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(-) Description

Title :  CRYSTAL STRUCTURE OF THE COMPLEX OF HUMAN CHROMOBOX HOMOLOG 5 (CBX5) WITH H3K9(ME)3 PEPTIDE
 
Authors :  M. F. Amaya, M. Ravichandran, P. Loppnau, I. Kozieradzki, A. M. Edwards C. H. Arrowsmith, J. Weigelt, C. Bountra, A. Bochkarev, J. Min, H. Ouya Structural Genomics Consortium (Sgc)
Date :  26 Nov 08  (Deposition) - 13 Jan 09  (Release) - 06 Apr 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym./Biol. Unit :  A,T
Keywords :  Chromobox Homolog5, Cbx5, H3K9(Me)3 Peptide, Structural Genomics, Structural Genomics Consortium, Sgc, Centromere, Nucleus, Phosphoprotein, Chromosomal Protein, Dna-Binding, Nucleosome Core, Protein Binding (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  L. Kaustov, H. Ouyang, M. Amaya, A. Lemak, N. Nady, S. Duan, G. A. Wasney Z. Li, M. Vedadi, M. Schapira, J. Min, C. H. Arrowsmith
Recognition And Specificity Determinants Of The Human Cbx Chromodomains.
J. Biol. Chem. V. 286 521 2011
PubMed-ID: 21047797  |  Reference-DOI: 10.1074/JBC.M110.191411

(-) Compounds

Molecule 1 - CHROMOBOX PROTEIN HOMOLOG 5
    ChainsA
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    GeneCBX5, HP1A
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymHETEROCHROMATIN PROTEIN 1 HOMOLOG ALPHA, HP1 ALPHA, ANTIGEN P25
 
Molecule 2 - H3K9(ME)3 PEPTIDE
    ChainsT
    EngineeredYES
    Other DetailsUNSPECIFIED
    SyntheticYES

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AT

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 1)

Asymmetric/Biological Unit (1, 1)
No.NameCountTypeFull Name
1M3L1Mod. Amino AcidN-TRIMETHYLLYSINE

(-) Sites  (0, 0)

(no "Site" information available for 3FDT)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3FDT)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3FDT)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3FDT)

(-) PROSITE Motifs  (2, 2)

Asymmetric/Biological Unit (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1CHROMO_2PS50013 Chromo and chromo shadow domain profile.CBX5_HUMAN20-78
121-179
  1A:4-52
-
2CHROMO_1PS00598 Chromo domain signature.CBX5_HUMAN37-57  1A:21-41

(-) Exons   (0, 0)

(no "Exon" information available for 3FDT)

(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it)
Chain A from PDB  Type:PROTEIN  Length:51
 aligned with CBX5_HUMAN | P45973 from UniProtKB/Swiss-Prot  Length:191

    Alignment length:51
                                    27        37        47        57        67 
            CBX5_HUMAN   18 EEYVVEKVLDRRVVKGQVEYLLKWKGFSEEHNTWEPEKNLDCPELISEFMK 68
               SCOP domains --------------------------------------------------- SCOP domains
               CATH domains 3fdtA00 A:2-52  [code=2.40.50.40, no name defined]  CATH domains
               Pfam domains --------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeeeeeeeeee..eeeeeeee...hhhhheeee...eehhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------- SAPs(SNPs)
                PROSITE (1) --CHROMO_2  PDB: A:4-52 UniProt: 20-78              PROSITE (1)
                PROSITE (2) -------------------CHROMO_1  PDB: A:21-4----------- PROSITE (2)
                 Transcript --------------------------------------------------- Transcript
                  3fdt A  2 EEYVVEKVLDRRVVKGQVEYLLKWKGFSEEHNTWEPEKNLDCPELISEFMK 52
                                    11        21        31        41        51 

Chain T from PDB  Type:PROTEIN  Length:10
 aligned with Q3BDD9_9INSE | Q3BDD9 from UniProtKB/TrEMBL  Length:125

    Alignment length:28
                                    11        21        
          Q3BDD9_9INSE    2 ARTKQTARXSTGGKAPRKQLATKAARKS 29
               SCOP domains ---------------------------- SCOP domains
               CATH domains ---------------------------- CATH domains
               Pfam domains ---------------------------- Pfam domains
         Sec.struct. author .....eee------------------.. Sec.struct. author
                 SAPs(SNPs) ---------------------------- SAPs(SNPs)
                    PROSITE ---------------------------- PROSITE
                 Transcript ---------------------------- Transcript
                  3fdt T 10 ARTKQTAR------------------kS 19
                                   | -         -      | 
                                  17                 18-M3L

   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
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  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (0, 0)

(no "SCOP Domain" information available for 3FDT)

(-) CATH Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3FDT)

(-) Gene Ontology  (30, 32)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (CBX5_HUMAN | P45973)
molecular function
    GO:0003682    chromatin binding    Interacting selectively and non-covalently with chromatin, the network of fibers of DNA, protein, and sometimes RNA, that make up the chromosomes of the eukaryotic nucleus during interphase.
    GO:0042826    histone deacetylase binding    Interacting selectively and non-covalently with the enzyme histone deacetylase.
    GO:0035064    methylated histone binding    Interacting selectively and non-covalently with a histone in which a residue has been modified by methylation. Histones are any of a group of water-soluble proteins found in association with the DNA of eukaroytic chromosomes.
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    GO:0030674    protein binding, bridging    The binding activity of a molecule that brings together two or more protein molecules, or a protein and another macromolecule or complex, through a selective, non-covalent, often stoichiometric interaction, permitting those molecules to function in a coordinated way.
    GO:0042803    protein homodimerization activity    Interacting selectively and non-covalently with an identical protein to form a homodimer.
    GO:0070491    repressing transcription factor binding    Interacting selectively and non-covalently with a transcription repressor, any protein whose activity is required to prevent or downregulate transcription.
biological process
    GO:0007596    blood coagulation    The sequential process in which the multiple coagulation factors of the blood interact, ultimately resulting in the formation of an insoluble fibrin clot; it may be divided into three stages: stage 1, the formation of intrinsic and extrinsic prothrombin converting principle; stage 2, the formation of thrombin; stage 3, the formation of stable fibrin polymers.
    GO:0045892    negative regulation of transcription, DNA-templated    Any process that stops, prevents, or reduces the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0016032    viral process    A multi-organism process in which a virus is a participant. The other participant is the host. Includes infection of a host cell, replication of the viral genome, and assembly of progeny virus particles. In some cases the viral genetic material may integrate into the host genome and only subsequently, under particular circumstances, 'complete' its life cycle.
cellular component
    GO:0016605    PML body    A class of nuclear body; they react against SP100 auto-antibodies (PML, promyelocytic leukemia); cells typically contain 10-30 PML bodies per nucleus; alterations in the localization of PML bodies occurs after viral infection.
    GO:0010369    chromocenter    A region in which centric, heterochromatic portions of one or more chromosomes form a compact structure.
    GO:0005694    chromosome    A structure composed of a very long molecule of DNA and associated proteins (e.g. histones) that carries hereditary information.
    GO:0000775    chromosome, centromeric region    The region of a chromosome that includes the centromeric DNA and associated proteins. In monocentric chromosomes, this region corresponds to a single area of the chromosome, whereas in holocentric chromosomes, it is evenly distributed along the chromosome.
    GO:0000792    heterochromatin    A compact and highly condensed form of chromatin.
    GO:0000118    histone deacetylase complex    A protein complex that possesses histone deacetylase activity.
    GO:0035097    histone methyltransferase complex    A multimeric complex that is able to catalyze the addition of methyl groups to histone proteins.
    GO:0000776    kinetochore    A multisubunit complex that is located at the centromeric region of DNA and provides an attachment point for the spindle microtubules.
    GO:0000784    nuclear chromosome, telomeric region    The terminal region of a linear nuclear chromosome that includes the telomeric DNA repeats and associated proteins.
    GO:0005635    nuclear envelope    The double lipid bilayer enclosing the nucleus and separating its contents from the rest of the cytoplasm; includes the intermembrane space, a gap of width 20-40 nm (also called the perinuclear space).
    GO:0005720    nuclear heterochromatin    A condensed form of chromatin, occurring in the nucleus during interphase, that stains strongly with basophilic dyes. The DNA of heterochromatin is typically replicated at a later stage in the cell-division cycle than euchromatin.
    GO:0031618    nuclear pericentric heterochromatin    Nuclear heterochromatin that is located adjacent to the CENP-A rich centromere 'central core' and characterized by the modified histone H3K9me3.
    GO:0005730    nucleolus    A small, dense body one or more of which are present in the nucleus of eukaryotic cells. It is rich in RNA and protein, is not bounded by a limiting membrane, and is not seen during mitosis. Its prime function is the transcription of the nucleolar DNA into 45S ribosomal-precursor RNA, the processing of this RNA into 5.8S, 18S, and 28S components of ribosomal RNA, and the association of these components with 5S RNA and proteins synthesized outside the nucleolus. This association results in the formation of ribonucleoprotein precursors; these pass into the cytoplasm and mature into the 40S and 60S subunits of the ribosome.
    GO:0005654    nucleoplasm    That part of the nuclear content other than the chromosomes or the nucleolus.
    GO:0005634    nucleus    A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
    GO:0005721    pericentric heterochromatin    Heterochromatin that is located adjacent to the CENP-A rich centromere 'central core' and characterized by the modified histone H3K9me3.
    GO:0017053    transcriptional repressor complex    A protein complex that possesses activity that prevents or downregulates transcription.

Chain T   (Q3BDD9_9INSE | Q3BDD9)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
    GO:0046982    protein heterodimerization activity    Interacting selectively and non-covalently with a nonidentical protein to form a heterodimer.
cellular component
    GO:0005694    chromosome    A structure composed of a very long molecule of DNA and associated proteins (e.g. histones) that carries hereditary information.
    GO:0000786    nucleosome    A complex comprised of DNA wound around a multisubunit core and associated proteins, which forms the primary packing unit of DNA into higher order structures.
    GO:0005634    nucleus    A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        CBX5_HUMAN | P459733i3c
UniProtKB/TrEMBL
        Q3BDD9_9INSE | Q3BDD92l3r

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