Unanswered questions

Please suggest model proteins and peptides for NMR

2 1 5k
answers votes views
do you know any model proteins except lysozyme suitable for nmr experiments? ...
Posted: niloofar niknam 26 / Updated: Markus Seeliger 11 Aug 17 '10 at 13:16

calculating power level with stdisp

2 2 7k
answers votes views
For some reason the shape tool has some sort of glitch that I can't calculate a power level for a wurst 10 ms pulse 180 ...
Posted: roseyp 46 / Updated: djh 1 Aug 11 '11 at 04:14

finding sample data for practicing 2D 1H assignment

2 1 5k
answers votes views
as I have already started to assign a small peptide, I need sample data set for practicing 2d h1 assignment, could you p...
Posted: niloofar niknam 26 / Updated: jkurutz 131 Dec 15 '09 at 05:00

What is the correct way to label a multiplet?

1 1 13199
answers votes views
Hi, I am puzzled with a determination of multiplicity of a spectrum. When to use abreviation m? And how to cut a bunch o...
Posted: rusta 16 / Updated: Evgeny Fadeev 5771 Jan 18 '10 at 21:20

How to optimally choose a 1/4J 1H-15N delay for INEPT?

2 1 6k
answers votes views
Why is it often the case that when transferring magnetization from 1H to 15N, the 1/4J time is often a little less than ...
Posted: Scott Robson 156 / Updated: Evgeny Fadeev 5771 Apr 14 '10 at 16:33

Magnetic resonance energy units [closed]

1 1 4k
answers votes views
What is the energy difference between the anti-parallel and parallel states of the hydrogen nucleus in a 1.5T and a 3T m...
Posted: Grum 16 / Updated: Evgeny Fadeev 5771 Nov 18 '09 at 14:28

Saturation transfer difference TROSY

1 1 9k
answers votes views
Has anyone added a pulse scheme for cross saturation to their TROSY for Bruker platform? Could you share a pulse sequen...
Posted: roseyp 46 / Updated: Jana 31 May 17 '13 at 22:46

How to set up EPR measurement at elevated temperatures?

0 0 3k
answers votes views
What setup do you use to measure EPR at temperatures above room temperature? We have a Bruker EMX500 instrument and we...
Updated: Evgeny Fadeev 5771 Apr 14 '10 at 16:28

Acquiring at a receiver phase of 22.5 deegres from the y axis!

1 1 10951
answers votes views
I've been trying to find a way to acquire NMR data on a UnityPlus system with 20, 30 40 degrees and no the standard ones...
Posted: Federico del Rio 36 / Updated: Evgeny Fadeev 5771 Nov 18 '09 at 14:29

1H-31P Hetcore with Varian inova 500, How can it be possible?

4 2 7k
answers votes views
I use a varian inova 500 NMR machine. it has vnmrj 2.1B software. An auto-x pfg 500 Mhz probe and auto tuning unit also....
Posted: oksijen 26 / Updated: Ulrich Haunz 210 Apr 27 '10 at 00:34
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