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(-) Description

Title :  STRUCTURE OF TAFH DOMAIN OF THE HUMAN TAF4 SUBUNIT OF TFIID
 
Authors :  X. Wang, D. M. Truckses, S. Takada, T. Matsumura, N. Tanese, R. H. Jacobson
Date :  19 Mar 07  (Deposition) - 15 May 07  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (6x)
Keywords :  Alpha Helix, Transcription (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  X. Wang, D. M. Truckses, S. Takada, T. Matsumura, N. Tanese, R. H. Jacobson
Conserved Region I Of Human Coactivator Taf4 Binds To A Short Hydrophobic Motif Present In Transcriptional Regulators.
Proc. Natl. Acad. Sci. Usa V. 104 7839 2007
PubMed-ID: 17483474  |  Reference-DOI: 10.1073/PNAS.0608570104
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - TRANSCRIPTION INITIATION FACTOR TFIID SUBUNIT 4
    ChainsA
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPDEST15
    Expression System StrainBL21 (DE3) RIL
    Expression System Taxid562
    Expression System Vector TypePLASMID
    FragmentTAFH DOMAIN
    GeneTAF4, TAF2C, TAF2C1, TAF4A, TAFII130, TAFII135
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymTBP-ASSOCIATED FACTOR 4, TRANSCRIPTION INITIATION FACTOR TFIID 135 KDA SUBUNIT, TAFII, 135, TAFII-135, TAFII135, TAFII-130, TAFII130

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit A
Biological Unit 1 (6x)A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 9)

Asymmetric Unit (2, 9)
No.NameCountTypeFull Name
1MLY8Mod. Amino AcidN-DIMETHYL-LYSINE
2SO41Ligand/IonSULFATE ION
Biological Unit 1 (2, 54)
No.NameCountTypeFull Name
1MLY48Mod. Amino AcidN-DIMETHYL-LYSINE
2SO46Ligand/IonSULFATE ION

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWARESER A:646 , SER A:647BINDING SITE FOR RESIDUE SO4 A 700

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2P6V)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2P6V)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (1, 1)

Asymmetric Unit (1, 1)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_052258P651LTAF4_HUMANPolymorphism6089604AP650L

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 1 (1, 6)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_052258P651LTAF4_HUMANPolymorphism6089604AP650L

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (1, 1)

Asymmetric Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1TAFHPS51119 TAFH/NHR1 domain profile.TAF4_HUMAN590-687  1A:589-678
Biological Unit 1 (1, 6)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1TAFHPS51119 TAFH/NHR1 domain profile.TAF4_HUMAN590-687  6A:589-678

(-) Exons   (4, 4)

Asymmetric Unit (4, 4)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1aENST000002529961aENSE00001379037chr20:60640866-606395071360TAF4_HUMAN1-4544540--
1.2ENST000002529962ENSE00000897226chr20:60589763-60589603161TAF4_HUMAN454-507540--
1.3ENST000002529963ENSE00000897221chr20:60587990-60587871120TAF4_HUMAN508-547400--
1.4aENST000002529964aENSE00000897216chr20:60585221-60585102120TAF4_HUMAN548-587401A:582-5865
1.5aENST000002529965aENSE00000897212chr20:60584230-60584108123TAF4_HUMAN588-628411A:587-62741
1.6aENST000002529966aENSE00000897207chr20:60582692-6058260390TAF4_HUMAN629-658301A:628-65730
1.7bENST000002529967bENSE00000897200chr20:60581814-60581566249TAF4_HUMAN659-741831A:658-67821
1.8bENST000002529968bENSE00000897193chr20:60578934-60578787148TAF4_HUMAN742-791500--
1.9ENST000002529969ENSE00000897187chr20:60578330-60578216115TAF4_HUMAN791-829390--
1.11bENST0000025299611bENSE00000897178chr20:60575777-60575608170TAF4_HUMAN829-886580--
1.12ENST0000025299612ENSE00000897167chr20:60575310-60575180131TAF4_HUMAN886-929440--
1.13ENST0000025299613ENSE00001453942chr20:60574164-60574039126TAF4_HUMAN930-971420--
1.14aENST0000025299614aENSE00001453940chr20:60573248-6057319257TAF4_HUMAN972-990190--
1.15ENST0000025299615ENSE00000897149chr20:60572725-60572606120TAF4_HUMAN991-1030400--
1.16ENST0000025299616ENSE00001636878chr20:60551391-605498521540TAF4_HUMAN1031-1085550--

(-) Sequences/Alignments

Asymmetric 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:97
 aligned with TAF4_HUMAN | O00268 from UniProtKB/Swiss-Prot  Length:1085

    Alignment length:97
                                   592       602       612       622       632       642       652       662       672       
           TAF4_HUMAN   583 SSAATETMENVKKCKNFLSTLIKLASSGKQSTETAANVKELVQNLLDGKIEAEDFTSRLYRELNSSPQPYLVPFLKRSLPALRQLTPDSAAFIQQSQ 679
               SCOP domains d2p6va1 A:582-678 Transcription initiation factor TFIID subunit 4, TAF4                           SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------TAFH-2p6vA01 A:589-678                                                                     Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhh...hhhhhhhhhhhhh......hhhhhhhhhhhhhhhh..hhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------L---------------------------- SAPs(SNPs)
                    PROSITE -------TAFH  PDB: A:589-678 UniProt: 590-687                                                      PROSITE
               Transcript 1 1.4a Exon 1.5a  PDB: A:587-627                Exon 1.6a  PDB: A:628-657     Exon 1.7b             Transcript 1
                 2p6v A 582 SSAATETMENVkkCkNFLSTLIkLASSGkQSTETAANVkELVQNLLDGkIEAEDFTSRLYRELNSSPQPYLVPFLkRSLPALRQLTPDSAAFIQQSQ 678
                                   591 || |  601  |    611       621       631       641       651     | 661       671       
                                     593-MLY    604-MLY |       620-MLY   630-MLY                    657-MLY                 
                                      594-MLY         610-MLY                                                                
                                        596-MLY                                                                              

   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  (1, 1)

Asymmetric Unit

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2P6V)

(-) Pfam Domains  (1, 1)

Asymmetric Unit

(-) Gene Ontology  (22, 22)

Asymmetric Unit(hide GO term definitions)
Chain A   (TAF4_HUMAN | O00268)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
    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:0046982    protein heterodimerization activity    Interacting selectively and non-covalently with a nonidentical protein to form a heterodimer.
    GO:0003713    transcription coactivator activity    Interacting selectively and non-covalently with a activating transcription factor and also with the basal transcription machinery in order to increase the frequency, rate or extent of transcription. Cofactors generally do not bind the template nucleic acid, but rather mediate protein-protein interactions between activating transcription factors and the basal transcription machinery.
    GO:0003700    transcription factor activity, sequence-specific DNA binding    Interacting selectively and non-covalently with a specific DNA sequence in order to modulate transcription. The transcription factor may or may not also interact selectively with a protein or macromolecular complex.
biological process
    GO:0006352    DNA-templated transcription, initiation    Any process involved in the assembly of the RNA polymerase preinitiation complex (PIC) at the core promoter region of a DNA template, resulting in the subsequent synthesis of RNA from that promoter. The initiation phase includes PIC assembly and the formation of the first few bonds in the RNA chain, including abortive initiation, which occurs when the first few nucleotides are repeatedly synthesized and then released. The initiation phase ends just before and does not include promoter clearance, or release, which is the transition between the initiation and elongation phases of transcription.
    GO:0001541    ovarian follicle development    The process whose specific outcome is the progression of the ovarian follicle over time, from its formation to the mature structure.
    GO:0045893    positive regulation of transcription, DNA-templated    Any process that activates or increases the frequency, rate or extent of cellular DNA-templated transcription.
    GO:1901796    regulation of signal transduction by p53 class mediator    Any process that modulates the frequency, rate or extent of signal transduction by p53 class mediator.
    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:0006368    transcription elongation from RNA polymerase II promoter    The extension of an RNA molecule after transcription initiation and promoter clearance at an RNA polymerase II promoter by the addition of ribonucleotides catalyzed by RNA polymerase II.
    GO:0006366    transcription from RNA polymerase II promoter    The synthesis of RNA from a DNA template by RNA polymerase II, originating at an RNA polymerase II promoter. Includes transcription of messenger RNA (mRNA) and certain small nuclear RNAs (snRNAs).
    GO:0006367    transcription initiation from RNA polymerase II promoter    Any process involved in the assembly of the RNA polymerase II preinitiation complex (PIC) at an RNA polymerase II promoter region of a DNA template, resulting in the subsequent synthesis of RNA from that promoter. The initiation phase includes PIC assembly and the formation of the first few bonds in the RNA chain, including abortive initiation, which occurs when the first few nucleotides are repeatedly synthesized and then released. Promoter clearance, or release, is the transition between the initiation and elongation phases of transcription.
    GO:0006351    transcription, DNA-templated    The cellular synthesis of RNA on a template of DNA.
    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:0071339    MLL1 complex    A protein complex that can methylate lysine-4 of histone H3. MLL1/MLL is the catalytic methyltransferase subunit, and the complex also contains the core components ASH2L, HCFC1/HCF1 WDR5 and RBBP5.
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    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:0005669    transcription factor TFIID complex    A complex composed of TATA binding protein (TBP) and TBP associated factors (TAFs); the total mass is typically about 800 kDa. Most of the TAFs are conserved across species. In TATA-containing promoters for RNA polymerase II (Pol II), TFIID is believed to recognize at least two distinct elements, the TATA element and a downstream promoter element. TFIID is also involved in recognition of TATA-less Pol II promoters. Binding of TFIID to DNA is necessary but not sufficient for transcription initiation from most RNA polymerase II promoters.
    GO:0033276    transcription factor TFTC complex    A protein complex that does not contain either a TATA-binding protein (TBP) or a TBP-like factor, but is composed of several TAFIIs and other proteins, including a histone acetyltransferase. This complex is able to nucleate transcription initiation by RNA polymerase II, can mediate transcriptional activation, and has histone acetyltransferase activity.

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        TAF4_HUMAN | O002681h3o

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