1ap0

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STRUCTURE OF THE CHROMATIN BINDING (CHROMO) DOMAIN FROM MOUSE MODIFIER PROTEIN 1, NMR, 26 STRUCTURESSTRUCTURE OF THE CHROMATIN BINDING (CHROMO) DOMAIN FROM MOUSE MODIFIER PROTEIN 1, NMR, 26 STRUCTURES

Structural highlights

1ap0 is a 1 chain structure with sequence from Mus musculus. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:Solution NMR
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

CBX1_MOUSE Component of heterochromatin. Recognizes and binds histone H3 tails methylated at 'Lys-9', leading to epigenetic repression. Interaction with lamin B receptor (LBR) can contribute to the association of the heterochromatin with the inner nuclear membrane.

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

Publication Abstract from PubMed

The structure of a chromatin binding domain from mouse chromatin modifier protein 1 (MoMOD1) was determined using nuclear magnetic resonance (NMR) spectroscopy. The protein consists of an N-terminal three-stranded anti-parallel beta-sheet which folds against a C-terminal alpha-helix. The structure reveals an unexpected homology to two archaebacterial DNA binding proteins which are also involved in chromatin structure. Structural comparisons suggest that chromo domains, of which more than 40 are now known, act as protein interaction motifs and that the MoMOD1 protein acts as an adaptor mediating interactions between different proteins.

Structure of the chromatin binding (chromo) domain from mouse modifier protein 1.,Ball LJ, Murzina NV, Broadhurst RW, Raine AR, Archer SJ, Stott FJ, Murzin AG, Singh PB, Domaille PJ, Laue ED EMBO J. 1997 May 1;16(9):2473-81. PMID:9171360[1]

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

References

  1. Ball LJ, Murzina NV, Broadhurst RW, Raine AR, Archer SJ, Stott FJ, Murzin AG, Singh PB, Domaille PJ, Laue ED. Structure of the chromatin binding (chromo) domain from mouse modifier protein 1. EMBO J. 1997 May 1;16(9):2473-81. PMID:9171360 doi:10.1093/emboj/16.9.2473
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