NMR paper Structure determination by 1H NMR spectroscopy of (sulfated) sialylated N-linked carb

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[NMR paper] Structure determination by 1H NMR spectroscopy of (sulfated) sialylated N-linked carb

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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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08-21-2010, 11:16 PM

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Structure determination by 1H NMR spectroscopy of (sulfated) sialylated N-linked carb

Structure determination by 1H NMR spectroscopy of (sulfated) sialylated N-linked carbohydrate chains released from porcine thyroglobulin by peptide-N4-(N-acetyl-beta-glucosaminyl)asparagine amidase-F.

Related Articles Structure determination by 1H NMR spectroscopy of (sulfated) sialylated N-linked carbohydrate chains released from porcine thyroglobulin by peptide-N4-(N-acetyl-beta-glucosaminyl)asparagine amidase-F.

J Biol Chem. 1991 Mar 5;266(7):4237-43

Authors: de Waard P, Koorevaar A, Kamerling JP, Vliegenthart JF

The N-linked carbohydrate chains of porcine thyroglobulin were released by peptide-N4-(N-acetyl-beta-glucosaminyl)asparagine amidase-F (PNGase-F). The resulting oligosaccharides were fractionated by a combination of fast protein liquid chromatography and high performance liquid chromatography and analyzed by 500-MHz 1H NMR spectroscopy. The major acidic compounds are mono- and disialylated, fucosylated diantennary compounds terminated with alpha(2-6)-linked sialic acid on the Man alpha(1-3) branch. The Man alpha(1-6) branch shows a large heterogeneity. It can be terminated with Man-4', GlcNAc-5', or Gal-6', whereas the Gal-6' residue may be extended with Gal alpha(1-3), NeuAc alpha(2-3), or Sia alpha (2-6). In the major structures 8% of alpha(2-6)-linked sialic acid was found as NeuGc instead of NeuAc. The main compounds have sulfated homologues bearing a sulfate group (6-20%) at C-3 of Gal-6' or at C-6 of GlcNAc-5 as follows. [formula: see text]

PMID: 1999416 [PubMed - indexed for MEDLINE]

Source: PubMed

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