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(-) Description

Title :  CRYSTAL STRUCTURE OF MAGNESIUM TRANSPORTER MGTE CYTOSOLIC DOMAIN, MG2+ BOUND FORM
 
Authors :  M. Hattori, Y. Tanaka, S. Fukai, R. Ishitani, O. Nureki
Date :  18 Apr 07  (Deposition) - 04 Sep 07  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.30
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (2x)
Keywords :  Membrane Protein, Transport Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. Hattori, Y. Tanaka, S. Fukai, R. Ishitani, O. Nureki
Crystal Structure Of The Mgte Mg(2+) Transporter
Nature V. 448 1072 2007
PubMed-ID: 17700703  |  Reference-DOI: 10.1038/NATURE06093

(-) Compounds

Molecule 1 - MG2+ TRANSPORTER MGTE
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET15B
    Expression System Strain: C41 (DE3)
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Fragment: CYTOSOLIC DOMAIN
    Organism Scientific: THERMUS THERMOPHILUS
    Organism Taxid: 300852
    Strain: HB8
    Synonym: MGTE

 Structural Features

(-) Chains, Units

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

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric Unit (1, 2)
No.NameCountTypeFull Name
1MG2Ligand/IonMAGNESIUM ION
Biological Unit 1 (0, 0)
No.NameCountTypeFull Name
1MG-1Ligand/IonMAGNESIUM ION

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASP A:91 , ASP A:247 , HOH A:278 , HOH A:279 , HOH A:318BINDING SITE FOR RESIDUE MG A 276
2AC2SOFTWAREASP A:95 , GLY A:136 , HOH A:280 , HOH A:281 , HOH A:282 , HOH A:283BINDING SITE FOR RESIDUE MG A 277

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (1, 2)

Asymmetric Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1CBSPS51371 CBS domain profile.MGTE_THET8138-200
202-258		  2A:138-200
A:202-252
Biological Unit 1 (1, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1CBSPS51371 CBS domain profile.MGTE_THET8138-200
202-258		  4A:138-200
A:202-252

(-) Exons   (0, 0)

(no "Exon" information available for 2YVY)

(-) 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:248
 aligned with MGTE_THET8 | Q5SMG8 from UniProtKB/Swiss-Prot  Length:450

    Alignment length:248
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244        
           MGTE_THET8     5 LAVSLQEALQEGDTRALREVLEEIHPQDLLALWDELKGEHRYVVLTLLPKAKAAEVLSHLSPEEQAEYLKTLPPWRLREILEELSLDDLADALQAVRKEDPAYFQRLKDLLDPRTRAEVEALARYEEDEAGGLMTPEYVAVREGMTVEEVLRFLRRAAPDAETIYYIYVVDEKGRLKGVLSLRDLIVADPRTRVAEIMNPKVVYVRTDTDQEEVARLMADYDFTVLPVVDEEGRLVGIVTVDDVLDVL 252
               SCOP domains d2yvya1 A:5-131 automated matches                                                                                              d2yvya2 A:132-252 automated matches                                                                                       SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) -----------------------MgtE_N-2yvyA01 A:28-132                                                                                  -----------------------------------------------------------------CBS-2yvyA02 A:198-252                                   Pfam domains (1)
           Pfam domains (2) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------CBS-2yvyA03 A:198-252                                   Pfam domains (2)
         Sec.struct. author ....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhh......ee....hhhhhhhhhhhhh.......eeeee.....eeeeeehhhhhhh................ee...hhhhhhhhhhhhh..eeeee.....eeeeeehhhhhhhh Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------CBS  PDB: A:138-200 UniProt: 138-200                           -CBS  PDB: A:202-252 UniProt: 202-258                PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2yvy A   5 LAVSLQEALQEGDTRALREVLEEIHPQDLLALWDELKGEHRYVVLTLLPKAKAAEVLSHLSPEEQAEYLKTLPPWRLREILEELSLDDLADALQAVRKEDPAYFQRLKDLLDPRTRAEVEALARYEEDEAGGLMTPEYVAVREGMTVEEVLRFLRRAAPDAETIYYIYVVDEKGRLKGVLSLRDLIVADPRTRVAEIMNPKVVYVRTDTDQEEVARLMADYDFTVLPVVDEEGRLVGIVTVDDVLDVL 252
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154       164       174       184       194       204       214       224       234       244
   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  (2, 2)

Asymmetric Unit
(-)
Class: All alpha proteins (14657)
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (2, 3)

Asymmetric Unit
(-)
Clan: FliG (8)
(-)
Clan: no clan defined [family: CBS] (51)

(-) Gene Ontology  (13, 13)

Asymmetric Unit(hide GO term definitions)
Chain A   (MGTE_THET8 | Q5SMG8)
molecular function
    GO:0008324    cation transmembrane transporter activity    Enables the transfer of cation from one side of the membrane to the other.
    GO:0000287    magnesium ion binding    Interacting selectively and non-covalently with magnesium (Mg) ions.
    GO:0015095    magnesium ion transmembrane transporter activity    Enables the transfer of magnesium (Mg) ions from one side of a membrane to the other.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0042803    protein homodimerization activity    Interacting selectively and non-covalently with an identical protein to form a homodimer.
biological process
    GO:0098655    cation transmembrane transport    A process in which a cation is transported from one side of a membrane to the other by means of some agent such as a transporter or pore.
    GO:0006812    cation transport    The directed movement of cations, atoms or small molecules with a net positive charge, into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:1903830    magnesium ion transmembrane transport    The directed movement of magnesium ion across a membrane.
    GO:0015693    magnesium ion transport    The directed movement of magnesium (Mg) ions 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:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

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 Related Entries

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

UniProtKB/Swiss-Prot
        MGTE_THET8 | Q5SMG8: 2yvx 2yvz 2zy9 4u9l 4u9n 4wib

(-) Related Entries Specified in the PDB File

2yvx 2yvz