Show PDB file:   
         Plain Text   HTML   (compressed file size)
QuickSearch:   
by PDB,NDB,UniProt,PROSITE Code or Search Term(s)  
(-)Biol.Unit 1 - manually
(-)Asym.Unit - manually
(-)Asymmetric Unit
(-)Asym. Unit - sites
(-)Biological Unit 1
(-)Biol. Unit 1 - sites
(-)Biological Unit 2
collapse expand < >
Image Biol.Unit 1 - manually
Biol.Unit 1 - manually  (Jmol Viewer)
Image Asym.Unit - manually
Asym.Unit - manually  (Jmol Viewer)
Image Asymmetric Unit
Asymmetric Unit  (Jmol Viewer)
Image Asym. Unit - sites
Asym. Unit - sites  (Jmol Viewer)
Image Biological Unit 1
Biological Unit 1  (Jmol Viewer)
Image Biol. Unit 1 - sites
Biol. Unit 1 - sites  (Jmol Viewer)
Image Biological Unit 2
Biological Unit 2  (Jmol Viewer)

(-) Description

Title :  CRYSTAL STRUCTURE OF THE PHOSPHATE TRANSPORT SYSTEM REGULATORY PROTEIN PHOU FROM STREPTOCOCCUS PNEUMONIAE
 
Authors :  R. Zhang, H. Li, J. Abdullah, A. Joachimiak, Midwest Center For Stru Genomics (Mcsg)
Date :  10 Aug 06  (Deposition) - 19 Sep 06  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.40
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (2x)
Biol. Unit 2:  A  (1x)
Keywords :  Phou, Zinc-Binding Protein, Structural Genomics, Psi-2, Protein Structure Initiative, Midwest Center For Structural Genomics, Mcsg, Unknown Function (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  R. Zhang, H. Li, J. Abdullah, A. Joachimiak
Crystal Structure Of The Phosphate Transport System Regulatory Protein Phou From Streptococcus Pneumoniae
To Be Published 2006
PubMed: search

(-) Compounds

Molecule 1 - PHOSPHATE TRANSPORT SYSTEM PROTEIN PHOU
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21
    Expression System Plasmid: PDM68
    Expression System Strain: BL21
    Expression System Taxid: 511693
    Expression System Vector Type: PLASMID
    Gene: PHOU
    Organism Scientific: STREPTOCOCCUS PNEUMONIAE
    Organism Taxid: 170187
    Strain: TIGR4

 Structural Features

(-) Chains, Units

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

Summary Information (see also Sequences/Alignments below)

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

Asymmetric Unit (1, 3)
No.NameCountTypeFull Name
1ZN3Ligand/IonZINC ION
Biological Unit 1 (0, 0)
No.NameCountTypeFull Name
1ZN-1Ligand/IonZINC ION
Biological Unit 2 (0, 0)
No.NameCountTypeFull Name
1ZN-1Ligand/IonZINC ION

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASP A:152 , ASP A:156 , GLU A:191 , ASP A:195BINDING SITE FOR RESIDUE ZN A 217
2AC2SOFTWAREHIS A:10 , GLU A:117 , HIS A:120 , LYS A:124BINDING SITE FOR RESIDUE ZN A 218
3AC3SOFTWAREGLU A:91 , ASP A:95 , ASP A:214BINDING SITE FOR RESIDUE ZN A 219

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2I0M)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric Unit
No.Residues
1Glu A:109 -Asn A:110
2Gln A:111 -Leu A:112

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2I0M)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2I0M)

(-) Exons   (0, 0)

(no "Exon" information available for 2I0M)

(-) 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:207
 aligned with PHOU_STRPN | P0A3Y7 from UniProtKB/Swiss-Prot  Length:216

    Alignment length:212
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213  
           PHOU_STRPN     4 QFDLELHELEQSFLGLGQLVLETASKALLALASKDKEMAELIINKDHAINQGQSAIELTCARLLALQQPQVSDLRFVISIMSSCSDLERMGDHMAGIAKAVLQLKENQLAPDEEQLHQMGKLSLSMLADLLVAFPLHQASKAISIAQKDEQIDQYYYALSKEIIGLMKDQETSIPNGTQYLYIIGHLERFADYIANICERLVYLETGELVDL 215
               SCOP domains d2i0ma_ A: automated matches                                                                                                                                                                                         SCOP domains
               CATH domains 2i0mA01 A:4-111 Phosphate transport system protein phou homolog 2;   domain 2                               2i  0mA02 A:112-215 Phosphate transport system protein phou hom olog 2; domain 2                         CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..--.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.......--hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.....-hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2i0m A   4 QFDLELHELEQSFLGLGQLVLETASKALLALASKDKEMAELIINKDHAINQGQSAIELTCARLLAL--PQVSDLRFVISIMSSCSDLERMGDHMAGIAKAVLQLKENQLA--EEQLHQMGKLSLSMLADLLVAFPLHQASKAISIAQKDEQIDQYYYALSKEIIGLMKDQE-SIPNGTQYLYIIGHLERFADYIANICERLVYLETGELVDL 215
                                    13        23        33        43        53        63     |  73        83        93       103       113  |    123       133       143       153       163       173| |    183       193       203       213  
                                                                                            69 72                                      113  |                                                       174 |                                       
                                                                                                                                          116                                                         176
   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
(-)
Class: All alpha proteins (14657)

(-) CATH Domains  (1, 2)

Asymmetric Unit
(-)
Class: Mainly Alpha (13335)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2I0M)

(-) Gene Ontology  (7, 7)

Asymmetric Unit(hide GO term definitions)
Chain A   (PHOU_STRPN | P0A3Y7)
molecular function
    GO:0042803    protein homodimerization activity    Interacting selectively and non-covalently with an identical protein to form a homodimer.
biological process
    GO:0030643    cellular phosphate ion homeostasis    Any process involved in the maintenance of an internal steady state of phosphate ions at the level of a cell.
    GO:0045936    negative regulation of phosphate metabolic process    Any process that stops, prevents, or reduces the frequency, rate or extent of the chemical reactions and pathways involving phosphates.
    GO:2000186    negative regulation of phosphate transmembrane transport    Any process that stops, prevents, or reduces the frequency, rate or extent of phosphate transmembrane transport.
    GO:0006817    phosphate ion transport    The directed movement of phosphate into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0006810    transport    The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

 Visualization

(-) Interactive Views

Asymmetric Unit
  Complete Structure
    Jena3D(integrated viewing of ligand, site, SAP, PROSITE, SCOP information)
    WebMol | AstexViewer[tm]@PDBe
(Java Applets, require no local installation except for Java; loading may be slow)
    STRAP
(Java WebStart application, automatic local installation, requires Java; full application with system access!)
    RasMol
(require local installation)
    Molscript (VRML)
(requires installation of a VRML viewer; select preferred view via VRML and generate a mono or stereo PDF format file)
 
  Ligands, Modified Residues, Ions
    ZN  [ RasMol | Jena3D ]  +environment [ RasMol | Jena3D ]
 
  Sites
    AC1  [ RasMol ]  +environment [ RasMol ]
    AC2  [ RasMol ]  +environment [ RasMol ]
    AC3  [ RasMol ]  +environment [ RasMol ]
 
  Cis Peptide Bonds
    Gln A:111 - Leu A:112   [ RasMol ]  
    Glu A:109 - Asn A:110   [ RasMol ]  
 
Biological Units
  Complete Structure
    Biological Unit 1  [ Jena3D ]
    Biological Unit 2  [ Jena3D ]

(-) Still Images

Jmol
  protein: cartoon or spacefill or dots and stick; nucleic acid: cartoon and stick; ligands: spacefill; active site: stick
[ Asym. Unit PNG format | Asym. Unit - sites PNG format | Biol. Unit 1 PNG format | Biol. Unit 1 - sites PNG format | Biol. Unit 2 PNG format ](automatic orientation, automatically generated)
Molscript
  protein, nucleic acid: cartoon; ligands: spacefill; active site: ball and stick
[ mono PDF format | stereo PDF format ](default orientation, automatically generated)

 Databases and Analysis Tools

(-) Databases

Access by PDB/NDB ID
  2i0m
    Family and Domain Information: ProDom | SYSTERS
    General Structural Information: GlycoscienceDB | MMDB | NDB | OCA | PDB | PDBe | PDBj | PDBsum | PDBWiki | PQS | PROTEOPEDIA
    Orientation in Membranes: OPM
    Protein Surface: SURFACE
    Secondary Structure: DSSP (structure derived) | HSSP (homology derived)
    Structural Genomics: GeneCensus
    Structural Neighbours: CE | VAST
    Structure Classification: CATH | Dali | SCOP
    Validation and Original Data: BMRB Data View | BMRB Restraints Grid | EDS | PROCHECK | RECOORD | WHAT_CHECK
 
Access by UniProt ID/Accession number
  PHOU_STRPN | P0A3Y7
    Comparative Protein Structure Models: ModBase
    Genomic Information: Ensembl
    Protein-protein Interaction: DIP
    Sequence, Family and Domain Information: InterPro | Pfam | SMART | UniProtKB/SwissProt
 
Access by Enzyme Classificator   (EC Number)
  (no 'Enzyme Classificator' available)
    General Enzyme Information: BRENDA | EC-PDB | Enzyme | IntEnz
    Pathway: KEGG | MetaCyc
 
Access by Disease Identifier   (MIM ID)
  (no 'MIM ID' available)
    Disease Information: OMIM
 
Access by GenAge ID
  (no 'GenAge ID' available)
    Age Related Information: GenAge

(-) Analysis Tools

Access by PDB/NDB ID
    Domain Information: XDom
    Interatomic Contacts of Structural Units: CSU
    Ligand-protein Contacts: LPC
    Protein Cavities: castP
    Sequence and Secondary Structure: PDBCartoon
    Structure Alignment: STRAP(Java WebStart application, automatic local installation, requires Java; full application with system access!)
    Structure and Sequence Browser: STING
 
Access by UniProt ID/Accession number
  PHOU_STRPN | P0A3Y7
    Protein Disorder Prediction: DisEMBL | FoldIndex | GLOBPLOT (for more information see DisProt)

 Related Entries

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

(no "Entries Sharing at Least One Protein Chain" available for 2I0M)

(-) Related Entries Specified in the PDB File

1t8b 1T8B IS THE CRYSTAL STRUCTURE OF REFOLDED PHOU-LIKE PROTEIN (GI 2983430) FROM AQUIFEX AEOLICUS DETERMINED AT 3.23 ANGSTROM RESOLUTION