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(-) Description

Title :  STRUCTURE OF THE MEDIATOR SUBUNIT CYCLIN C
 
Authors :  S. Hoeppner, S. Baumli, P. Cramer
Date :  16 May 05  (Deposition) - 19 Jul 05  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  3.00
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  A  (2x)
Keywords :  Cyclin Repeat Domains, Transcription-Cell Cycle Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  S. Hoeppner, S. Baumli, P. Cramer
Structure Of The Mediator Subunit Cyclin C And Its Implications For Cdk8 Function.
J. Mol. Biol. V. 350 833 2005
PubMed-ID: 15979093  |  Reference-DOI: 10.1016/J.JMB.2005.05.041

(-) Compounds

Molecule 1 - RNA POLYMERASE II HOLOENZYME CYCLIN-LIKE SUBUNIT
    ChainsA
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System StrainBL21-CODONPLUS (DE3)-RIL
    Expression System Taxid562
    Expression System VectorPET28D
    Expression System Vector TypePLASMID
    GeneSRB11
    Organism CommonFISSION YEAST
    Organism ScientificSCHIZOSACCHAROMYCES POMBE
    Organism Taxid4896
    SynonymSUPPRESSOR OF RNA POLYMERASE B SRB11

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit A
Biological Unit 1 (1x)A
Biological Unit 2 (2x)A

Summary Information (see also Sequences/Alignments below)

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

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 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
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  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:227
 aligned with SRB11_SCHPO | O94503 from UniProtKB/Swiss-Prot  Length:228

    Alignment length:227
                                                                                                                                                                                                                                                        228    
                                    15        25        35        45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205       215       225  |    
          SRB11_SCHPO     6 WASSQLTQLFLSTDLESLEPTCLSKDTIYQWKVVQTFGDRLRLRQRVLATAIVLLRRYMLKKNEEKGFSLEALVATCIYLSCKVEECPVHIRTICNEANDLWSLKVKLSRSNISEIEFEIISVLDAFLIVHHPYTSLEQAFHDGIINQKQLEFAWSIVNDSYASSLCLMAHPHQLAYAALLISCCNDENTIPKLLDLIKSTDAFKVILCVQRIISIYYFEDIE----   -
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------Cyclin_N-1zp2A01 A:12-133                                                                                                 --------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhh............hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhh....hhhhhhhhhhh........hhhhhhhhhhhhhhhh........hhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhh. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1zp2 A   6 WASSQLTQLFLSTDLESLEPTCLSKDTIYQWKVVQTFGDRLRLRQRVLATAIVLLRRYMLKKNEEKGFSLEALVATCIYLSCKVEECPVHIRTICNEANDLWSLKVKLSRSNISEIEFEIISVLDAFLIVHHPYTSLEQAFHDGIINQKQLEFAWSIVNDSYASSLCLMAHPHQLAYAALLISCCNDENTIPKLLDLIKSTDAFKVILCVQRIISIYYFEDIEAAAL 232
                                    15        25        35        45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205       215       225       

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 Classification and Annotation

(-) SCOP Domains  (0, 0)

(no "SCOP Domain" information available for 1ZP2)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 1ZP2)

(-) Pfam Domains  (1, 1)

Asymmetric Unit
(-)
Clan: Cyclin (63)

(-) Gene Ontology  (11, 11)

Asymmetric Unit(hide GO term definitions)
Chain A   (SRB11_SCHPO | O94503)
molecular function
    GO:0016538    cyclin-dependent protein serine/threonine kinase regulator activity    Modulates the activity of a cyclin-dependent protein serine/threonine kinase, enzymes of the protein kinase family that are regulated through association with cyclins and other proteins.
    GO:0003674    molecular_function    Elemental activities, such as catalysis or binding, describing the actions of a gene product at the molecular level. A given gene product may exhibit one or more molecular functions.
biological process
    GO:0045737    positive regulation of cyclin-dependent protein serine/threonine kinase activity    Any process that activates or increases the frequency, rate or extent of CDK activity.
    GO:1901409    positive regulation of phosphorylation of RNA polymerase II C-terminal domain    Any process that activates or increases the frequency, rate or extent of phosphorylation of RNA polymerase II C-terminal domain.
    GO:0045944    positive regulation of transcription from RNA polymerase II promoter    Any process that activates or increases the frequency, rate or extent of transcription from an RNA polymerase II promoter.
    GO:0006357    regulation of transcription from RNA polymerase II promoter    Any process that modulates the frequency, rate or extent of transcription from an RNA polymerase II promoter.
    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:0000307    cyclin-dependent protein kinase holoenzyme complex    Cyclin-dependent protein kinases (CDKs) are enzyme complexes that contain a kinase catalytic subunit associated with a regulatory cyclin partner.
    GO:0016592    mediator complex    A protein complex that interacts with the carboxy-terminal domain of the largest subunit of RNA polymerase II and plays an active role in transducing the signal from a transcription factor to the transcriptional machinery. The mediator complex is required for activation of transcription of most protein-coding genes, but can also act as a transcriptional corepressor. The Saccharomyces complex contains several identifiable subcomplexes: a head domain comprising Srb2, -4, and -5, Med6, -8, and -11, and Rox3 proteins; a middle domain comprising Med1, -4, and -7, Nut1 and -2, Cse2, Rgr1, Soh1, and Srb7 proteins; a tail consisting of Gal11p, Med2p, Pgd1p, and Sin4p; and a regulatory subcomplex comprising Ssn2, -3, and -8, and Srb8 proteins. Metazoan mediator complexes have similar modular structures and include homologs of yeast Srb and Med proteins.
    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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