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(-) Description

Title :  R29Q STICHOLYSIN II MUTANT
 
Authors :  I. Castrillo, J. Alegre-Cebollada, A. Martinez-Del-Pozo, J. Gavilan M. Bruix
Date :  10 Sep 10  (Deposition) - 22 Sep 10  (Release) - 22 Sep 10  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (20x)
NMR Structure *:  A  (1x)
Keywords :  Actinoporin, Sticholysin, Pore Forming Toxin, Toxin (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  I. Castrillo, J. Alegre-Cebollada, A. Martinez-Del-Pozo, J. Gavilanes, M. Bruix
Nmr Structure Of Stniir29Q, A Defective Lipid Binding Mutan Of The Sea Anemone Actinoporin Sticholysin Ii
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - STICHOLYSIN-2
    ChainsA
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPQE60
    Expression System Taxid562
    Expression System Vector TypePLASMID
    MutationYES
    Organism CommonCARRIBEAN SEA ANEMONE
    Organism ScientificSTICHODACTYLA HELIANTHUS
    Organism Taxid6123
    SynonymSTCH2, STICHOLYSIN II, STII, STNII, CYTOLYSIN ST II, CYTOLYSIN III, CYTOTOXIN

 Structural Features

(-) Chains, Units

  1
NMR Structure (20x)A
NMR Structure * (1x)A

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 2L38)

(-) Sites  (0, 0)

(no "Site" information available for 2L38)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2L38)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2L38)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2L38)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2L38)

(-) Exons   (0, 0)

(no "Exon" information available for 2L38)

(-) 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:175
 aligned with ACTP2_STIHL | P07845 from UniProtKB/Swiss-Prot  Length:175

    Alignment length:175
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170     
          ACTP2_STIHL     1 ALAGTIIAGASLTFQVLDKVLEELGKVSRKIAVGIDNESGGTWTALNAYFRSGTTDVILPEFVPNTKALLYSGRKDTGPVATGAVAAFAYYMSSGNTLGVMFSVPFDYNWYSNWWDVKIYSGKRRADQGMYEDLYYGNPYRGDNGWHEKNLGYGLRMKGIMTSAGEAKMQIKISR 175
               SCOP domains d2l38a_ A: Sticholysin II                                                                                                                                                       SCOP domains
               CATH domains 2l38A00 A:1-175  [code=2.60.270.20, no name defined]                                                                                                                            CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ............hhhhhhhhhhhh........eeeeee....eeeeeeee...........ee...eeeee..............eeeeee....eeee..............ee..eeee.....hhhhhhhhhh...ee...eeeee......eeeeee........eeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2l38 A   1 ALAGTIIAGASLTFQVLDKVLEELGKVSQKIAVGIDNESGGTWTALNAYFRSGTTDVILPEFVPNTKALLYSGRKDTGPVATGAVAAFAYYMSSGNTLGVMFSVPFDYNWYSNWWDVKIYSGKRRADQGMYEDLYYGNPYRGDNGWHEKNLGYGLRMKGIMTSAGEAKMQIKISR 175
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170     

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  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  (1, 1)

NMR Structure
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2L38)

(-) Gene Ontology  (17, 17)

NMR Structure(hide GO term definitions)
Chain A   (ACTP2_STIHL | P07845)
molecular function
    GO:0015267    channel activity    Enables the energy-independent facilitated diffusion, mediated by passage of a solute through a transmembrane aqueous pore or channel. Stereospecificity is not exhibited but this transport may be specific for a particular molecular species or class of molecules.
    GO:0042802    identical protein binding    Interacting selectively and non-covalently with an identical protein or proteins.
biological process
    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:0019835    cytolysis    The rupture of cell membranes and the loss of cytoplasm.
    GO:0044179    hemolysis in other organism    The cytolytic destruction of red blood cells, with the release of intracellular hemoglobin, in one organism by another.
    GO:0052331    hemolysis in other organism involved in symbiotic interaction    The cytolytic destruction of red blood cells, with the release of intracellular hemoglobin, in one organism by another, where two organisms are in a symbiotic interaction.
    GO:0006811    ion transport    The directed movement of charged atoms or small charged molecules into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
    GO:0046931    pore complex assembly    The aggregation, arrangement and bonding together of a set of components to form a pore complex. A pore complex is a small opening in a membrane that allows the passage of liquids and/or gases.
    GO:0055085    transmembrane transport    The process in which a solute is transported across a lipid bilayer, from one side of a membrane to the other
    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: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: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:0042151    nematocyst    An organelle found in cnidoblast (nematoblast) cells. When matured, these stinging organelles store toxins and can deliver them when the cnidocil (a short extension of the cnidocyst) is stimulated by a prey or another stimulus.
    GO:0044218    other organism cell membrane    The cell membrane of a secondary organism with which the first organism is interacting.
    GO:0044279    other organism membrane    A membrane of a secondary organism with which the first organism is interacting.
    GO:0046930    pore complex    Any small opening in a membrane that allows the passage of gases and/or liquids.

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 Related Entries

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

UniProtKB/Swiss-Prot
        ACTP2_STIHL | P078451gwy 1o71 1o72 2l2b

(-) Related Entries Specified in the PDB File

1gwy 1iaz 1kd6