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(-) Description

Title :  STRUCTURAL BASIS FOR MOLECULAR INTERACTIONS INVOLVING MRG DOMAINS: IMPLICATIONS IN CHROMATIN BIOLOGY
 
Authors :  T. Xie, I. Radhakrishnan
Date :  16 Oct 11  (Deposition) - 18 Jan 12  (Release) - 21 Mar 12  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A,B  (20x)
NMR Structure *:  A,B  (1x)
Keywords :  Protein-Protein Complex, Transcription (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  T. Xie, R. Graveline, G. S. Kumar, Y. Zhang, A. Krishnan, G. David, I. Radhakrishnan
Structural Basis For Molecular Interactions Involving Mrg Domains: Implications In Chromatin Biology.
Structure V. 20 151 2012
PubMed-ID: 22244764  |  Reference-DOI: 10.1016/J.STR.2011.10.019

(-) Compounds

Molecule 1 - PHD FINGER PROTEIN 12
    ChainsA
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System StrainBL21
    Expression System Taxid511693
    Expression System VectorPMCSG7
    FragmentUNP RESIDUES 200-241
    GenePHF12, KIAA1523
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymPHD FACTOR 1, PF1
 
Molecule 2 - MORTALITY FACTOR 4-LIKE PROTEIN 1
    ChainsB
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System StrainBL21
    Expression System Taxid511693
    Expression System VectorPMCSG7
    FragmentUNP RESIDUES 194-362
    GeneMORF4L1, MRG15, FWP006, HSPC008, HSPC061, PP368
    MutationYES
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymMORF-RELATED GENE 15 PROTEIN, PROTEIN MSL3-1, TRANSCRIPTION FACTOR-LIKE PROTEIN MRG15

 Structural Features

(-) Chains, Units

  12
NMR Structure (20x)AB
NMR Structure * (1x)AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 2LKM)

(-) Sites  (0, 0)

(no "Site" information available for 2LKM)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2LKM)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2LKM)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2LKM)

(-) PROSITE Motifs  (1, 1)

NMR Structure (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1MRGPS51640 MRG domain profile.MO4L1_HUMAN191-362  1B:155-323
NMR Structure * (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1MRGPS51640 MRG domain profile.MO4L1_HUMAN191-362  1B:155-323

(-) Exons   (5, 5)

NMR Structure (5, 5)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.2bENST000003312682bENSE00001829419chr15:79165211-79165399189MO4L1_HUMAN1-14140--
1.3ENST000003312683ENSE00001335587chr15:79170555-7917060147MO4L1_HUMAN14-29160--
1.4ENST000003312684ENSE00001335586chr15:79172854-7917292168MO4L1_HUMAN30-52230--
1.5ENST000003312685ENSE00001335584chr15:79177309-79177425117MO4L1_HUMAN52-91400--
1.6ENST000003312686ENSE00001335511chr15:79178483-7917856987MO4L1_HUMAN91-120300--
1.7ENST000003312687ENSE00001335510chr15:79179611-7917969181MO4L1_HUMAN120-147280--
1.8ENST000003312688ENSE00001335509chr15:79183331-7918335626MO4L1_HUMAN147-156100--
1.9ENST000003312689ENSE00001335507chr15:79183826-7918391489MO4L1_HUMAN156-185300--
1.10ENST0000033126810ENSE00001335505chr15:79184554-79184655102MO4L1_HUMAN186-219341B:152-18029
1.11ENST0000033126811ENSE00001335503chr15:79185881-7918596989MO4L1_HUMAN220-249301B:181-21030
1.12ENST0000033126812ENSE00001335501chr15:79186400-79186572173MO4L1_HUMAN249-307591B:210-26859
1.13ENST0000033126813ENSE00001335499chr15:79187162-7918724685MO4L1_HUMAN307-335291B:268-29629
1.14bENST0000033126814bENSE00001899262chr15:79189325-791904751151MO4L1_HUMAN335-362281B:296-32328

(-) Sequences/Alignments

NMR Structure
   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:42
 aligned with PHF12_HUMAN | Q96QT6 from UniProtKB/Swiss-Prot  Length:1004

    Alignment length:42
                                   209       219       229       239  
          PHF12_HUMAN   200 DYVQPQLRRPFELLIAAAMERNPTQFQLPNELTCTTALPGSS 241
               SCOP domains ------------------------------------------ SCOP domains
               CATH domains ------------------------------------------ CATH domains
               Pfam domains ------------------------------------------ Pfam domains
         Sec.struct. author .......hhhhhhhhhhhh....................... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------ PROSITE
                 Transcript ------------------------------------------ Transcript
                 2lkm A 200 DYVQPQLRRPFELLIAAAMERNPTQFQLPNELTCTTALPGSS 241
                                   209       219       229       239  

Chain B from PDB  Type:PROTEIN  Length:172
 aligned with MO4L1_HUMAN | Q9UBU8 from UniProtKB/Swiss-Prot  Length:362

    Alignment length:172
                                   200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360  
          MO4L1_HUMAN   191 NRVEVKVKIPEELKPWLVDDWDLITRQKQLFYLPAKKNVDSILEDYANYKKSRGNTDNKEYAVNEVVAGIKEYFNVMLGTQLLYKFERPQYAEILADHPDAPMSQVYGAPHLLRLFVRIGAMLAYTPLDEKSLALLLNYLHDFLKYLAKNSATLFSASDYEVAPPEYHRKAV 362
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .............hhhhhhhhhhhh...eee.......hhhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhh..........hhhhhhhhhh.....hhhh..hhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhh.hhhh.....eee...hhhhh.. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE MRG  PDB: B:155-323 UniProt: 191-362                                                                                                                                         PROSITE
           Transcript 1 (1) Exon 1.10  PDB: B:152-180    Exon 1.11  PDB: B:181-210     ---------------------------------------------------------Exon 1.13  PDB: B:268-296    --------------------------- Transcript 1 (1)
           Transcript 1 (2) ----------------------------------------------------------Exon 1.12  PDB: B:210-268 UniProt: 249-307                 ---------------------------Exon 1.14b  PDB: B:296-323   Transcript 1 (2)
                 2lkm B 152 SNAEVKVKIPEELKPWLVDDWDLITRQKQLFYLPAKKNVDSILEDYANYRKSRGNTDNKEYAVNEVVAGIKEYFNVMLGTQLLYKFERPQYAEILADHPDAPMSQVYGAPHLLRLFVRIGAMLAYTPLDEKSLALLLNYLHDFLKYLAKNSATLFSASDYEVAPPEYHRKAV 323
                                   161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311       321  

   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  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 2LKM)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2LKM)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2LKM)

(-) Gene Ontology  (30, 37)

NMR Structure(hide GO term definitions)
Chain A   (PHF12_HUMAN | Q96QT6)
molecular function
    GO:0000977    RNA polymerase II regulatory region sequence-specific DNA binding    Interacting selectively and non-covalently with a specific sequence of DNA that is part of a regulatory region that controls the transcription of a gene or cistron by RNA polymerase II.
    GO:0001106    RNA polymerase II transcription corepressor activity    Interacting selectively and non-covalently with an RNA polymerase II repressing transcription factor and also with the RNA polymerase II basal transcription machinery in order to stop, prevent, or reduce the frequency, rate or extent of transcription. Cofactors generally do not bind DNA, but rather mediate protein-protein interactions between repressive transcription factors and the basal transcription machinery.
    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:0042393    histone binding    Interacting selectively and non-covalently with a histone, any of a group of water-soluble proteins found in association with the DNA of eukaroytic chromosomes. They are involved in the condensation and coiling of chromosomes during cell division and have also been implicated in nonspecific suppression of gene activity.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0035091    phosphatidylinositol binding    Interacting selectively and non-covalently with any inositol-containing glycerophospholipid, i.e. phosphatidylinositol (PtdIns) and its phosphorylated derivatives.
    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:0001222    transcription corepressor binding    Interacting selectively and non-covalently with a transcription corepressor, any protein involved in negative regulation of transcription via protein-protein interactions with transcription factors and other proteins that negatively regulate transcription. Transcription corepressors do not bind DNA directly, but rather mediate protein-protein interactions between repressing transcription factors and the basal transcription machinery.
    GO:0008270    zinc ion binding    Interacting selectively and non-covalently with zinc (Zn) ions.
biological process
    GO:0000122    negative regulation of transcription from RNA polymerase II promoter    Any process that stops, prevents, or reduces the frequency, rate or extent of transcription from an RNA polymerase II promoter.
    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:0006355    regulation of transcription, DNA-templated    Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0006351    transcription, DNA-templated    The cellular synthesis of RNA on a template of DNA.
cellular component
    GO:0016580    Sin3 complex    A multiprotein complex that functions broadly in eukaryotic organisms as a transcriptional repressor of protein-coding genes, through the gene-specific deacetylation of histones. Amongst its subunits, the Sin3 complex contains Sin3-like proteins, and a number of core proteins that are shared with the NuRD complex (including histone deacetylases and histone binding proteins). The Sin3 complex does not directly bind DNA itself, but is targeted to specific genes through protein-protein interactions with DNA-binding proteins.
    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:0017053    transcriptional repressor complex    A protein complex that possesses activity that prevents or downregulates transcription.

Chain B   (MO4L1_HUMAN | Q9UBU8)
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:0047485    protein N-terminus binding    Interacting selectively and non-covalently with a protein N-terminus, the end of any peptide chain at which the 2-amino (or 2-imino) function of a constituent amino acid is not attached in peptide linkage to another amino-acid residue.
    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).
biological process
    GO:0006310    DNA recombination    Any process in which a new genotype is formed by reassortment of genes resulting in gene combinations different from those that were present in the parents. In eukaryotes genetic recombination can occur by chromosome assortment, intrachromosomal recombination, or nonreciprocal interchromosomal recombination. Intrachromosomal recombination occurs by crossing over. In bacteria it may occur by genetic transformation, conjugation, transduction, or F-duction.
    GO:0006281    DNA repair    The process of restoring DNA after damage. Genomes are subject to damage by chemical and physical agents in the environment (e.g. UV and ionizing radiations, chemical mutagens, fungal and bacterial toxins, etc.) and by free radicals or alkylating agents endogenously generated in metabolism. DNA is also damaged because of errors during its replication. A variety of different DNA repair pathways have been reported that include direct reversal, base excision repair, nucleotide excision repair, photoreactivation, bypass, double-strand break repair pathway, and mismatch repair pathway.
    GO:0008283    cell proliferation    The multiplication or reproduction of cells, resulting in the expansion of a cell population.
    GO:0006974    cellular response to DNA damage stimulus    Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus indicating damage to its DNA from environmental insults or errors during metabolism.
    GO:0006338    chromatin remodeling    Dynamic structural changes to eukaryotic chromatin occurring throughout the cell division cycle. These changes range from the local changes necessary for transcriptional regulation to global changes necessary for chromosome segregation.
    GO:0006342    chromatin silencing    Repression of transcription by altering the structure of chromatin, e.g. by conversion of large regions of DNA into an inaccessible state often called heterochromatin.
    GO:0000724    double-strand break repair via homologous recombination    The error-free repair of a double-strand break in DNA in which the broken DNA molecule is repaired using homologous sequences. A strand in the broken DNA searches for a homologous region in an intact chromosome to serve as the template for DNA synthesis. The restoration of two intact DNA molecules results in the exchange, reciprocal or nonreciprocal, of genetic material between the intact DNA molecule and the broken DNA molecule.
    GO:0043968    histone H2A acetylation    The modification of histone H2A by the addition of an acetyl group.
    GO:0043967    histone H4 acetylation    The modification of histone H4 by the addition of an acetyl group.
    GO:0016575    histone deacetylation    The modification of histones by removal of acetyl groups.
    GO:0040008    regulation of growth    Any process that modulates the frequency, rate or extent of the growth of all or part of an organism so that it occurs at its proper speed, either globally or in a specific part of the organism's development.
    GO:0006355    regulation of transcription, DNA-templated    Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0006351    transcription, DNA-templated    The cellular synthesis of RNA on a template of DNA.
cellular component
    GO:0035267    NuA4 histone acetyltransferase complex    A complex having histone acetylase activity on chromatin, as well as ATPase, DNA helicase and structural DNA binding activities. The complex is thought to be involved in double-strand DNA break repair. Subunits of the human complex include HTATIP/TIP60, TRRAP, RUVBL1, BUVBL2, beta-actin and BAF53/ACTL6A. In yeast, the complex has 13 subunits, including the catalytic subunit Esa1 (homologous to human Tip60).
    GO:0016580    Sin3 complex    A multiprotein complex that functions broadly in eukaryotic organisms as a transcriptional repressor of protein-coding genes, through the gene-specific deacetylation of histones. Amongst its subunits, the Sin3 complex contains Sin3-like proteins, and a number of core proteins that are shared with the NuRD complex (including histone deacetylases and histone binding proteins). The Sin3 complex does not directly bind DNA itself, but is targeted to specific genes through protein-protein interactions with DNA-binding proteins.
    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.

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 Related Entries

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

UniProtKB/Swiss-Prot
        MO4L1_HUMAN | Q9UBU82aql 2efi 2f5j 2f5k 2n1d
        PHF12_HUMAN | Q96QT62l9s

(-) Related Entries Specified in the PDB File

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