New amino acid residue type identification experiments valid for protonated and deuterated proteins

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New amino acid residue type identification experiments valid for protonated and deuterated proteins

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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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09-06-2012, 05:03 PM

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New amino acid residue type identification experiments valid for protonated and deuterated proteins

New amino acid residue type identification experiments valid for protonated and deuterated proteins

Abstract Two experiments are presented that yield amino acid type identification of individual residues in a protein by editing the 1Hâ??15N correlations into four different 2D subspectra, each corresponding to a different amino acid type class, and that can be applied to deuterated proteins. One experiment provides information on the amino acid type of the residue preceding the detected amide 1Hâ??15N correlation, while the other gives information on the type of its own residue. Versions for protonated proteins are also presented, and in this case it is possible to classify the residues into six different classes. Both sequential and intraresidue experiments provide highly complementary information, greatly facilitating the assignment of protein resonances. The experiments will also assist in transferring the assignment of a protein to the spectra obtained under different experimental conditions (e.g. temperature, pH, presence of ligands, cofactors, etc.).

Content Type Journal Article
Category Article
Pages 1-9
DOI 10.1007/s10858-012-9665-y
Authors
- David Pantoja-Uceda, Instituto de QuÃ*mica FÃ*sica Rocasolano, CSIC, Serrano 119, 28006 Madrid, Spain
- Jorge Santoro, Instituto de QuÃ*mica FÃ*sica Rocasolano, CSIC, Serrano 119, 28006 Madrid, Spain

- Journal Journal of Biomolecular NMR
- Online ISSN 1573-5001
- Print ISSN 0925-2738

Source: Journal of Biomolecular NMR

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