Document Detail


The SAND domain structure defines a novel DNA-binding fold in transcriptional regulation.
MedLine Citation:
PMID:  11427895     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The SAND domain is a conserved sequence motif found in a number of nuclear proteins, including the Sp100 family and NUDR. These are thought to play important roles in chromatin-dependent transcriptional regulation and are linked to many diseases. We have determined the three-dimensional (3D) structure of the SAND domain from Sp100b. The structure represents a novel alpha/beta fold, in which a conserved KDWK sequence motif is found within an alpha-helical, positively charged surface patch. For NUDR, the SAND domain is shown to be sufficient to mediate DNA binding. Using mutational analyses and chemical shift perturbation experiments, the DNA binding surface is mapped to the alpha-helical region encompassing the KDWK motif. The DNA binding activity of wild type and mutant proteins in vitro correlates with transcriptional regulation activity of full length NUDR in vivo. The evolutionarily conserved SAND domain defines a new DNA binding fold that is involved in chromatin-associated transcriptional regulation.
Authors:
M J Bottomley; M W Collard; J I Huggenvik; Z Liu; T J Gibson; M Sattler
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Nature structural biology     Volume:  8     ISSN:  1072-8368     ISO Abbreviation:  Nat. Struct. Biol.     Publication Date:  2001 Jul 
Date Detail:
Created Date:  2001-06-27     Completed Date:  2001-07-12     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  9421566     Medline TA:  Nat Struct Biol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  626-33     Citation Subset:  IM    
Affiliation:
European Molecular Biology Laboratory, Meyerhofstrasse 1, 69117 Heidelberg, Germany.
Data Bank Information
Bank Name/Acc. No.:
PDB/1H5P
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MeSH Terms
Descriptor/Qualifier:
Amino Acid Motifs
Amino Acid Sequence
Animals
Antigens, Nuclear*
Autoantigens / chemistry*,  genetics,  metabolism*
Base Sequence
Binding Sites
Cell Line
Chromatin / genetics,  metabolism
Conserved Sequence
DNA / genetics,  metabolism*
DNA-Binding Proteins / chemistry*,  genetics,  metabolism*
Gene Expression Regulation*
Genes, Reporter / genetics
Models, Molecular
Molecular Sequence Data
Nuclear Magnetic Resonance, Biomolecular
Nuclear Proteins / chemistry*,  genetics,  metabolism*
Point Mutation / genetics
Protein Binding
Protein Structure, Secondary
Protein Structure, Tertiary
Sequence Alignment
Static Electricity
Transcription, Genetic*
Chemical
Reg. No./Substance:
0/Antigens, Nuclear; 0/Autoantigens; 0/Chromatin; 0/DNA-Binding Proteins; 0/Nuclear Proteins; 135844-47-2/Sp100 protein, human; 9007-49-2/DNA
Comments/Corrections
Comment In:
Nat Struct Biol. 2001 Jul;8(7):568-70   [PMID:  11427878 ]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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