How to save/export a 3D SDF file using Open Babel?

I want to convert a SMILES code into a 3D SDF and PDB files to use for docking.I am using the following module: http://www.cheminfo.org/Chemistry/Cheminformatics/FormatConverter/index.html The...

01 February 2019 7,418 5 View

What are the kcat values of yeast hexokinase (Saccharomyces cerevisiae) for both glucose and ATP?

I am looking for kcat values (glucose and ATP) of hexokinase enzyme from common bakers yeast under physiological conditions (~pH 8, ~ 25 Deg C) along with reference preferably using...

06 July 2018 8,262 4 View

What are dimensions of ortho-silicic acid?

I need the exact diameter of ortho silicic acid, Si(OH)4. Kindly provide reference if possible. Thanking in advance for help.

04 May 2018 3,480 5 View

Is there any biological role (significance) of FRET from Trp residues to heme in peroxidases such as in Horseradish peroxidase?

Although HRP lives under darkness most of its natural life, what possible biological role Energy transfer from Trp to heme can have? Can it possibly effect Fe reactivity in Compound I or II if...

05 June 2015 4,665 3 View

Is there a bioinformatic tool to determine hydrphobic core amino acids by inputing a PDB file?

I want to determine which amino acids in a Protein structure are involved in Hydrophobic core. Is there a simple tool which requires a PDB file as input?

09 October 2014 1,098 5 View

What to do if you realize after submission to an open-access journal that it has bad reputation?

07 August 2014 9,881 2 View

How can I construct a Calcium-Green Standard curve without using commercial kit?

I want to construct a calcium standard curve using Calcium-Green dye and my own 1-39 uM calcium chloride solution. Is it possible to construct a good standard curve without using the commercial...

08 September 2013 3,001 3 View

What is the recipe for complete protein hydrolysis using nitric acid?

I want to completely hydrolyze a peroxidase enzyme with NITRIC ACID to determine Calcium content by ICP. Can anybody tell me a tried and tested simple recipe for complete protein hydrolysis...

07 August 2013 7,619 5 View

What is a positive peak at 305 nm in a purified protein using Near-UV CD show?

The protein has 3 Tyr and 3 Phe and 0 Trp residues. It show a sharp peak at 365 nm corresponding to Phe and 3 peaks between 272 and 285 nm corresponding to Tyr but I am wondering what a positive...

04 May 2013 5,905 3 View

Trp to heme energy transfer.

Is it possible that unfolding of a heme protein followed by trp fluorescence show decrease in intensity at 336 nm with increasing temperature. Normally, in heme proteins, emission intensity...

02 March 2013 805 0 View

Can we distinguish the type of free fluid inside the pelvic and abdominal cavities whether blood or serous fluid using the ultrasound?

during ultrasound examination of acute abdomen, sometimes we see free fluid , can we know the type of fluid ,whether blood or not , using ultrasound only? if yes , what are the sonographic...

01 March 2021 7,476 4 View

Can anyone help me with the administration of the "Mind the Gap" Scale for satisfaction with transition to adult care?

We are working on a study focused on adolescents' transition to adult care and are looking for a validated measure for satisfaction with the transition. So far the only measure that we have came...

28 February 2021 2,338 1 View

How to calculate Ligand-active site distance in a ligand-protein complex from MD simulation?

I have run a MD simulation of a ligand-protein complex in GROMACS using CHARMM forcefield. Reviewer has asked me to calculate Ligand-activesite distance and binding free energy of ligand with...

27 February 2021 4,703 1 View

Is there an open source free software for text mining and sentiment analysis?

I am looking for a free software for text mining and sentiment analysis for my research on customer review mining (it involves calculating polarity of attributes,opinion oriented information...

25 February 2021 1,920 6 View

Which are the journals for free paper publication?

A bunch of flower for everybody. I would like to ask about the list of journals which we can publish our paper for free. Thanks in advance. Sincerely Walid

25 February 2021 9,790 3 View

Suggestions for occupational stress surveys?

I am currently writing a masters thesis on reasons for occupational stress in the early childhood classroom, and want to include a short survey assessing participants work-related stress levels. I...

24 February 2021 8,678 2 View

Is it efficient to do liquid biopsy to investigate the gene expressions of the tumor?

To do liquid biopsy and look for specific gene expressions there are so many published papers. Thera are different protocols and procedures used to isolate circulating cell free RNA or mRNA from...

23 February 2021 7,326 5 View

Hello, does any one know a free medical text dataset?

a free multi label clinical text dataset , containing text as entry and several labels as classes. Best regards

22 February 2021 5,988 2 View

Protocol for membrane extraction E. coli?

Hello! I am interested in determining whether a poly-unsaturated fatty acid I have engineered E. coli to produce is being incorporated into the membrane of the cells or if it is simply a free...

21 February 2021 7,447 2 View

What are the potential shell well and atomic solvation parameters for the boron atom?

I have a protein-ligand docking project. The ligand contains boron atoms that are not detected by Autodock software. To solve this problem, it is necessary to introduce the boron atom to...

19 February 2021 1,236 1 View