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(-) Description

Title :  CRYSTAL STRUCTURE OF RAT VITAMIN D RECEPTOR BOUND TO ADAMANTYL VITAMIN D ANALOGS: STRUCTURAL BASIS FOR VITAMIN D RECEPTOR ANTAGONISM AND/OR PARTIAL AGONISM
 
Authors :  M. Nakabayashi, S. Yamada, T. Tanaka, M. Igarashi, N. Yoshimoto, T. Ikura, N. Ito, M. Makishima, H. Tokiwa, H. F. Deluca, M. Shimizu
Date :  19 Apr 08  (Deposition) - 02 Sep 08  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.70
Chains :  Asym./Biol. Unit :  A,C
Keywords :  Nuclear Receptor-Antagonist Complex, Dna-Binding, Metal- Binding, Nucleus, Phosphoprotein, Receptor, Transcription, Transcription Regulation, Zinc, Zinc-Finger, Activator (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  M. Nakabayashi, S. Yamada, N. Yoshimoto, T. Tanaka, M. Igarashi, T. Ikura, N. Ito, M. Makishima, H. Tokiwa, H. F. Deluca, M. Shimizu
Crystal Structures Of Rat Vitamin D Receptor Bound To Adamantyl Vitamin D Analogs: Structural Basis For Vitamin D Receptor Antagonism And Partial Agonism
J. Med. Chem. V. 51 5320 2008
PubMed-ID: 18710208  |  Reference-DOI: 10.1021/JM8004477
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - VITAMIN D3 RECEPTOR
    ChainsA
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPET-14B
    Expression System StrainC41
    Expression System Taxid562
    Expression System Vector TypePLASMID
    FragmentLIGAND BINDING DOMAIN, UNP RESIDUES 116-423
    GeneVDR, NR1I1
    MutationYES
    Organism CommonRAT
    Organism ScientificRATTUS NORVEGICUS
    Organism Taxid10116
    SynonymVDR, 1,25-DIHYDROXYVITAMIN D3 RECEPTOR, NUCLEAR RECEPTOR SUBFAMILY 1 GROUP I MEMBER 1
 
Molecule 2 - MEDIATOR OF RNA POLYMERASE II TRANSCRIPTION SUBUNIT 1
    ChainsC
    EngineeredYES
    FragmentDRIP 205 NR2 BOX PEPTIDE, UNP RESIDUES 624-636
    Other DetailsSYNTHETIC PEPTIDE
    SynonymMEDIATOR COMPLEX SUBUNIT 1, PEROXISOME PROLIFERATOR-ACTIVATED RECEPTOR
    SyntheticYES

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AC

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 3)

Asymmetric/Biological Unit (3, 3)
No.NameCountTypeFull Name
1EDO1Ligand/Ion1,2-ETHANEDIOL
2FMT1Ligand/IonFORMIC ACID
3TT21Ligand/Ion(1R,3R,7E,17BETA)-17-{(1S,2E,5R)-5-HYDROXY-1-METHYL-5-[(3S,5S,7S)-TRICYCLO[3.3.1.1~3,7~]DEC-1-YL]PENT-2-EN-1-YL}-2-METHYLIDENE-9,10-SECOESTRA-5,7-DIENE-1,3-DIOL

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETYR A:143 , LEU A:223 , ALA A:227 , SER A:233 , MET A:268 , ARG A:270 , SER A:271 , SER A:274 , TRP A:282 , CYS A:284 , ALA A:299 , HIS A:301 , HIS A:393 , LEU A:410BINDING SITE FOR RESIDUE TT2 A 1
2AC2SOFTWAREPRO A:412 , LEU A:415 , ASN A:420 , HOH A:496BINDING SITE FOR RESIDUE EDO A 424
3AC3SOFTWARESER A:356 , HOH A:439BINDING SITE FOR RESIDUE FMT A 425

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Pro A:369 -Pro A:370

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2ZMI)

(-) Exons   (0, 0)

(no "Exon" information available for 2ZMI)

(-) 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:242
 aligned with VDR_RAT | P13053 from UniProtKB/Swiss-Prot  Length:423

    Alignment length:300
                                   130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420
              VDR_RAT   121 RPKLSEEQQHIIAILLDAHHKTYDPTYADFRDFRPPVRMDGSTGSYSPRPTLSFSGNSSSSSSDLYTTSLDMMEPSGFSNLDLNGEDSDDPSVTLDLSPLSMLPHLADLVSYSIQKVIGFAKMIPGFRDLTSDDQIVLLKSSAIEVIMLRSNQSFTMDDMSWDCGSQDYKYDVTDVSKAGHTLELIEPLIKFQVGLKKLNLHEEEHVLLMAICIVSPDRPGVQDAKLVEAIQDRLSNTLQTYIRCRHPPPGSHQLYAKMIQKLADLRSLNEEHSKQYRSLSFQPENSMKLTPLVLEVFGN 420
               SCOP domains d2zmia_ A: Vitamin D nuclear receptor                                                                                                                                                                                                                                                                        SCOP domains
               CATH domains 2zmiA00 A:121-420 Retinoid X Receptor                                                                                                                                                                                                                                                                        CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------Hormone_recep-2zmiA01 A:218-414                                                                                                                                                                      ------ Pfam domains
         Sec.struct. author ....hhhhhhhhhhhhhhhhhhh...hhhhhhh......----------------------------------------------------------....hhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhh...ee....eee......eehhhhhhh...hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhh........hhhhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2zmi A 121 RPKLSEEQQHIIAILLDAHHKTYDPTYADFRDFRPPVRM----------------------------------------------------------SPLSMLPHLADLVSYSIQKVIGFAKMIPGFRDLTSDDQIVLLKSSAIEVIMLRSNQSFTMDDMSWDCGSQDYKYDVTDVSKAGHTLELIEPLIKFQVGLKKLNLHEEEHVLLMAICIVSPDRPGVQDAKLVEAIQDRLSNTLQTYIRCRHPPPGSHQLYAKMIQKLADLRSLNEEHSKQYRSLSFQPENSMKLTPLVLEVFGN 420
                                   130       140       150        |-         -         -         -         -         -       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420
                                                                159                                                        218                                                                                                                                                                                                          

Chain C from PDB  Type:PROTEIN  Length:11
 aligned with MED1_XENTR | A1L0Z0 from UniProtKB/Swiss-Prot  Length:1573

    Alignment length:11
                                   633 
           MED1_XENTR   624 KNHPMLMNLLK 634
               SCOP domains ----------- SCOP domains
               CATH domains ----------- CATH domains
               Pfam domains ----------- Pfam domains
         Sec.struct. author ..hhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ----------- SAPs(SNPs)
                    PROSITE ----------- PROSITE
                 Transcript ----------- Transcript
                 2zmi C 625 KNHPMLMNLLK 635
                                   634 

   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/Biological Unit

(-) CATH Domains  (1, 1)

Asymmetric/Biological Unit

(-) Pfam Domains  (1, 1)

Asymmetric/Biological Unit

(-) Gene Ontology  (41, 45)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (VDR_RAT | P13053)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
    GO:1902098    calcitriol binding    Interacting selectively and non-covalently with calcitriol. Calcitriol (1,25-dihydroxycholecalciferol) is the hormonally active form of vitamin D3.
    GO:0008434    calcitriol receptor activity    Combining with calcitriol, the hormonally active form of vitamin D3, and transmitting the signal to the transcriptional machinery by interacting selectively and non-covalently with a specific DNA sequence in order to modulate transcription by RNA polymerase II.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    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:0043565    sequence-specific DNA binding    Interacting selectively and non-covalently with DNA of a specific nucleotide composition, e.g. GC-rich DNA binding, or with a specific sequence motif or type of DNA e.g. promotor binding or rDNA binding.
    GO:0003707    steroid hormone receptor activity    Combining with a steroid hormone and transmitting the signal within the cell to initiate a change in cell activity or function.
    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.
    GO:0005499    vitamin D binding    Interacting selectively and non-covalently with vitamin D, any of a group of related, fat-soluble compounds that are derived from delta-5,7 steroids and play a central role in calcium metabolism. Specific forms of vitamin D include calciferol (ergocalciferol; vitamin D2) and cholecalciferol (calciol; vitamin D3).
    GO:0008270    zinc ion binding    Interacting selectively and non-covalently with zinc (Zn) ions.
biological process
    GO:0007568    aging    A developmental process that is a deterioration and loss of function over time. Aging includes loss of functions such as resistance to disease, homeostasis, and fertility, as well as wear and tear. Aging includes cellular senescence, but is more inclusive. May precede death and may succeed developmental maturation (GO:0021700).
    GO:0097190    apoptotic signaling pathway    A series of molecular signals which triggers the apoptotic death of a cell. The pathway starts with reception of a signal, and ends when the execution phase of apoptosis is triggered.
    GO:0071305    cellular response to vitamin D    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 vitamin D stimulus.
    GO:0007507    heart development    The process whose specific outcome is the progression of the heart over time, from its formation to the mature structure. The heart is a hollow, muscular organ, which, by contracting rhythmically, keeps up the circulation of the blood.
    GO:0051924    regulation of calcium ion transport    Any process that modulates the frequency, rate or extent of the directed movement of calcium ions into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    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:0051592    response to calcium ion    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a calcium ion stimulus.
    GO:0032355    response to estradiol    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of stimulus by estradiol, a C18 steroid hormone hydroxylated at C3 and C17 that acts as a potent estrogen.
    GO:0043401    steroid hormone mediated signaling pathway    A series of molecular signals mediated by a steroid hormone binding to a receptor.
    GO:0006351    transcription, DNA-templated    The cellular synthesis of RNA on a template of DNA.
    GO:0070561    vitamin D receptor signaling pathway    The series of molecular signals generated as a consequence of a vitamin D receptor binding to one of its physiological ligands.
cellular component
    GO:0030315    T-tubule    Invagination of the plasma membrane of a muscle cell that extends inward from the cell surface around each myofibril. The ends of T-tubules make contact with the sarcoplasmic reticulum membrane.
    GO:0005901    caveola    A membrane raft that forms small pit, depression, or invagination that communicates with the outside of a cell and extends inward, indenting the cytoplasm and the cell membrane. Examples include flask-shaped invaginations of the plasma membrane in adipocytes associated with caveolin proteins, and minute pits or incuppings of the cell membrane formed during pinocytosis. Caveolae may be pinched off to form free vesicles within the cytoplasm.
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
    GO:0001651    dense fibrillar component    A structure found in the nucleolus, which contains newly synthesized preribosomal RNA (pre-rRNA) and a collection of proteins.
    GO:0000791    euchromatin    A dispersed and relatively uncompacted form of chromatin.
    GO:0000792    heterochromatin    A compact and highly condensed form of chromatin.
    GO:0043231    intracellular membrane-bounded organelle    Organized structure of distinctive morphology and function, bounded by a single or double lipid bilayer membrane and occurring within the cell. Includes the nucleus, mitochondria, plastids, vacuoles, and vesicles. Excludes the plasma membrane.
    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:0016363    nuclear matrix    The dense fibrillar network lying on the inner side of the nuclear membrane.
    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:0048471    perinuclear region of cytoplasm    Cytoplasm situated near, or occurring around, the nucleus.

Chain C   (MED1_XENTR | A1L0Z0)
molecular function
    GO:0001104    RNA polymerase II transcription cofactor activity    Interacting selectively and non-covalently with an RNA polymerase II (RNAP II) regulatory transcription factor and also with the RNAP II basal transcription machinery in order to modulate transcription. Cofactors generally do not bind DNA, but rather mediate protein-protein interactions between regulatory transcription factors and the basal RNAP II transcription machinery.
    GO:0042974    retinoic acid receptor binding    Interacting selectively and non-covalently with the retinoic acid receptor, a ligand-regulated transcription factor belonging to the nuclear receptor superfamily.
    GO:0046966    thyroid hormone receptor binding    Interacting selectively and non-covalently with a thyroid hormone receptor.
    GO:0030375    thyroid hormone receptor coactivator activity    The function of a transcription cofactor that activates transcription in conjunction with a thyroid hormone-dependent nuclear receptor from a RNA polymerase II promoter; does not bind DNA itself.
    GO:0042809    vitamin D receptor binding    Interacting selectively and non-covalently with the vitamin D receptor, a nuclear receptor that mediates the action of vitamin D by binding DNA and controlling the transcription of hormone-sensitive genes.
biological process
    GO:0097067    cellular response to thyroid hormone stimulus    A change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a thyroid hormone stimulus.
    GO:2000273    positive regulation of receptor activity    Any process that activates or increases the frequency, rate or extent of receptor activity.
    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: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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 Related Entries

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

UniProtKB/Swiss-Prot
        MED1_XENTR | A1L0Z02zmh 2zmj 2zxm 2zxn 3afr
        VDR_RAT | P130531rjk 1rk3 1rkg 1rkh 2o4j 2o4r 2zfx 2zl9 2zla 2zlc 2zmh 2zmj 2zxm 2zxn 3a2h 3afr 3aun 3vjs 3vjt 3vrt 3vru 3vrv 3vrw 3vt3 3vt4 3vt5 3vt6 3vt7 3vt8 3vt9 3vtb 3vtc 3vtd 3w0g 3w0h 3w0i 3w0j 3w5p 3w5q 3w5r 3w5t 3wt5 3wt6 3wt7 3wtq 4ynk 5awj 5awk 5b41 5b5b 5gic 5gid 5gie 5h1e

(-) Related Entries Specified in the PDB File

2zmh THE SAME PROTEIN COMPLEXED WITH ADNY
2zmj