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(-) Description

Title :  TPR2B-DOMAIN:PHSP70-COMPLEX OF YEAST STI1
 
Authors :  A. B. Schmid, S. Lagleder, M. A. Graewert, A. Roehl, F. Hagn, S. K. Wandin M. B. Cox, O. Demmer, K. Richter, M. Groll, H. Kessler
Date :  18 Nov 11  (Deposition) - 25 Jan 12  (Release) - 04 Apr 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.60
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Tpr-Fold, Adaptor Protein For Hsp70 And Hsp90, C-Terminal Part Of Hsp70, Peptide Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. B. Schmid, S. Lagleder, M. A. Grawert, A. Rohl, F. Hagn, S. K. Wandinger, M. B. Cox, O. Demmer, K. Richter, M. Groll, H. Kessler, J. Buchner
The Architecture Of Functional Modules In The Hsp90 Co-Chaperone Sti1/Hop.
Embo J. V. 31 1506 2012
PubMed-ID: 22227520  |  Reference-DOI: 10.1038/EMBOJ.2011.472

(-) Compounds

Molecule 1 - HEAT SHOCK PROTEIN STI1
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Fragment: TPR REPEATS 7-9, RESIDUES 395-518
    Gene: STI1, YOR027W, OR26.17
    Organism Common: BAKER'S YEAST
    Organism Scientific: SACCHAROMYCES CEREVISIAE
    Organism Taxid: 559292
    Strain: ATCC 204508 / S288C
 
Molecule 2 - HEAT SHOCK PROTEIN SSA4
    Chains: B
    Engineered: YES
    Fragment: UNP RESIDUES 636-642
    Organism Common: BAKER'S YEAST
    Organism Scientific: SACCHAROMYCES CEREVISIAE S288C
    Organism Taxid: 559292
    Other Details: HEPTAPEPTIDE;
C-TERMINUS OF HSP70 FROM YEAST
    Synthetic: YES

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 3UPV)

(-) Sites  (0, 0)

(no "Site" information available for 3UPV)

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (1, 2)

Asymmetric/Biological Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1TPRPS50005 TPR repeat profile.STI1_YEAST5-38
40-73
74-107
262-295
336-369
396-429
430-463		  2-
-
-
-
-
A:262-295
A:296-329

(-) Exons   (0, 0)

(no "Exon" information available for 3UPV)

(-) 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:125
 aligned with STI1_YEAST | P15705 from UniProtKB/Swiss-Prot  Length:589

    Alignment length:125
                                   402       412       422       432       442       452       462       472       482       492       502       512     
           STI1_YEAST   393 PEKAEEARLEGKEYFTKSDWPNAVKAYTEMIKRAPEDARGYSNRAAALAKLMSFPEAIADCNKAIEKDPNFVRAYIRKATAQIAVKEYASALETLDAARTKDAEVNNGSSAREIDQLYYKASQQR 517
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---TPR  PDB: A:262-295               TPR  PDB: A:296-329               ------------------------------------------------------ PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------- Transcript
                 3upv A 259 SMKAEEARLEGKEYFTKSDWPNAVKAYTEMIKRAPEDARGYSNRAAALAKLMSFPEAIADCNKAIEKDPNFVRAYIRKATAQIAVKEYASALETLDAARTKDAEVNNGSSAREIDQLYYKASQQR 383
                                   268       278       288       298       308       318       328       338       348       358       368       378     


Chain B from PDB  Type:PROTEIN  Length:7
 aligned with HSP74_YEAST | P22202 from UniProtKB/Swiss-Prot  Length:642

    Alignment length:7
          HSP74_YEAST   636 PTVEEVD 642
               SCOP domains ------- SCOP domains
               CATH domains ------- CATH domains
               Pfam domains ------- Pfam domains
         Sec.struct. author hhhhh.. Sec.struct. author
                 SAPs(SNPs) ------- SAPs(SNPs)
                    PROSITE ------- PROSITE
                 Transcript ------- Transcript
                 3upv B 650 PTVEEVD 656
   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 3UPV)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (16, 18)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (STI1_YEAST | P15705)
molecular function
    GO:0042030    ATPase inhibitor activity    Stops, prevents or reduces the activity of any enzyme that catalyzes the hydrolysis of ATP to ADP and orthophosphate.
    GO:0030544    Hsp70 protein binding    Interacting selectively and non-covalently with Hsp70 proteins, any of a group of heat shock proteins around 70kDa in size.
    GO:0051879    Hsp90 protein binding    Interacting selectively and non-covalently with Hsp90 proteins, any of a group of heat shock proteins around 90kDa in size.
    GO:0003729    mRNA binding    Interacting selectively and non-covalently with messenger RNA (mRNA), an intermediate molecule between DNA and protein. mRNA includes UTR and coding sequences, but does not contain introns.
    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).
biological process
    GO:0043086    negative regulation of catalytic activity    Any process that stops or reduces the activity of an enzyme.
    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:0008104    protein localization    Any process in which a protein is transported to, or maintained in, a specific location.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

Chain B   (HSP74_YEAST | P22202)
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: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:0034605    cellular response to heat    Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a heat stimulus, a temperature stimulus above the optimal temperature for that organism.
    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.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    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.

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 Related Entries

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

UniProtKB/Swiss-Prot
        STI1_YEAST | P15705: 2llv 2llw 3uq3

(-) Related Entries Specified in the PDB File

1elr CRYSTAL STRUCTURE OF THE TPR2A DOMAIN OF HOP IN COMPLEX WITH THE HSP90 PEPTIDE MEEVD
3esk STRUCTURE OF HOP TPR2A DOMAIN IN COMPLEX WITH THE NON- COGNATE HSC70 PEPTIDE LIGAND
3uq3