GROMACS Protein Error?

I'm getting following error while pdb2gmx: Residue 2 named LYS of a molecule in the input file was mapped to an entry in the topology database, but the atom CG used in that entry is not found in...

09 October 2019 6,929 2 View

Amber MD error?

I'm getting following error in Amber: > loadoff drug.lib Could not open file drug.lib: not found Could not open database: drug.lib Please help!!

06 July 2019 8,642 2 View

Analysis and Phylogenetic tree for a fasta file?

I have a *.fasta file through nanopore sequencing (Min Ion) of approx ~250MB. I'm having problem in its analysis via MEGA Software due to large file size. I need to select a particular bacterial...

05 June 2019 5,003 6 View

Molecular Dynamics Simulation of MetalContaining Ligands?

I'm currently working on metallic ligands (transition metals/complexes as ligands). For their MD Simulation, how to generate topology for ligand, kindly help?

04 May 2019 5,705 1 View

How to set up QM/MM calculations in Gaussian for Drug-DNA complex?

I have completed molecular dynamics simulation of some drug-DNA complexes, now I need to perform QM/MM calculations on the system. Please tell me as to how to set up a QM/MM calculation in...

09 October 2018 2,226 3 View

Regarding Data Mining Softwares?

Is there any software which could mine data from downloaded research articles (pdf format) as per one's requirement?

09 October 2018 3,897 5 View

Regarding MMPBSA Calculations?

Is there any methodology to increase the no of cores (for faster computations) being used in the command line for mmpbsa claculations: g_mmpbsa -f md_0_1.xtc -s md_0_1.tpr -n index.ndx -i...

06 July 2018 248 5 View

Regarding MD via AMBER?

I am performing MD simulation for drug-DNA complex using GROMACS via AMBER force field. At following step, the program shows an error: gmx genion -s ions.tpr -o solvated.pdb -p topol.top -pname NA...

04 May 2018 5,384 2 View

Regarding MD Simulation analysis?

Can someone let me know about what is and how to perform, Umbrella Sampling in Molecular Dynamics Simulations, performed via GROMACS?

04 May 2018 6,799 5 View

Regarding Molecular Dynamics Simulation via AMBER Force Field?

I am carrying out molecular dynamics simulation of drug-dna system; after having had removed the nucleic acid from the complex when i proceed to to the MD via AMBER force field in UBUNTU system i...

02 March 2018 968 2 View

Dear all, I was wondering if anyone knows whether MGLtools and Autodock can run on Mac OS?

I have tried to download the 64-bit version of MGLtools however, as many times as I have downloaded and uninstall the programs, an error arises that the app needs to be updated. Thank you.

03 March 2021 5,997 2 View

I got 02 moderator values defining Johnson-Neyman significance regions. Is it an error?

Hi everyone, I am conducting research for my Master's thesis. I am using PROCESS by Johnson-Neyman to analyze my Moderator model. I test the relationship between Public Service Motivation and...

03 March 2021 2,350 2 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

Do I need to strip the PVDF membrane before staining it with colloidal gold?

Dear Colleagues, After running Western blot on PVDF membrane and detection using ECL, I would like to stain my PVDF with colloidal gold to be able to allign the ECL image with total proteins on...

02 March 2021 7,829 3 View

PACYC PCR not working after several attempts. Would anyone have any suggestions?

So, I have been trying to run a pACYC PCR which will be used later on for a Gibson Assembly. However the PCR is not working. I have already tried gradient PCR and changing extension time; however...

02 March 2021 1,146 2 View

What SPSS analysis should I run with one IV (with two levels) and two DVs?

Hi, I am trying to figure out which test would be most appropriate to run for the following question: Is there a difference in task blood pressure between smokers and non-smokers? There are two...

01 March 2021 8,235 2 View

OpenBCI eeg--has anyone used them?

I'm looking to try out an off-the-shelf EEG set for some exploratory work. Curious if anyone has used the OpenBCI, and how much set-up work is required. I've heard they are more difficult to get...

01 March 2021 4,128 3 View

Is there any expert in Smart PLS who can help me?

Dear colleagues, I have a manuscript that needs an expert in smart PLS to run the analysis, Is there anyone expert and ready to help me, please?

01 March 2021 8,212 3 View

Why initial concentration of Pb not the same as calculated one when testing using AAS?

I am currently doing research on the adsorption of heavy metal using magnetic reduce graphene oxide. I use AAS to determine the concentration of the heavy metal. I prepare the Pb solution with...

26 February 2021 9,580 4 View

How to run Cross-lagged panel Design on AMOS?

25 February 2021 3,126 1 View