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(-) Description

Title :  DCOH, A BIFUNCTIONAL PROTEIN-BINDING TRANSCRIPTIONAL COACTIVATOR, PRO9LEU MUTANT
 
Authors :  T. H. Tahirov, E. Inagaki
Date :  27 Nov 03  (Deposition) - 18 Dec 03  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.30
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Transcriptional Stimulator, Dimerization Cofactor, Dehydratase, 4A-Carbinolamine Dehydratase, Transregulator Of Homeodomain Proteins, Riken Structural Genomics/Proteomics Initiative, Rsgi, Structural Genomics (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  T. H. Tahirov, E. Inagaki
Crystal Structure Of Transcriptional Coactivator Dcoh From Thermus Thermophilus
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - HEPATOCYTE NUCLEAR FACTOR 1-ALPHA
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET11A
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Organism Scientific: THERMUS THERMOPHILUS
    Organism Taxid: 300852
    Strain: HB8
    Synonym: DCOH

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 3)

Asymmetric/Biological Unit (1, 3)
No.NameCountTypeFull Name
1SO43Ligand/IonSULFATE ION

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASN A:20 , PHE A:21 , ARG A:22 , TRP A:48 , HOH A:2050 , HOH A:2104 , HOH A:2105 , GLU B:36 , HIS B:41 , HOH B:2057 , HOH B:2062BINDING SITE FOR RESIDUE SO4 A1079
2AC2SOFTWAREARG A:30 , THR A:64 , GLU A:65 , HOH A:2046 , HOH A:2090 , HOH A:2107 , ARG B:37BINDING SITE FOR RESIDUE SO4 A1080
3AC3SOFTWAREHIS A:41 , ASN B:20 , PHE B:21 , ARG B:22 , TRP B:48 , HOH B:2113 , HOH B:2114 , HOH B:2115 , HOH B:2116BINDING SITE FOR RESIDUE SO4 B1079

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1USO)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1Asn A:8 -Pro A:9
2Asn B:8 -Pro B:9

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1USO)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1USO)

(-) Exons   (0, 0)

(no "Exon" information available for 1USO)

(-) 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:78
 aligned with Q5SHC7_THET8 | Q5SHC7 from UniProtKB/TrEMBL  Length:80

    Alignment length:78
                                    11        21        31        41        51        61        71        
          Q5SHC7_THET8    2 DWEERENPKRLVKTFAFPNFREALDFANRVGALAERENHHPRLTVEWGRVTVEWWTHSAGGVTEKDREMARLTDALLQ 79
               SCOP domains d1usoa_ A:                                                                     SCOP domains
               CATH domains 1usoA00 A:2-79  [code=3.30.1360.20, no name defined]                           CATH domains
               Pfam domains ------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..eee....eeeeeee...hhhhhhhhhhhhhhhhhhh...eeeee..eeeeee........hhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------ Transcript
                  1uso A  2 DWEERENPKRLVKTFAFPNFREALDFANRVGALAERENHHPRLTVEWGRVTVEWWTHSAGGVTEKDREMARLTDALLQ 79
                                    11        21        31        41        51        61        71        


Chain B from PDB  Type:PROTEIN  Length:79
 aligned with Q5SHC7_THET8 | Q5SHC7 from UniProtKB/TrEMBL  Length:80

    Alignment length:79
                                    10        20        30        40        50        60        70         
          Q5SHC7_THET8    1 MDWEERENPKRLVKTFAFPNFREALDFANRVGALAERENHHPRLTVEWGRVTVEWWTHSAGGVTEKDREMARLTDALLQ 79
               SCOP domains d1usob_ B:                                                                      SCOP domains
               CATH domains 1usoB00 B:1-79  [code=3.30.1360.20, no name defined]                            CATH domains
           Pfam domains (1) Pterin_4a-1usoB01 B:1-79                                                        Pfam domains (1)
           Pfam domains (2) Pterin_4a-1usoB02 B:1-79                                                        Pfam domains (2)
         Sec.struct. author ...eee....eeeeeee...hhhhhhhhhhhhhhhhhhh...eeeee..eeeeee........hhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------- Transcript
                  1uso B  1 MDWEERENPKRLVKTFAFPNFREALDFANRVGALAERENHHPRLTVEWGRVTVEWWTHSAGGVTEKDREMARLTDALLQ 79
                                    10        20        30        40        50        60        70
   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  (1, 2)

Asymmetric/Biological Unit
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Clan: no clan defined [family: Pterin_4a] (7)

(-) Gene Ontology  (3, 3)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (Q5SHC7_THET8 | Q5SHC7)
molecular function
    GO:0008124    4-alpha-hydroxytetrahydrobiopterin dehydratase activity    Catalysis of the reaction: (6R)-6-(L-erythro-1,2-dihydroxypropyl)-5,6,7,8-tetrahydro-4a-hydroxypterin = (6R)-6-(L-erythro-1,2-dihydroxypropyl)-7,8-dihydro-6H-pterin + H(2)O.
    GO:0016829    lyase activity    Catalysis of the cleavage of C-C, C-O, C-N and other bonds by other means than by hydrolysis or oxidation, or conversely adding a group to a double bond. They differ from other enzymes in that two substrates are involved in one reaction direction, but only one in the other direction. When acting on the single substrate, a molecule is eliminated and this generates either a new double bond or a new ring.
biological process
    GO:0006729    tetrahydrobiopterin biosynthetic process    The chemical reactions and pathways resulting in the formation of tetrahydrobiopterin, the reduced form of biopterin (2-amino-4-hydroxy-6-(1,2-dihydroxypropyl)-pteridine). It functions as a hydroxylation coenzyme, e.g. in the conversion of phenylalanine to tyrosine.

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1usm DCOH, A BIFUNCTIONAL PROTEIN-BINDING TRANSCRIPTIONAL COACTIVATOR, PRO9LEU MUTANT