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(-) Description

Title :  IMPROVED CRYSTAL STRUCTURE OF MAGNESIUM TRANSPORTER MGTE
 
Authors :  O. Nureki, R. Ishitani, M. Hattori
Date :  19 Jan 09  (Deposition) - 01 Dec 09  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.94
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Membrane Protien, Metal Transport (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. Hattori, N. Iwase, N. Furuya, Y. Tanaka, T. Tsukazaki, R. Ishitani, M. E. Maguire, K. Ito, A. Maturana, O. Nureki
Mg(2+)-Dependent Gating Of Bacterial Mgte Channel Underlies Mg(2+) Homeostasis
Embo J. V. 28 3602 2009
PubMed-ID: 19798051  |  Reference-DOI: 10.1038/EMBOJ.2009.288

(-) Compounds

Molecule 1 - MG2+ TRANSPORTER MGTE
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET28A
    Expression System Strain: C41(DE3)
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: MGTE
    Organism Scientific: THERMUS THERMOPHILUS
    Organism Taxid: 300852
    Strain: HB8
    Synonym: MAGNESIUM TRANSPORTER

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 13)

Asymmetric/Biological Unit (1, 13)
No.NameCountTypeFull Name
1MG13Ligand/IonMAGNESIUM ION

(-) Sites  (9, 9)

Asymmetric Unit (9, 9)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASP A:259 , ASP A:418BINDING SITE FOR RESIDUE MG A 453
2AC2SOFTWAREASP A:91 , ASP A:92 , THR A:244 , ASP A:247BINDING SITE FOR RESIDUE MG A 454
3AC3SOFTWAREALA A:223 , ASP A:226 , ASP B:250BINDING SITE FOR RESIDUE MG A 455
4AC4SOFTWAREASP A:95 , GLN A:98 , GLY A:136BINDING SITE FOR RESIDUE MG A 456
5AC5SOFTWAREASP B:226BINDING SITE FOR RESIDUE MG B 451
6AC6SOFTWAREASP B:259BINDING SITE FOR RESIDUE MG B 453
7AC7SOFTWAREASP B:91 , GLU B:166 , ASP B:247BINDING SITE FOR RESIDUE MG B 454
8AC8SOFTWAREASP A:246 , ASP A:250 , ALA B:223 , ASP B:226BINDING SITE FOR RESIDUE MG A 457
9AC9SOFTWAREASP B:95 , GLY B:136BINDING SITE FOR RESIDUE MG B 455

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2ZY9)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2ZY9)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2ZY9)

(-) PROSITE Motifs  (1, 4)

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

(-) Exons   (0, 0)

(no "Exon" information available for 2ZY9)

(-) 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:427
 aligned with MGTE_THET8 | Q5SMG8 from UniProtKB/Swiss-Prot  Length:450

    Alignment length:427
                                    32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352       362       372       382       392       402       412       422       432       442       
           MGTE_THET8    23 EVLEEIHPQDLLALWDELKGEHRYVVLTLLPKAKAAEVLSHLSPEEQAEYLKTLPPWRLREILEELSLDDLADALQAVRKEDPAYFQRLKDLLDPRTRAEVEALARYEEDEAGGLMTPEYVAVREGMTVEEVLRFLRRAAPDAETIYYIYVVDEKGRLKGVLSLRDLIVADPRTRVAEIMNPKVVYVRTDTDQEEVARLMADYDFTVLPVVDEEGRLVGIVTVDDVLDVLEAEATEDIHKLGAVDVPDLVYSEAGPVALWLARVRWLVILILTGMVTSSILQGFESVLEAVTALAFYVPVLLGTGGNTGNQSATLIIRALATRDLDLRDWRRVFLKEMGVGLLLGLTLSFLLVGKVYWDGHPLLLPVVGVSLVLIVFFANLVGAMLPFLLRRLGVDPALVSNPLVATLSDVTGLLIYLSVARLLLEA 449
               SCOP domains d2zy9a1 A:23-131 Magnesium transporter MgtE                                                                  d2zy9a2 A:132-275 Magnesium transporter MgtE                                                                                                    d2zy9a3 A:276-449 Mg2+ transporter MgtE                                                                                                                                        SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------2zy9A03 A:276-449 Magnesium transporter mgtE                                                                                                                                   CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhh.............eeee....hhhhhhhhhhhhhhhh.eeeeeeee.....eeeeeehhhhhhh....hhhhh.......ee...hhhhhhhhhhhhh..eeeee.....eeeeeehhhhhhhhhhhhhhhhhhhh............hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------CBS  PDB: A:138-200 UniProt: 138-200                           -CBS  PDB: A:202-258 UniProt: 202-258                     ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2zy9 A  23 EVLEEIHPQDLLALWDELKGEHRYVVLTLLPKAKAAEVLSHLSPEEQAEYLKTLPPWRLREILEELSLDDLADALQAVRKEDPAYFQRLKDLLDPRTRAEVEALARYEEDEAGGLMTPEYVAVREGMTVEEVLRFLRRAAPDAETIYYIYVVDEKGRLKGVLSLRDLIVADPRTRVAEIMNPKVVYVRTDTDQEEVARLMADYDFTVLPVVDEEGRLVGIVTVDDVLDVLEAEATEDIHKLGAVDVPDLVYSEAGPVALWLARVRWLVILILTGMVTSSILQGFESVLEAVTALAFYVPVLLGTGGNTGNQSATLIIRALATRDLDLRDWRRVFLKEMGVGLLLGLTLSFLLVGKVYWDGHPLLLPVVGVSLVLIVFFANLVGAMLPFLLRRLGVDPALVSNPLVATLSDVTGLLIYLSVARLLLEA 449
                                    32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352       362       372       382       392       402       412       422       432       442       


Chain B from PDB  Type:PROTEIN  Length:429
 aligned with MGTE_THET8 | Q5SMG8 from UniProtKB/Swiss-Prot  Length:450

    Alignment length:429
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219       229       239       249       259       269       279       289       299       309       319       329       339       349       359       369       379       389       399       409       419       429       439         
           MGTE_THET8    20 ALREVLEEIHPQDLLALWDELKGEHRYVVLTLLPKAKAAEVLSHLSPEEQAEYLKTLPPWRLREILEELSLDDLADALQAVRKEDPAYFQRLKDLLDPRTRAEVEALARYEEDEAGGLMTPEYVAVREGMTVEEVLRFLRRAAPDAETIYYIYVVDEKGRLKGVLSLRDLIVADPRTRVAEIMNPKVVYVRTDTDQEEVARLMADYDFTVLPVVDEEGRLVGIVTVDDVLDVLEAEATEDIHKLGAVDVPDLVYSEAGPVALWLARVRWLVILILTGMVTSSILQGFESVLEAVTALAFYVPVLLGTGGNTGNQSATLIIRALATRDLDLRDWRRVFLKEMGVGLLLGLTLSFLLVGKVYWDGHPLLLPVVGVSLVLIVFFANLVGAMLPFLLRRLGVDPALVSNPLVATLSDVTGLLIYLSVARLLLE 448
               SCOP domains d2zy9b1 B:20-131 Magnesium transporter MgtE                                                                     d2zy9b2 B:132-275 Magnesium transporter MgtE                                                                                                    d2zy9b3 B:276-448 Mg2+ transporter MgtE                                                                                                                                       SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------2zy9B03 B:276-448 Magnesium transporter mgtE                                                                                                                                  CATH domains
           Pfam domains (1) --------MgtE_N-2zy9B01 B:28-132                                                                                  -----------------------------------------------------------------CBS-2zy9B03 B:198-254                                    ----------------------------------------------------------------MgtE-2zy9B07 B:319-443                                                                                                       ----- Pfam domains (1)
           Pfam domains (2) --------MgtE_N-2zy9B02 B:28-132                                                                                  -----------------------------------------------------------------CBS-2zy9B04 B:198-254                                    ----------------------------------------------------------------MgtE-2zy9B08 B:319-443                                                                                                       ----- Pfam domains (2)
           Pfam domains (3) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------CBS-2zy9B05 B:198-254                                    -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains (3)
           Pfam domains (4) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------CBS-2zy9B06 B:198-254                                    -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains (4)
         Sec.struct. author .........hhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhh....hhhhhh...eeee....hhhhhhhhhhhhhhhh.eeeeeeee.....eeeeee.hhhhhh................ee...hhhhhhhhhhhh...eeeee.......eeeehhhhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhh........ Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------CBS  PDB: B:138-200 UniProt: 138-200                           -CBS  PDB: B:202-258 UniProt: 202-258                     ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2zy9 B  20 ALREVLEEIHPQDLLALWDELKGEHRYVVLTLLPKAKAAEVLSHLSPEEQAEYLKTLPPWRLREILEELSLDDLADALQAVRKEDPAYFQRLKDLLDPRTRAEVEALARYEEDEAGGLMTPEYVAVREGMTVEEVLRFLRRAAPDAETIYYIYVVDEKGRLKGVLSLRDLIVADPRTRVAEIMNPKVVYVRTDTDQEEVARLMADYDFTVLPVVDEEGRLVGIVTVDDVLDVLEAEATEDIHKLGAVDVPDLVYSEAGPVALWLARVRWLVILILTGMVTSSILQGFESVLEAVTALAFYVPVLLGTGGNTGNQSATLIIRALATRDLDLRDWRRVFLKEMGVGLLLGLTLSFLLVGKVYWDGHPLLLPVVGVSLVLIVFFANLVGAMLPFLLRRLGVDPALVSNPLVATLSDVTGLLIYLSVARLLLE 448
                                    29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219       229       239       249       259       269       279       289       299       309       319       329       339       349       359       369       379       389       399       409       419       429       439
   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  (3, 6)

Asymmetric/Biological Unit
(-)
Class: All alpha proteins (14657)
(-)
Class: Alpha and beta proteins (a+b) (23004)
(-)
Class: Membrane and cell surface proteins and peptides (2046)

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (3, 8)

Asymmetric/Biological Unit
(-)
Clan: FliG (8)
(-)
Clan: no clan defined [family: CBS] (51)
(-)
Clan: no clan defined [family: MgtE] (2)

(-) Gene Ontology  (13, 13)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (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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  2zy9
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 Related Entries

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

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

(-) Related Entries Specified in the PDB File

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