NMR paper Structure refinement of the glucocorticoid receptor-DNA binding domain from NMR data

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[NMR paper] Structure refinement of the glucocorticoid receptor-DNA binding domain from NMR data

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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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08-22-2010, 03:41 AM

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Structure refinement of the glucocorticoid receptor-DNA binding domain from NMR data

Structure refinement of the glucocorticoid receptor-DNA binding domain from NMR data by relaxation matrix calculations.

Related Articles Structure refinement of the glucocorticoid receptor-DNA binding domain from NMR data by relaxation matrix calculations.

J Mol Biol. 1995 Apr 7;247(4):689-700

Authors: van Tilborg MA, Bonvin AM, Hård K, Davis AL, Maler B, Boelens R, Yamamoto KR, Kaptein R

The solution structure of the glucocorticoid receptor (GR) DNA-binding domain (DBD), consisting of 93 residues, has been refined from two and three-dimensional NMR data using an ensemble iterative relaxation matrix approach followed by direct NOE refinement with DINOSAUR. A set of 47 structures of the rat GR fragment Cys440-Arg510 was generated with distance geometry and further refined with a combination of restrained energy minimization and restrained molecular dynamics in a parallel refinement protocol. Distance constraints were obtained from an extensive set of NOE build-up curves in H2O and 2H2O via relaxation matrix calculations (1186 distance constraints from NOE intensities, 10 phi and 22 chi 1 dihedral angle constraints from J- coupling data were used for the calculations). The root-mean-square deviation values of the 11 best structures on the well-determined part of the protein (Cys440 to Ser448, His451 to Glu469 and Pro493 to Glu508) are 0.60 A and 1.20 A from the average for backbone and all heavy atoms, respectively. The final structures have R-factors around 0.40 and good stereochemical qualities. The first zinc-coordinating domain of the GR DBD is very similar to the crystal structure with a root-mean-square difference of 1.4 A. The second zinc-coordinating domain is still disordered in solution. No secondary structure element is found in this domain in the free state. As suggested by crystallographic studies on the estrogen receptor DBD-DNA and GR DBD-DNA complexes, part of this region will form a distorted helix and the D-box will undergo a conformational change upon cooperative binding to DNA.

PMID: 7723024 [PubMed - indexed for MEDLINE]

Source: PubMed

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