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(-) Description

Title :  SOLUTION STRUCTURE OF PONERATOXIN
 
Authors :  E. Szolajska, J. Poznanski, M. L. Ferber, J. Michalik, E. Gout, P. Fender, I. Bailly, B. Dublet, J. Chroboczek
Date :  22 Nov 00  (Deposition) - 18 Nov 03  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (10x)
Keywords :  Toxin; Neurotoxin; Sodium Channel Inhibitor (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  E. Szolajska, J. Poznanski, M. L. Ferber, J. Michalik, E. Gout, P. Fender, I. Bailly, B. Dublet, J. Chroboczek
Poneratoxin, A Neurotoxin From Ant Venom. Structure And Expression In Insect Cells And Construction Of A Bio-Insecticide.
Eur. J. Biochem. V. 271 2127 2004
PubMed-ID: 15153103  |  Reference-DOI: 10.1111/J.1432-1033.2004.04128.X
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - PONERATOXIN
    Chains: A
    Engineered: YES
    Other Details: THE PEPTIDE WAS CHEMICALLY SYNTHESIZED. THE SEQUENCE OF THE PEPTIDE IS NATURALLY FOUND IN PARAPONERA CLAVATA (VENON ANT).
    Synonym: PAC-TX
    Synthetic: YES

 Structural Features

(-) Chains, Units

  
NMR Structure (10x): 

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 1G92)

(-) Sites  (0, 0)

(no "Site" information available for 1G92)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1G92)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1G92)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1G92)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1G92)

(-) Exons   (0, 0)

(no "Exon" information available for 1G92)

(-) 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:25
 aligned with POTX_PARCV | P41736 from UniProtKB/Swiss-Prot  Length:25

    Alignment length:25
                                    10        20     
            POTX_PARCV    1 FLPLLILGSLLMTPPVIQAIHDAQR 25
               SCOP domains d1g92a_ A:                SCOP domains
               CATH domains ------------------------- CATH domains
               Pfam domains ------------------------- Pfam domains
         Sec.struct. author hhhhhhhhh........hhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------- SAPs(SNPs)
                    PROSITE ------------------------- PROSITE
                 Transcript ------------------------- Transcript
                  1g92 A  1 FLPLLILGSLLMTPPVIQAIHDAQR 25
                                    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 1G92)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1G92)

(-) Gene Ontology  (3, 3)

NMR Structure(hide GO term definitions)
Chain A   (POTX_PARCV | P41736)
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:0035792    other organism postsynaptic membrane    A postsynaptic membrane that is part of another organism, i.e. a secondary organism with which the first organism is interacting. A postsynaptic membrane is a specialized area of membrane facing the presynaptic membrane on the tip of the nerve ending and separated from it by a minute cleft (the synaptic cleft). Neurotransmitters transmit the signal across the synaptic cleft to the postsynaptic membrane.
    GO:0072556    other organism presynaptic membrane    A presynaptic membrane that is part of another organism, i.e. a secondary organism with which the first organism is interacting. A presynaptic membrane is specialized area of membrane of the axon terminal that faces the plasma membrane of the neuron or muscle fiber with which the axon terminal establishes a synaptic junction; many synaptic junctions exhibit structural presynaptic characteristics, such as conical, electron-dense internal protrusions, that distinguish it from the remainder of the axon plasma membrane.

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  1g92
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 Related Entries

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