NMR paper In Vitro Production of Perdeuterated Proteins in H2O for Biomolecular NMR Studies.

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[NMR paper] In Vitro Production of Perdeuterated Proteins in H2O for Biomolecular NMR Studies.

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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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In Vitro Production of Perdeuterated Proteins in H2O for Biomolecular NMR Studies.

Related Articles In Vitro Production of Perdeuterated Proteins in H2O for Biomolecular NMR Studies.

Methods Mol Biol. 2021;2199:127-149

Authors: Imbert L, Lenoir-Capello R, Crublet E, Vallet A, Awad R, Ayala I, Juillan-Binard C, Mayerhofer H, Kerfah R, Gans P, Miclet E, Boisbouvier J

Abstract
The cell-free synthesis is an efficient strategy to produce in large scale protein samples for structural investigations. In vitro synthesis allows for significant reduction of production time, simplification of purification steps and enables production of both soluble and membrane proteins. The cell-free reaction is an open system and can be performed in presence of many additives such as cofactors, inhibitors, redox systems, chaperones, detergents, lipids, nanodisks, and surfactants to allow for the expression of toxic membrane*proteins or intrinsically disordered proteins. In this chapter we present protocols to prepare E. coli S30 cellular extracts, T7 RNA polymerase, and their use for in vitro protein expression. Optimizations of the protocol are presented for preparation of protein samples enriched in deuterium, a prerequisite for the study of high-molecular-weight proteins by NMR spectroscopy. An efficient production of perdeuterated proteins is achieved together with a full protonation of all the amide NMR probes, without suffering from residual protonation on aliphatic carbons. Application to the production of the 468*kDa TET2 protein assembly for NMR investigations is presented.

PMID: 33125648 [PubMed - in process]

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