sangeetha Vedula
You know what? Scratch what I said. As Mark says, there isn't any 2Fo-Fc density, which is suspicious. However, I would still model what may fit in it, with appropriate occupancy, based on the symmetry. To be doubly sure. I have, in the past, used

Re: [ccp4bb] Extra electron density

2012-11-04 Thread Sangeetha Vedula
Could it be a fatty acid? It looks like it has a (hydrophobic?) tail with a (charged?) head. Partially occupied perhaps, as they're so close together. On Sun, Nov 4, 2012 at 7:38 PM, yogesh khandokar yogesh.khando...@gmail.com wrote: Dear All I am working on an enzyme which involved in fatty