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GeNMR
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Fragment-based:
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Refinement:
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Structure from chemical shifts:
Fragment-based:
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Flexibility from chemical shifts:
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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:
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Old 08-21-2010, 11:16 PM
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Default RNA-binding domain of the A protein component of the U1 small nuclear ribonucleoprote

RNA-binding domain of the A protein component of the U1 small nuclear ribonucleoprotein analyzed by NMR spectroscopy is structurally similar to ribosomal proteins.

Related Articles RNA-binding domain of the A protein component of the U1 small nuclear ribonucleoprotein analyzed by NMR spectroscopy is structurally similar to ribosomal proteins.

Proc Natl Acad Sci U S A. 1991 Mar 15;88(6):2495-9

Authors: Hoffman DW, Query CC, Golden BL, White SW, Keene JD

An RNA recognition motif (RRM) of approximately 80 amino acids constitutes the core of RNA-binding domains found in a large family of proteins involved in RNA processing. The U1 RNA-binding domain of the A protein component of the human U1 small nuclear ribonucleoprotein (RNP), which encompasses the RRM sequence, was analyzed by using NMR spectroscopy. The domain of the A protein is a highly stable monomer in solution consisting of four antiparallel beta-strands and two alpha-helices. The highly conserved RNP1 and RNP2 consensus sequences, containing residues previously suggested to be involved in nucleic acid binding, are juxtaposed in adjacent beta-strands. Conserved aromatic side chains that are critical for RNA binding are clustered on the surface of the molecule adjacent to a variable loop that influences recognition of specific RNA sequences. The secondary structure and topology of the RRM are similar to those of ribosomal proteins L12 and L30, suggesting a distant evolutionary relationship between these two types of RNA-associated proteins.

PMID: 1826055 [PubMed - indexed for MEDLINE]



Source: PubMed
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