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Side-chains:
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NOEs:
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UNIO Candid
ASDP
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Ab initio:
GeNMR
Cyana
XPLOR-NIH
ASDP
UNIO ATNOS-Candid
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Fragment-based:
BMRB CS-Rosetta
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Template-based:
GeNMR
I-TASSER
Refinement:
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Fragment-based:
WeNMR CS-Rosetta
BMRB CS-Rosetta
Homology-based:
CS23D
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Torsion angles from chemical shifts:
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Secondary structure from chemical shifts:
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MICS caps, β-turns
d2D
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Flexibility from chemical shifts:
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Chemical shifts re-referencing:
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SAVES2 or SAVES4
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Verify_3D
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Flexibility from structure:
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Methyl S2
B-factor
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From structure:
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CH3shift- Methyl
ArShift- Aromatic
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Proshift
PPM
CheShift-2- Cα
From sequence:
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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:
camLILA
ccSOL
Camfold
camGroEL
Zyggregator
Isotope labeling:
UPLABEL
Solid-state NMR:
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Old 02-16-2011, 07:40 PM
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Default NMR studies of three-dimensional structure and positioning of CPPs in membrane model systems.

NMR studies of three-dimensional structure and positioning of CPPs in membrane model systems.

NMR studies of three-dimensional structure and positioning of CPPs in membrane model systems.

Methods Mol Biol. 2011;683:57-67

Authors: Mäler L, Gräslund A

CPPs are generally short cationic peptides that have the capability to interact directly with membranes. Most CPPs attain a three-dimensional structure when interacting with bilayers, while they are more or less unstructured in aqueous solution. To understand the relationship between structure and the effect that CPPs have on membranes, it is of great importance to investigate CPPs with atomic resolution in a suitable membrane model. Nuclear magnetic resonance (NMR) is an excellent technique both for studying solution structures of peptides as well as for investigating their location within a model bilayer. This chapter outlines protocols for producing model membrane systems for NMR investigations as well as the basic NMR tools for determining the three-dimensional structure of CPPs and for investigating the details in lipid-peptide interactions, i.e., the localization of the CPP in the bilayer.

PMID: 21053122 [PubMed - indexed for MEDLINE]



Source: PubMed
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