Does PME requires periodic boundry condition using extend or restart file in namd?

Hi, I have a protein complex system, Initially i have minimized and equilibrate my system for 0.5ns. Then i want to slowly relax the side chain and back bone of my protein. i used all the restart...

09 October 2016 7,416 3 View

What is meant by Umbrella sampling and why it is require for PMF calculation in MD Simulation?

Hello, I want to know about umbrella sampling, and why it is required for potential of mean force for MD simulation?

08 September 2016 3,121 2 View

Which tools can plot inter-hydrogen bond interactions graph?

i want to plot total number of inter-molecular H_bond interactions between the drug compounds and target protein like below mentioned...

07 August 2015 4,118 13 View

Why Gromacs 4.5.6 does not generate .xtc file?

06 July 2015 6,637 9 View

How to convert amber topology and cordinates files into gromacs topology and cordiante file?

Hello, I want to run protein ligand MD simulation using Amber99sb force field. i generated protein topology files using gromacs easily but when i generated ligand topology using AmberTools15 and...

05 June 2015 4,816 3 View

How do I calculate binding free energy of simulated antigen-antibody structure?

I want to calculate binding free energy of antigen-antibody complex after 30ns MD simulation. I used MMPBSA but it takes approx 12 days for 1 ns (500 frames) of antigen-antibody complex in which i...

01 February 2015 3,036 15 View

Which is the best computational software to remodel antigen-antibody?

I downloaded PDB ID 4I3S it contains 16 missing residues in heavy chain of antibody as well as in antigen. I want to remodelled it before running the simulation. Which is the best computational...

10 November 2014 5,217 10 View

How can I calculate the half life of an inter-hydrogen bond?

06 July 2014 1,104 0 View

How can I calculate inter-hydrogen bonding between an antibody and antigen using pymol?

i want to calculate inter-hydrogen bonding between antigen and antibody using pymol. how i can calculate it and how i can get the hydrogen bonding log file?is there any way to get pymol log file...

05 June 2014 6,962 3 View

How to save .xvg plot format in to pdf ?

I have a plot in xvg format by using xmgrace and now I want to save it in pdf format. How can I do this?

04 May 2014 4,317 4 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 View

How to define and get results (stresses) for certain points of a model in abaqus, using python? When the size of the model changes?

I want to do a parameter study of a aixsymmetric cylinder in Abaqus. I want to create several jobs where I get the stresses for 3 different points in my model. These points are defined. I wrote a...

01 March 2021 10,078 1 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View

Can anyone provide the Support vector regression code structure of LIBSVM MATLAB or python ?

Please, if Gaussian Parameter optimization is possible in this code structure

28 February 2021 278 3 View

How to modify Johnson cook equation in ABAQUS?

I wanted to add an extra parameter to the existing Johnson cook equation in the ABAQUS simulation. How to add those extra parameters. Ref: A modified Johnson-Cook material model with strain...

28 February 2021 4,841 3 View

What is the exact mechanism of the antimicrobial effect of local anesthetics?

The antimicrobial effect of local anesthetics has been known for more than 50 years, but it still seems to have an unclear mechanism of action. which bacteria? which concentration? etc etc. ....

27 February 2021 4,450 2 View

I want to performe MALDI-TOF MS for bacterial identification, I would appreciate it if anyone can tell me the matrix solution preparation protocol ?

based on what I've studied on multiple papers, for peptide and protein identification Alpha-cyano-4-hydroxycinnamic acid (CHCA) is an appropriate matrix to use, I also know that the CHCA powder...

26 February 2021 6,799 3 View

No module named 'tensorflow.keras.backend.tensorflow_backend' ?

System Description Cuda 11.2 GeForce GTX 1080ti tensorflow version 2.4.1 keras version 2.2.0 python version 3.8 I was getting the below error when I try to run my code on the...

25 February 2021 6,673 2 View

Uncertianiny in using dry or wet basis in mixing a sediment with fuel oil?

Hello I'm currently working on a topic related to studying the anaerobic biodegradation of TPH in marine sediments. In this work, sediment should be mixed with fuel oil to a concentration of 20 g...

24 February 2021 9,839 3 View

Advice on growing lactobacillus species in the lab?

Hello everyone, For part of my PhD project, I'm hoping to grow some lactobacillus species in the lab so that I can create standard curves for a qPCR quantification of a faecal sample. However, I...

24 February 2021 3,157 6 View