NMR paper Two-dimensional 1H and 15N NMR titration studies of hisactophilin.

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[NMR paper] Two-dimensional 1H and 15N NMR titration studies of hisactophilin.

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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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11-17-2010, 11:06 PM

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Two-dimensional 1H and 15N NMR titration studies of hisactophilin.

Two-dimensional 1H and 15N NMR titration studies of hisactophilin.

Related Articles Two-dimensional 1H and 15N NMR titration studies of hisactophilin.

Biochem Cell Biol. 1998;76(2-3):294-301

Authors: Hammond MS, Houliston RS, Meiering EM

We have used two-dimensional 1H-15N heteronuclear single quantum correlation spectroscopy to measure the pH dependence of backbone amide group chemical shifts in the actin binding protein hisactophilin over the pH range 5.7-11.1. Most of the resonances can be analyzed using a simple equation involving a single apparent ionization constant, pK(app). The majority of resonances in the protein titrate with pK(app) values of 5.6-7.4. The results can be rationalized in terms of titration of many histidine residues in hisactophilin. The titration data provide direct experimental support for the proposed models of the atomic basis of actin and membrane binding by hisactophilin.

PMID: 9923698 [PubMed - indexed for MEDLINE]

Source: PubMed

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