NMR paper Backbone assignments and secondary structure of the Escherichia coli enzyme-II mannit

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[NMR paper] Backbone assignments and secondary structure of the Escherichia coli enzyme-II mannit

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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, 03:01 AM

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Backbone assignments and secondary structure of the Escherichia coli enzyme-II mannit

Backbone assignments and secondary structure of the Escherichia coli enzyme-II mannitol A domain determined by heteronuclear three-dimensional NMR spectroscopy.

Related Articles Backbone assignments and secondary structure of the Escherichia coli enzyme-II mannitol A domain determined by heteronuclear three-dimensional NMR spectroscopy.

Protein Sci. 1993 Aug;2(8):1331-41

Authors: Kroon GJ, Grötzinger J, Dijkstra K, Scheek RM, Robillard GT

This report presents the backbone assignments and the secondary structure determination of the A domain of the Escherichia coli mannitol transport protein, enzyme-IImtl. The backbone resonances were partially assigned using three-dimensional heteronuclear 1H NOE 1H-15N single-quantum coherence (15N NOESY-HSQC) spectroscopy and three-dimensional heteronuclear 1H total correlation 1H-15N single-quantum coherence (15N TOCSY-HSQC) spectroscopy on uniformly 15N enriched protein. Triple-resonance experiments on uniformly 15N/13C enriched protein were necessary to complete the backbone assignments, due to overlapping 1H and 15N frequencies. Data obtained from three-dimensional 1H-15N-13C alpha correlation experiments (HNCA and HN(CO)CA), a three-dimensional 1H-15N-13CO correlation experiment (HNCO), and a three-dimensional 1H alpha-13C alpha-13CO correlation experiment (COCAH) were combined using SNARF software, and yielded the assignments of virtually all observed backbone resonances. Determination of the secondary structure of IIAmtl is based upon NOE information from the 15N NOESY-HSQC and the 1H alpha and 13C alpha secondary chemical shifts. The resulting secondary structure is considerably different from that reported for IIAglc of E. coli and Bacillus subtilis determined by NMR and X-ray.

PMID: 8401218 [PubMed - indexed for MEDLINE]

Source: PubMed

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