[ccp4bb] problems of running mosflm on the MAC

2007-12-20 Thread michael nelson
Hi,folks, I got a brand new Mac Intel. I download the pre-built mosflm 7.0.1 from Harry's website.But I got the following error when I try to execute it, dyld: Library not loaded: /usr/X11R6/lib/libXt.6.dylib Referenced from: /Users/mnelson/downloads/./ipmosflm_osx_intel Reason: image not found

[ccp4bb] Problem again with mosflm

2007-12-21 Thread michael nelson
Sorry folks, but I have been very frustrated to get mosflm and imosflm to work. I have get around with X11, but I got another problem, >> CCP4 library signal ccp4_general:Cannot open environ.def (Success) raised in ccp4fyp << ipmosflm_universal: Cannot open environ.def ipmosflm_

[ccp4bb] unbiased electron density map

2008-01-09 Thread michael nelson
In my understanding, unbiased electron density map usually refers to the Fo-Fc map.But I have seen in some papers sentences like that "The initial, unbiased 2FoFc map is contoured at".I was a bit confused since I was told by my instructor that the 2Fo-Fc was usually biased. Can anyone clear up

[ccp4bb] Offtopic: FAD enzymatic assay

2008-12-01 Thread michael nelson
was working to set up an FAD enzymatic assay. I wished to be able to use 450nM to continuously monitor the progress of the reaction. The substrate I used is the natural substrate of the enzyme and the protein is recombinant protein and I assume it's active since I do see changes in TLC plate. B

[ccp4bb] Offtopic: FAD enzymatic assay: a little bit more about my enzyme

2008-12-02 Thread michael nelson
Dear all, Thank you for all your kind replies. Here is a little bit more about the enzyme and how I carry out the assay at the first place. My enzyme is a lipid desaturase, originally from plant but overexpressed in bacteria. FAD serves as a co-factor for this enzyme, in which FAD is reduced t

Re: [ccp4bb] Offtopic: FAD enzymatic assay

2008-12-04 Thread michael nelson
d then add them to Tris-Chaps buffer (pH ~7, and about 10mM Chaps). Is there a better way to dissolve them for assay. Please advise. michael nelson wrote: > Dear all, > > Thank you for all your kind replies. > > Here is a little bit more about the enzyme and how I carry out the

Re: [ccp4bb] Offtopic: FAD enzymatic assay

2008-12-05 Thread michael nelson
You might be right. I can not rule out the possibility. By the way, is the PMS/DCPIP system fairly stable in the aerobic condition? Mike --- On Thu, 12/4/08, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: From: [EMAIL PROTECTED] <[EMAIL PROTECTED]> Subject: Re: [ccp4bb] Offtopic: FAD enzymatic ass