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(-) Description

Title :  DELTA-TOXIN AND ANALOGUES AS PEPTIDE MODELS FOR PROTEIN ION CHANNELS
 
Authors :  C. M. Bladon, P. Bladon, J. A. Parkinson
Date :  14 Oct 92  (Deposition) - 31 Oct 93  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (12x)
Keywords :  Toxin (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  C. M. Bladon, P. Bladon, J. A. Parkinson
Delta-Toxin And Analogues As Peptide Models For Protein Ion Channels.
Biochem. Soc. Trans. V. 20 862 1992
PubMed-ID: 1283135
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - ACETYL-DELTA-TOXIN
    ChainsA
    EngineeredYES
    Organism ScientificSTAPHYLOCOCCUS AUREUS
    Organism Taxid1280

 Structural Features

(-) Chains, Units

  
NMR Structure (12x)

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 1DTC)

(-) Sites  (0, 0)

(no "Site" information available for 1DTC)

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (4, 4)

NMR Structure (4, 4)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_HLD_STAAU_001 *Q3AHLD_STAAU  ---  ---AQ3A
2UniProtVAR_HLD_STAAU_002 *W15LHLD_STAAU  ---  ---AW15L
3UniProtVAR_HLD_STAAU_003 *N21EHLD_STAAU  ---  ---AN21E
4UniProtVAR_HLD_STAAU_004 *T24IHLD_STAAU  ---  ---AT24I
   * ID not provided by source

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 1DTC)

(-) 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:26
 aligned with HLD_STAA8 | Q2FWM8 from UniProtKB/Swiss-Prot  Length:26

    Alignment length:26
                                    10        20      
             HLD_STAA8    1 MAQDIISTIGDLVKWIIDTVNKFTKK 26
               SCOP domains d1dtca_ A: delta-Toxin     SCOP domains
               CATH domains -------------------------- CATH domains
               Pfam domains -------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) --A-----------L-----E--I-- SAPs(SNPs)
                    PROSITE -------------------------- PROSITE
                 Transcript -------------------------- Transcript
                  1dtc A  1 MAQDIISTIGDLVKWIIDTVNKFTKK 26
                                    10        20      

Chain A from PDB  Type:PROTEIN  Length:26
 aligned with HLD_STAAU | P0C1V1 from UniProtKB/Swiss-Prot  Length:26

    Alignment length:26
                                    10        20      
             HLD_STAAU    1 MAQDIISTIGDLVKWIIDTVNKFTKK 26
               SCOP domains d1dtca_ A: delta-Toxin     SCOP domains
               CATH domains -------------------------- CATH domains
               Pfam domains -------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) --A-----------L-----E--I-- SAPs(SNPs)
                    PROSITE -------------------------- PROSITE
                 Transcript -------------------------- Transcript
                  1dtc A  1 MAQDIISTIGDLVKWIIDTVNKFTKK 26
                                    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
(-)
Class: Peptides (792)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1DTC)

(-) Gene Ontology  (8, 16)

NMR Structure(hide GO term definitions)
Chain A   (HLD_STAAU | P0C1V1)
biological process
    GO:0019835    cytolysis    The rupture of cell membranes and the loss of cytoplasm.
    GO:0019836    hemolysis by symbiont of host erythrocytes    The cytolytic destruction of red blood cells, with the release of intracellular hemoglobin, in the host organism by a symbiont. The host is defined as the larger of the organisms involved in a symbiotic interaction.
    GO:0044179    hemolysis in other organism    The cytolytic destruction of red blood cells, with the release of intracellular hemoglobin, in one organism by another.
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:0033644    host cell membrane    Double layer of lipid molecules as it encloses host cells, and, in eukaryotes, many organelles; may be a single or double lipid bilayer; also includes associated proteins. The host is defined as the larger of the organisms involved in a symbiotic interaction.
    GO:0020002    host cell plasma membrane    The plasma membrane surrounding a host cell.
    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.

Chain A   (HLD_STAA8 | Q2FWM8)
biological process
    GO:0019835    cytolysis    The rupture of cell membranes and the loss of cytoplasm.
    GO:0019836    hemolysis by symbiont of host erythrocytes    The cytolytic destruction of red blood cells, with the release of intracellular hemoglobin, in the host organism by a symbiont. The host is defined as the larger of the organisms involved in a symbiotic interaction.
    GO:0044179    hemolysis in other organism    The cytolytic destruction of red blood cells, with the release of intracellular hemoglobin, in one organism by another.
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:0033644    host cell membrane    Double layer of lipid molecules as it encloses host cells, and, in eukaryotes, many organelles; may be a single or double lipid bilayer; also includes associated proteins. The host is defined as the larger of the organisms involved in a symbiotic interaction.
    GO:0020002    host cell plasma membrane    The plasma membrane surrounding a host cell.
    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.

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 Related Entries

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

UniProtKB/Swiss-Prot
        HLD_STAA8 | Q2FWM81dhl 2dhl 2dtb 3dhl
        HLD_STAAU | P0C1V11dhl 2dhl 2dtb 2kam 3dhl

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