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(-) Description

Title :  STRUCTURAL BASIS FOR THE FUNCTION OF TIM50 IN THE MITOCHONDRIAL PRESEQUENCE TRANSLOCASE
 
Authors :  X. G. Qian, M. Gebert, J. Hpker, M. Yan, J. Z. Li, N. Wiedemann, M. V. D. Laa N. Pfanner, B. D. Sha
Date :  02 Feb 11  (Deposition) - 02 Mar 11  (Release) - 17 Aug 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.83
Chains :  Asym./Biol. Unit :  A
Keywords :  Chaperone, Mitochondrion, Preprotein Translocation (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  X. Qian, M. Gebert, J. Hopker, M. Yan, J. Li, N. Wiedemann, M. Van Der Laan, N. Pfanner, B. Sha
Structural Basis For The Function Of Tim50 In The Mitochondrial Presequence Translocase.
J. Mol. Biol. V. 411 513 2011
PubMed-ID: 21704637  |  Reference-DOI: 10.1016/J.JMB.2011.06.020

(-) Compounds

Molecule 1 - TIM50P
    ChainsA
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    FragmentUNP RESIDUES 162-361
    GeneEC1118_1P2_2410G
    Organism CommonBAKER'S YEAST
    Organism ScientificSACCHAROMYCES CEREVISIAE EC1118
    Organism Taxid643680
    StrainLALVIN EC1118 / PRISE DE MOUSSE

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 4)

Asymmetric/Biological Unit (3, 4)
No.NameCountTypeFull Name
11PE1Ligand/IonPENTAETHYLENE GLYCOL
2ACT1Ligand/IonACETATE ION
3CA2Ligand/IonCALCIUM ION

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREACT A:103 , GLU A:346 , ASP A:356 , VAL A:359 , HOH A:411BINDING SITE FOR RESIDUE CA A 101
2AC2SOFTWAREACT A:103 , GLU A:346 , ASP A:356 , HOH A:414 , HOH A:451BINDING SITE FOR RESIDUE CA A 102
3AC3SOFTWARECA A:101 , CA A:102 , PRO A:325 , GLU A:346 , ASP A:356 , VAL A:359 , LYS A:361 , HOH A:420BINDING SITE FOR RESIDUE ACT A 103
4AC4SOFTWAREARG A:322 , ASP A:356 , HIS A:357 , HOH A:451 , HOH A:481BINDING SITE FOR RESIDUE 1PE A 1002

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3QLE)

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Gln A:334 -Thr A:335

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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(-) PROSITE Motifs  (0, 0)

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(-) Exons   (0, 0)

(no "Exon" information available for 3QLE)

(-) 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    
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SAPs(SNPs) PROSITE motifs Exons
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Chain A from PDB  Type:PROTEIN  Length:182
 aligned with C8ZIW7_YEAS8 | C8ZIW7 from UniProtKB/TrEMBL  Length:476

    Alignment length:186
                                   185       195       205       215       225       235       245       255       265       275       285       295       305       315       325       335       345       355      
         C8ZIW7_YEAS8   176 FPDLLPPPPPPPYQRPLTLVITLEDFLVHSEWSQKHGWRTAKRPGADYFLGYLSQYYEIVLFSSNYMMYSDKIAEKLDPIHAFVSYNLFKEHCVYKDGVHIKDLSKLNRDLSKVIIIDTDPNSYKLQPENAIPMEPWNGEADDKLVRLIPFLEYLATQQTKDVRPILNSFEDKKNLAEEFDHRVKK 361
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ----------------NIF-3qleA01 A:192-339                                                                                                                               ---------------------- Pfam domains
         Sec.struct. author .........----...eeeeee.....eeeeee...eeeeee..hhhhhhhhhh..eeeeee...hhhhhhhhhhhh......eeeeehhhhheee..eee.hhhhh..hhh.eeeee........hhh.eee.........hhhhhhhhhhhhhhhh....hhhhhh...hhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 3qle A 176 FPDLLPPPP----QRPLTLVITLEDFLVHSEWSQKHGWRTAKRPGADYFLGYLSQYYEIVLFSSNYMMYSDKIAEKLDPIHAFVSYNLFKEHCVYKDGVHIKDLSKLNRDLSKVIIIDTDPNSYKLQPENAIPMEPWNGEADDKLVRLIPFLEYLATQQTKDVRPILNSFEDKKNLAEEFDHRVKK 361
                                    |-   |   195       205       215       225       235       245       255       265       275       285       295       305       315       325       335       345       355      
                                  184  189                                                                                                                                                                            

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  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (0, 0)

(no "SCOP Domain" information available for 3QLE)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3QLE)

(-) Pfam Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Clan: HAD (186)

(-) Gene Ontology  (4, 4)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (C8ZIW7_YEAS8 | C8ZIW7)
molecular function
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
biological process
    GO:0015031    protein transport    The directed movement of proteins into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
cellular component
    GO:0005743    mitochondrial inner membrane    The inner, i.e. lumen-facing, lipid bilayer of the mitochondrial envelope. It is highly folded to form cristae.
    GO:0005744    mitochondrial inner membrane presequence translocase complex    The protein transport machinery of the mitochondrial inner membrane that contains three essential Tim proteins: Tim17 and Tim23 are thought to build a preprotein translocation channel while Tim44 interacts transiently with the matrix heat-shock protein Hsp70 to form an ATP-driven import motor.

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    Gln A:334 - Thr A:335   [ RasMol ]  
 

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