How to determine the conformation of cis-cyclohexyl derivative by NMR?

1 1 1k
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This cis-cyclohexyl derivative with two big substitutes (A and B) may has two conformational isomers, 1 and 2. How to ...
Posted: Jack 31 / Updated: Evgeny Fadeev 5371 Apr 05 '10 at 12:36

What is the definition of term Saturation and what are ways to achieve that state?

2 1 2k
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Hello. What is the best definition to the state of "saturation" in the context of NMR? No phase coherence in the transv...
Posted: Evgeny Fadeev 5371 / Updated: Joseph DiVerdi 136 Apr 06 '10 at 20:44

How to set up Gaussian pulse to satisfy desired bandwidth?

1 1 3k
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Hello, posting this on behalf of my friend. The goal is to set up a gaussian shaped pulse so that bandwidth is X Hertz...
Updated: Evgeny Fadeev 5371 Apr 02 '10 at 13:15

For the RDC analysis - how to tell when the sample is acceptable/useful?

4 1 2k
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I have a rather simple question - What is the acceptable difference in coupling constants between the anisotropic and is...
Posted: shub 31 / Updated: Bharathwaj 106 Jun 22 '10 at 07:16

Are there ways to explain magnetic-field dependent chemical shift?

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Hi everyone, I was wondering whether anyone could help me to explain why the chemical shifts in my proton and carbon NM...
Posted: Guga Hollows 11 / Updated: David Cowburn 11 Aug 13 '12 at 08:36

Is value of default channel power ignored in Bruker systems for the shaped pulses?

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Hello, been editing a wiki page on the subject and this question occurred: For a Bruker pulse sequence in the following...
Posted: Evgeny Fadeev 5371 / Updated: Tony Bielecki 121 Mar 30 '10 at 19:11

How to open multiple pdb files with PyMol - all at once?

3 0 5k
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Hello, I've started using PyMol for looking at the bundles of NMR structures. You can open files one-by-one, but it's ki...
Posted: Evgeny Fadeev 5371 / Updated: dummy2 1 Apr 05 at 07:03

Is there a tool to manage NOE and other restraint lists for the structure calculations?

1 0 1k
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Hello, I'm currently working on solving a peptide NMR solution structure using NIH-XPLOR. I find myself a lot starting ...
Posted: Evgeny Fadeev 5371 / Updated: Ilango 161 Apr 02 '10 at 05:45

Software to model a 9-mer peptide that binds divalent metals and may oligomerize?

1 1 1k
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I'm gearing up for a project in which we're looking at the structure of a short peptide that should fold upon binding di...
Posted: jkurutz 101 / Updated: Evgeny Fadeev 5371 Mar 18 '10 at 09:32

Is there a way to measure scalar coupling when lines are broad?

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Hello, we have a peptide where amide peaks are broad and there is no hint of observable coupling with HA protons (no dis...
Posted: Evgeny Fadeev 5371 / Updated: jkurutz 101 Mar 16 '10 at 14:59
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