NMR paper Activity and NMR structure of synthetic peptides of the bovine ATPase inhibitor prote

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[NMR paper] Activity and NMR structure of synthetic peptides of the bovine ATPase inhibitor prote

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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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11-24-2010, 08:58 PM

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Activity and NMR structure of synthetic peptides of the bovine ATPase inhibitor prote

Activity and NMR structure of synthetic peptides of the bovine ATPase inhibitor protein, IF1.

Related Articles Activity and NMR structure of synthetic peptides of the bovine ATPase inhibitor protein, IF1.

Peptides. 2002 Dec;23(12):2127-41

Authors: de Chiara C, Nicastro G, Spisni A, Zanotti F, Cocco T, Papa S

The protein IF(1) is a natural inhibitor of the mitochondrial F(o)F(1)-ATPase. Many investigators have been prompted to identify the shortest segment of IF(1), retaining its native activity, for use in biomedical applications. Here, the activity of the synthetic peptides IF(1)-(42-58) and IF(1)-(22-46) is correlated to their structure and conformational plasticity determined by CD and [1H]-NMR spectroscopy. Among all the IF(1) segments tested, IF(1)-(42-58) exerts the most potent, pH and temperature dependent activity on the F(o)F(1) complex. The results suggest that, due to its flexible structure, it can fold in helical and/or beta-spiral arrangements that favor the binding to the F(o)F(1) complex, where the native IF(1) binds. IF(1)-(22-46), instead, as it adopts a rigid alpha-helical conformation, it inhibits ATP hydrolysis only in the soluble F(1) moiety.

PMID: 12535691 [PubMed - indexed for MEDLINE]

Source: PubMed

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