Naturally occurring biodegradable polymers as the basis of chiral gels for the distinction of enantiomers by partially oriented NMR spectroscopy.

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Naturally occurring biodegradable polymers as the basis of chiral gels for the distinction of enantiomers by partially oriented NMR spectroscopy.

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NMR processing:

MDD

NMR assignment:

Backbone:

Side-chains:

NOEs:

Structure from NMR restraints:

Ab initio:

Fragment-based:

Rosetta-NMR (Robetta)

Template-based:

GeNMR

I-TASSER

Refinement:

Amber

Structure from chemical shifts:

Fragment-based:

Homology-based:

Torsion angles from chemical shifts:

Preditor

TALOS

Promega- Proline

Secondary structure from chemical shifts:

CSI (via RCI server)

TALOS

MICS caps, β-turns

d2D

PECAN

Flexibility from chemical shifts:

RCI

Interactions from chemical shifts:

HADDOCK

Chemical shifts re-referencing:

NMR model quality:

NOEs, other restraints:

Chemical shifts:

RDCs:

Pseudocontact shifts:

Protein geomtery:

SAVES2 or SAVES4

Quality Control Check

NMR spectrum prediction:

FANDAS

MestReS

V-NMR

Flexibility from structure:

Backbone S2

Methyl S2

B-factor

Molecular dynamics:

Gromacs

Amber

Antechamber

Chemical shifts prediction:

From structure:

Shiftx2

Sparta+

Camshift

CH3shift- Methyl

ArShift- Aromatic

ShiftS

Proshift

PPM

CheShift-2- Cα

From sequence:

Shifty

Camcoil

Poulsen_rc_CS

Disordered proteins:

MAXOCC

Format conversion & validation:

CCPN

From NMR-STAR 3.1

Validate NMR-STAR 3.1

NMR sample preparation:

Protein disorder:

DisMeta

Protein solubility:

Isotope labeling:

Solid-state NMR:

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07-14-2011, 04:40 PM

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Naturally occurring biodegradable polymers as the basis of chiral gels for the distinction of enantiomers by partially oriented NMR spectroscopy.

Naturally occurring biodegradable polymers as the basis of chiral gels for the distinction of enantiomers by partially oriented NMR spectroscopy.

Naturally occurring biodegradable polymers as the basis of chiral gels for the distinction of enantiomers by partially oriented NMR spectroscopy.

Int J Artif Organs. 2011 Feb;34(2):134-8

Authors: Büchler SS, Kummerlöwe G, Luy B

In modern, high resolution NMR spectroscopy, anisotropic parameters play an important role. They can be measured with the help of liquid crystalline mesophases or stretched polymer gels as so-called alignment media. Biologically occurring chiral polymers are of special interest as alignment media for this technique because they allow enantiomers to be distinguished.

PMID: 21374575 [PubMed - indexed for MEDLINE]

Source: PubMed

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