[ccp4bb] RMSD map

2021-07-16 Thread Ashok Nayak
Hi community, I'd like to calculate Ca-RMSD between two related structures without any structure superposition using a running window of say few amino acids, and map them onto the mobile structure with color-coding. Does anyone have a script for the same? Thanks in advance. Ashok Nayak

[ccp4bb] sphere refine radius in coot 0.9.5.1

2021-07-09 Thread Ashok Nayak
Dear community, Is it possible to increase the radius of real space refinement while manually adjusting models in Coot with the sphere refine option? Thanks in advance, Ashok Nayak Post-Doctoral Fellow, Department of Physiology and Biophysics VCU Medical Centre,1101 E Marshall ST, Richmond,VA

Re: [ccp4bb] Cation-channel pore representation for solvent accessible area

2019-01-29 Thread Ashok Nayak
> > Hi Everyone, > Thank you very much for all your inputs. > The easiest way that worked for me was to take the coot dot_surface output > and edit it to a .bild file as per Elaine's suggestion. > Coot dot surface output: > 243.69110 246.85279 354.96833 0.448000.471680.8 >

[ccp4bb] Cation-channel pore representation for solvent accessible area

2019-01-22 Thread Ashok Nayak
the dots which appear more than certain radius limit. I could not control these in sph_process either. Could anyone suggest me the standard way or fine steps to circumvent this ? Ashok Nayak Post-Doctoral Fellow, Department of Physiology and Biophysics VCU Medical Centre,1101 E Marshall ST, Richmond

Re: [ccp4bb] R/Rfree values

2016-12-14 Thread Ashok Nayak
molecule is elongated you might have diffraction anisotropy and in that case The R values don't come down. I would also like to use Refmac along with Phenix; that helped in my case. So you would like to take them one by one and figure out carefully. Best Wishes Ashok Nayak Post-Doctoral F

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2016-08-05 Thread Ashok Nayak
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2016-07-23 Thread Ashok Nayak
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Re: [ccp4bb] How to fit BioSAXS shape to the Structure

2015-06-26 Thread Ashok Nayak
Dear Weifei, It can also be done manually in Pymol by changing the mouse mode from 3 button viewing to 3 button editing and later moving the envelope onto the X-ray structure or vice-versa, however the best fit can be achieved in SUPCOMB. regards Ashok Nayak CSIR-CDRI, Lucknow India

[ccp4bb] A query regarding GST tag protein purification

2010-08-29 Thread ashok nayak
Hello one and all !! I have been working on cloning and purification aspects on a Leishmanial cysteine peptidase (pI= 8.2) for quite some time. I had cloned it in pGEX expression vector. Expression seemed quite okay when induced with 0.5 and 1mM IPTG, so did the solubility in 4 buffers at differ