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(-) Description

Title :  ANTIBIOTIC ACTIVITY AND STRUCTURAL ANALYSIS OF A SCORPION-DERIVED ANTIMICROBIAL PEPTIDE ISCT AND ITS ANALOGS
 
Authors :  K. Lee, S. Y. Shin, K. Kim, S. S. Lim, K. S. Hahm, Y. Kim
Date :  02 May 04  (Deposition) - 19 Oct 04  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (20x)
Keywords :  Coil-Helix, Antibiotic (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  K. Lee, S. Y. Shin, K. Kim, S. S. Lim, K. S. Hahm, Y. Kim
Antibiotic Activity And Structural Analysis Of The Scorpion-Derived Antimicrobial Peptide Isct And Its Analogs
Biochem. Biophys. Res. Commun. V. 323 712 2004
PubMed-ID: 15369808  |  Reference-DOI: 10.1016/J.BBRC.2004.08.144
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CYTOTOXIC LINEAR PEPTIDE ISCT
    ChainsA
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    MutationYES
    Organism ScientificOPISTHACANTHUS MADAGASCARIENSIS
    Organism Taxid167108
    SynonymISCT
    TissueVENOM

 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
1NH21Mod. Amino AcidAMINO GROUP

(-) Sites  (1, 1)

NMR Structure (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREPHE A:13BINDING SITE FOR RESIDUE NH2 A 14

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1T54)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1T54)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1T54)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1T54)

(-) Exons   (0, 0)

(no "Exon" information available for 1T54)

(-) 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    
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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:14
 aligned with NDB41_OPIMA | Q8MMJ7 from UniProtKB/Swiss-Prot  Length:68

    Alignment length:14
                                    33    
           NDB41_OPIMA   24 ILGKIWEGIKSLFG 37
               SCOP domains d1t54a_ A:     SCOP domains
               CATH domains -------------- CATH domains
               Pfam domains -------------- Pfam domains
         Sec.struct. author .............. Sec.struct. author
                 SAPs(SNPs) -------------- SAPs(SNPs)
                    PROSITE -------------- PROSITE
                 Transcript -------------- Transcript
                  1t54 A  1 ILGKIAEGIKSLFx 14
                                    10   |
                                        14-NH2

   Legend:   → Mismatch (orange background)
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  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 1T54)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1T54)

(-) Gene Ontology  (9, 9)

NMR Structure(hide GO term definitions)
Chain A   (NDB41_OPIMA | Q8MMJ7)
biological process
    GO:0019835    cytolysis    The rupture of cell membranes and the loss of cytoplasm.
    GO:0042742    defense response to bacterium    Reactions triggered in response to the presence of a bacterium that act to protect the cell or organism.
    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: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: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.

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 Related Entries

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

UniProtKB/Swiss-Prot
        NDB41_OPIMA | Q8MMJ71t51 1t52 1t55

(-) Related Entries Specified in the PDB File

1t51 THE SAME PROTEIN OF WILD TYPE
1t52 THE SAME PROTEIN WITH E7K MUTANT
1t55 THE SAME PROTEIN WITH E7K, G8P AND S11K MUTANT