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(-) Description

Title :  STRUCTURE OF TOM71 COMPLEXED WITH HSP70 SSA1 C TERMINAL TAIL INDICATING CONFORMATIONAL PLASTICITY
 
Authors :  J. Z. Li, B. D Sha
Date :  10 Jan 10  (Deposition) - 22 Dec 10  (Release) - 22 Dec 10  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.19
Chains :  Asym./Biol. Unit :  A,Q
Keywords :  Chaperone, Conformational Plasticity, Membrane, Mitochondrion, Mitochondrion Outer Membrane, Tpr Repeat, Transmembrane, Transport Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  J. Li, W. Cui, B. Sha
The Structural Plasticity Of Tom71 For Mitochondrial Precursor Translocations.
Acta Crystallogr. , Sect. F V. 66 985 2010
PubMed-ID: 20823510  |  Reference-DOI: 10.1107/S1744309110025522

(-) Compounds

Molecule 1 - PROTEIN TOM71
    ChainsA
    FragmentTPR REPEATS 1-9, UNP RESIDUES 107-639
    Organism CommonYEAST
    Organism ScientificSACCHAROMYCES CEREVISIAE
    Organism Taxid4932
    Synonym71 KDA MITOCHONDRIAL OUTER MEMBRANE PROTEIN
 
Molecule 2 - HEAT SHOCK PROTEIN SSA1
    ChainsQ
    FragmentUNP RESIDUES 631-642
    Organism CommonYEAST
    Organism ScientificSACCHAROMYCES CEREVISIAE
    Organism Taxid4932
    SynonymHEAT SHOCK PROTEIN YG100

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AQ

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (1, 2)
No.NameCountTypeFull Name
1GOL2Ligand/IonGLYCEROL

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWARESER A:271 , ILE A:275 , TYR A:416 , GLN A:420 , TYR A:447BINDING SITE FOR RESIDUE GOL A 1
2AC2SOFTWARETYR A:291BINDING SITE FOR RESIDUE GOL A 2

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3LCA)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3LCA)

(-) PROSITE Motifs  (2, 9)

Asymmetric/Biological Unit (2, 9)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1TPRPS50005 TPR repeat profile.TOM71_YEAST127-160
161-194
378-411
412-445
480-513
530-563
564-597
  7A:127-160
A:161-194
A:378-411
A:412-445
A:480-513
A:530-563
A:564-597
2TPR_REGIONPS50293 TPR repeat region circular profile.TOM71_YEAST127-215
378-597
  2A:127-215
A:378-597

(-) Exons   (0, 0)

(no "Exon" information available for 3LCA)

(-) 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:482
 aligned with TOM71_YEAST | P38825 from UniProtKB/Swiss-Prot  Length:639

    Alignment length:514
                                   133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473       483       493       503       513       523       533       543       553       563       573       583       593       603       613       623       633    
          TOM71_YEAST   124 QAYAVQLKNRGNHFFTAKNFNEAIKYYQYAIELDPNEPVFYSNISACYISTGDLEKVIEFTTKALEIKPDHSKALLRRASANESLGNFTDAMFDLSVLSLNGDFDGASIEPMLERNLNKQAMKVLNENLSKDEGRGSQVLPSNTSLASFFGIFDSHLEVSSVNTSSNYDTAYALLSDALQRLYSATDEGYLVANDLLTKSTDMYHSLLSANTVDDPLRENAALALCYTGIFHFLKNNLLDAQVLLQESINLHPTPNSYIFLALTLADKENSQEFFKFFQKAVDLNPEYPPTYYHRGQMYFILQDYKNAKEDFQKAQSLNPENVYPYIQLACLLYKQGKFTESEAFFNETKLKFPTLPEVPTFFAEILTDRGDFDTAIKQYDIAKRLEEVQEKIHVGIGPLIGKATILARQSSQDPTQLDEEKFNAAIKLLTKACELDPRSEQAKIGLAQLKLQMEKIDEAIELFEDSAILARTMDEKLQATTFAEAAKIQKRLRADPIISAKMELTLARYRAKG 637
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhh.hhhhhhhhhhhhhhh-------hhhhhhhhhhhhhhhhhhhhhh-------....hhhhhhhhhh..hhhhhhhh.........hhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhh--------hhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhh.hhhhhhhhhhhh.----hhhhhhhhhhhhhhh..hhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhhh------.hhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ---TPR_REGION  PDB: A:127-215 UniProt: 127-215                                              ------------------------------------------------------------------------------------------------------------------------------------------------------------------TPR_REGION  PDB: A:378-597 UniProt: 378-597                                                                                                                                                                                 ---------------------------------------- PROSITE (1)
                PROSITE (2) ---TPR  PDB: A:127-160               TPR  PDB: A:161-194               ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------TPR  PDB: A:378-411               TPR  PDB: A:412-445               ----------------------------------TPR  PDB: A:480-513               ----------------TPR  PDB: A:530-563               TPR  PDB: A:564-597               ---------------------------------------- PROSITE (2)
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3lca A 124 QAYAVQLKNRGNHFFTAKNFNEAIKYYQYAIELDPNEPVFYSNISACYISTGDLEKVIEFTTKALEIKPDHSKALLRRASANESLGNFTDAMFDLSVLSLN-------IEPMLERNLNKQAMKVLNENLS-------QVLPSNTSLASFFGIFDSHLEVSSVNTSSNYDTAYALLSDALQRLYSATDEGYLVANDLLTKSTDMYHSL--------PLRENAALALCYTGIFHFLKNNLLDAQVLLQESINLHPTPNSYIFLALTLA----SQEFFKFFQKAVDLNPEYPPTYYHRGQMYFILQDYKNAKEDFQKAQSLNPENVYPYIQLACLLYKQGKFTESEAFFNETKLKFPTLPEVPTFFAEILTDRGDFDTAIKQYDIAKRLEEVQEKIHVGIGPLIGKATILARQS------LDEEKFNAAIKLLTKACELDPRSEQAKIGLAQLKLQMEKIDEAIELFEDSAILARTMDEKLQATTFAEAAKIQKRLRADPIISAKMELTLARYRAKG 637
                                   133       143       153       163       173       183       193       203       213       223|      233       243       253       263       273       283       293       303       313       323      |  -     | 343       353       363       373       383     |   -|      403       413       423       433       443       453       463       473       483       493       503       513       523       533|      543       553       563       573       583       593       603       613       623       633    
                                                                                                                              224     232                  253     261                                                                  330      339                                               389  394                                                                                                                                         534    541                                                                                                

Chain Q from PDB  Type:PROTEIN  Length:4
 aligned with HSP71_YEAST | P10591 from UniProtKB/Swiss-Prot  Length:642

    Alignment length:4
          HSP71_YEAST   639 EEVD 642
               SCOP domains ---- SCOP domains
               CATH domains ---- CATH domains
               Pfam domains ---- Pfam domains
         Sec.struct. author .... Sec.struct. author
                 SAPs(SNPs) ---- SAPs(SNPs)
                    PROSITE ---- PROSITE
                 Transcript ---- Transcript
                 3lca Q 639 EEVD 642

   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  (0, 0)

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

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3LCA)

(-) Gene Ontology  (30, 31)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (TOM71_YEAST | P38825)
molecular function
    GO:0015266    protein channel activity    Enables the energy-independent facilitated diffusion, mediated by passage of proteins through a transmembrane aqueous pore or channel.
biological process
    GO:0006626    protein targeting to mitochondrion    The process of directing proteins towards and into the mitochondrion, usually mediated by mitochondrial proteins that recognize signals contained within the imported protein.
    GO:0071806    protein transmembrane transport    The directed movement of a protein across a membrane by means of some agent such as a transporter or pore.
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:0031307    integral component of mitochondrial outer membrane    The component of the mitochondrial outer membrane consisting of the gene products 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:0005741    mitochondrial outer membrane    The outer, i.e. cytoplasm-facing, lipid bilayer of the mitochondrial envelope.
    GO:0005739    mitochondrion    A semiautonomous, self replicating organelle that occurs in varying numbers, shapes, and sizes in the cytoplasm of virtually all eukaryotic cells. It is notably the site of tissue respiration.

Chain Q   (HSP71_YEAST | P10591)
molecular function
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    GO:0016887    ATPase activity    Catalysis of the reaction: ATP + H2O = ADP + phosphate + 2 H+. May or may not be coupled to another reaction.
    GO:0000166    nucleotide binding    Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    GO:0000049    tRNA binding    Interacting selectively and non-covalently with transfer RNA.
    GO:0051082    unfolded protein binding    Interacting selectively and non-covalently with an unfolded protein.
biological process
    GO:0006616    SRP-dependent cotranslational protein targeting to membrane, translocation    The process during cotranslational membrane targeting wherein proteins move across a membrane. SRP and its receptor initiate the transfer of the nascent chain across the endoplasmic reticulum (ER) membrane; they then dissociate from the chain, which is transferred to a set of transmembrane proteins, collectively called the translocon. Once the nascent chain translocon complex is assembled, the elongating chain passes directly from the large ribosomal subunit into the centers of the translocon, a protein-lined channel within the membrane. The growing chain is never exposed to the cytosol and does not fold until it reaches the ER lumen.
    GO:0072318    clathrin coat disassembly    The disaggregation of a clathrin coat into its constituent components; results in stripping or removing the clathrin coat from clathrin-coated vesicles (CCV) before fusing with their targets. CVVs transport cargo from plasma membrane and trans-Golgi to the endosomal system.
    GO:0002181    cytoplasmic translation    The chemical reactions and pathways resulting in the formation of a protein in the cytoplasm. This is a ribosome-mediated process in which the information in messenger RNA (mRNA) is used to specify the sequence of amino acids in the protein.
    GO:0006457    protein folding    The process of assisting in the covalent and noncovalent assembly of single chain polypeptides or multisubunit complexes into the correct tertiary structure.
    GO:0000060    protein import into nucleus, translocation    A protein transport process that contributes to protein import into the nucleus, and that results in the vectorial transfer of a cargo-carrier protein complex through the nuclear pore complex from the cytoplasmic side to the nucleoplasmic side of the nuclear envelope.
    GO:0000209    protein polyubiquitination    Addition of multiple ubiquitin groups to a protein, forming a ubiquitin chain.
    GO:0042026    protein refolding    The process carried out by a cell that restores the biological activity of an unfolded or misfolded protein, using helper proteins such as chaperones.
    GO:0006626    protein targeting to mitochondrion    The process of directing proteins towards and into the mitochondrion, usually mediated by mitochondrial proteins that recognize signals contained within the imported protein.
    GO:0035617    stress granule disassembly    The disaggregation of a stress granule into its constituent protein and RNA parts.
cellular component
    GO:0005618    cell wall    The rigid or semi-rigid envelope lying outside the cell membrane of plant, fungal, most prokaryotic cells and some protozoan parasites, maintaining their shape and protecting them from osmotic lysis. In plants it is made of cellulose and, often, lignin; in fungi it is composed largely of polysaccharides; in bacteria it is composed of peptidoglycan; in protozoan parasites such as Giardia species, it's made of carbohydrates and proteins.
    GO:0005832    chaperonin-containing T-complex    A multisubunit ring-shaped complex that mediates protein folding in the cytosol without a cofactor.
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
    GO:0009277    fungal-type cell wall    A rigid yet dynamic structure surrounding the plasma membrane that affords protection from stresses and contributes to cell morphogenesis, consisting of extensively cross-linked glycoproteins and carbohydrates. The glycoproteins may be modified with N- or O-linked carbohydrates, or glycosylphosphatidylinositol (GPI) anchors; the polysaccharides are primarily branched glucans, including beta-linked and alpha-linked glucans, and may also include chitin and other carbohydrate polymers, but not cellulose or pectin. Enzymes involved in cell wall biosynthesis are also found in the cell wall. Note that some forms of fungi develop a capsule outside of the cell wall under certain circumstances; this is considered a separate structure.
    GO:0000329    fungal-type vacuole membrane    The lipid bilayer surrounding a vacuole, the shape of which correlates with cell cycle phase. The membrane separates its contents from the cytoplasm of the cell. An example of this structure is found in Saccharomyces cerevisiae.
    GO:0005634    nucleus    A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
    GO:0005844    polysome    A multiribosomal structure representing a linear array of ribosomes held together by messenger RNA. They represent the active complexes in cellular protein synthesis and are able to incorporate amino acids into polypeptides both in vivo and in vitro.

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 Related Entries

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

UniProtKB/Swiss-Prot
        TOM71_YEAST | P388253fp2 3fp3 3fp4

(-) Related Entries Specified in the PDB File

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