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NMR processing:
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Side-chains:
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NOEs:
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UNIO Candid
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Ab initio:
GeNMR
Cyana
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ASDP
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Fragment-based:
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Refinement:
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Structure from chemical shifts:
Fragment-based:
WeNMR CS-Rosetta
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Homology-based:
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Torsion angles from chemical shifts:
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Secondary structure from chemical shifts:
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Flexibility from chemical shifts:
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Chemical shifts re-referencing:
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From structure:
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From sequence:
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Disordered proteins:
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Format conversion & validation:
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From NMR-STAR 3.1
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NMR sample preparation:
Protein disorder:
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Protein solubility:
camLILA
ccSOL
Camfold
camGroEL
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Default 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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