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(-) Description

Title :  NMR STRUCTURE OF THE FREE ZINC BINDING C-TERMINAL DOMAIN OF SECA
 
Authors :  W. M. Matousek, A. T. Alexandrescu
Date :  10 Jun 04  (Deposition) - 12 Oct 04  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (20x)
Keywords :  Zinc Finger, Beta Hairpin, Seca, Protein Transport (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  W. M. Matousek, A. T. Alexandrescu
Nmr Structure Of The C-Terminal Domain Of Seca In The Free State
Biochim. Biophys. Acta V. 1702 163 2004
PubMed-ID: 15488768  |  Reference-DOI: 10.1016/J.BBAPAP.2004.08.012
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - PREPROTEIN TRANSLOCASE SECA SUBUNIT
    ChainsA
    Organism ScientificESCHERICHIA COLI
    Organism Taxid562

 Structural Features

(-) Chains, Units

  
NMR Structure (20x)

Summary Information (see also Sequences/Alignments below)

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

NMR Structure (1, 1)
No.NameCountTypeFull Name
1ZN1Ligand/IonZINC ION

(-) Sites  (1, 1)

NMR Structure (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWARECYS A:6 , PRO A:7 , CYS A:8 , CYS A:17 , HIS A:18BINDING SITE FOR RESIDUE ZN A 23B

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1TM6)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1TM6)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1TM6)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1TM6)

(-) Exons   (0, 0)

(no "Exon" information available for 1TM6)

(-) Sequences/Alignments

NMR Structure
   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:22
 aligned with SECA_ECOLI | P10408 from UniProtKB/Swiss-Prot  Length:901

    Alignment length:22
                                   889       899  
           SECA_ECOLI   880 GRNDPCPCGSGKKYKQCHGRLQ 901
               SCOP domains d1tm6a_ A:             SCOP domains
               CATH domains ---------------------- CATH domains
               Pfam domains -SEC-C-1tm6A01 A:2-22  Pfam domains
         Sec.struct. author ...........hhhhhhh.... Sec.struct. author
                 SAPs(SNPs) ---------------------- SAPs(SNPs)
                    PROSITE ---------------------- PROSITE
                 Transcript ---------------------- Transcript
                 1tm6 A   1 GRNDPCPCGSGKKYKQCHGRLQ  22
                                    10        20  

   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  (1, 1)

NMR Structure

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 1TM6)

(-) Pfam Domains  (1, 1)

NMR Structure

(-) Gene Ontology  (20, 20)

NMR Structure(hide GO term definitions)
Chain A   (SECA_ECOLI | P10408)
molecular function
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    GO:0015462    ATPase-coupled protein transmembrane transporter activity    Catalysis of the transfer of a solute or solutes from one side of a membrane to the other according to the reaction: ATP + H2O + protein(out) = ADP + phosphate + protein(in).
    GO:0042802    identical protein binding    Interacting selectively and non-covalently with an identical protein or proteins.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    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).
biological process
    GO:0061077    chaperone-mediated protein folding    The process of inhibiting aggregation and assisting in the covalent and noncovalent assembly of single chain polypeptides or multisubunit complexes into the correct tertiary structure that is dependent on interaction with a chaperone.
    GO:0065002    intracellular protein transmembrane transport    The directed movement of proteins in a cell, from one side of a membrane to another by means of some agent such as a transporter or pore.
    GO:0006886    intracellular protein transport    The directed movement of proteins in a cell, including the movement of proteins between specific compartments or structures within a cell, such as organelles of a eukaryotic cell.
    GO:0017038    protein import    The targeting and directed movement of proteins into a cell or organelle. Not all import involves an initial targeting event.
    GO:0006605    protein targeting    The process of targeting specific proteins to particular regions of the cell, typically membrane-bounded subcellular organelles. Usually requires an organelle specific protein sequence motif.
    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.
    GO:0043952    protein transport by the Sec complex    The process in which unfolded proteins are transported across the cytoplasmic membrane in Gram-positive and Gram-negative bacteria by the Sec complex, in a process involving proteolytic cleavage of an N-terminal signal peptide.
    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:0031522    cell envelope Sec protein transport complex    A transmembrane protein complex involved in the translocation of proteins across the cytoplasmic membrane. In Gram-negative bacteria, Sec-translocated proteins are subsequently secreted via the type II, IV, or V secretion systems. Sec complex components include SecA, D, E, F, G, Y and YajC.
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
    GO:0005887    integral component of plasma membrane    The component of the plasma 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)

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        SECA_ECOLI | P104082fsf 2fsg 2fsh 2fsi 2vda 3bxz

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