NMR paper NMR evidence for independent domain structures in zoocin A, an antibacterial exoenzym

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[NMR paper] NMR evidence for independent domain structures in zoocin A, an antibacterial exoenzym

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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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11-24-2010, 09:51 PM

nmrlearner

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NMR evidence for independent domain structures in zoocin A, an antibacterial exoenzym

NMR evidence for independent domain structures in zoocin A, an antibacterial exoenzyme.

Related Articles NMR evidence for independent domain structures in zoocin A, an antibacterial exoenzyme.

Biochem Biophys Res Commun. 2004 Apr 30;317(2):527-30

Authors: Liang Q, Simmonds RS, Timkovich R

NMR was used to obtain spectroscopic evidence supporting a two domain model for zoocin A in which an N-terminal catalytic domain is linked by a threonine-proline rich linker to a target recognition domain responsible for recognizing the cell wall of bacteria susceptible to the bacteriolytic action of the enzyme. When cloned and separately expressed, each domain retains the folding found in the whole enzyme. Additionally, spectroscopy suggests that the target recognition domain has a conformation typical of a soluble globular protein, while the catalytic domain aggregates at low millimolar concentrations.

PMID: 15063789 [PubMed - indexed for MEDLINE]

Source: PubMed

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