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(-) Description

Title :  THREE-DIMENSIONAL STRUCTURE OF THE NEUROTOXIN ATX IA FROM ANEMONIA SULCATA IN AQUEOUS SOLUTION DETERMINED BY NUCLEAR MAGNETIC RESONANCE SPECTROSCOPY
 
Authors :  M. Billeter, H. Widmer, K. Wuthrich
Date :  14 May 90  (Deposition) - 15 Apr 91  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (8x)
Keywords :  Sea Anemone Toxin (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  H. Widmer, M. Billeter, K. Wuthrich
Three-Dimensional Structure Of The Neurotoxin Atx Ia From Anemonia Sulcata In Aqueous Solution Determined By Nuclear Magnetic Resonance Spectroscopy.
Proteins V. 6 357 1989
PubMed-ID: 2576133  |  Reference-DOI: 10.1002/PROT.340060403
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - ATX IA
    Chains: A
    Engineered: YES
    Organism Common: SNAKE-LOCKS SEA ANEMONE
    Organism Scientific: ANEMONIA SULCATA
    Organism Taxid: 6108

 Structural Features

(-) Chains, Units

  
NMR Structure (8x): 

Summary Information (see also Sequences/Alignments below)

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

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

(-) Sites  (0, 0)

(no "Site" information available for 1ATX)

(-) SS Bonds  (3, 3)

NMR Structure
No.Residues
1A:4 -A:43
2A:6 -A:34
3A:27 -A:44

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (1, 1)

NMR Structure (1, 1)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_NA11_ANESU_001 *A3PNA11_ANESU  ---  ---AA3P
   * ID not provided by source
  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 1ATX)

(-) 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:46
 aligned with NA11_ANESU | P01533 from UniProtKB/Swiss-Prot  Length:46

    Alignment length:46
                                    10        20        30        40      
            NA11_ANESU    1 GAACLCKSDGPNTRGNSMSGTIWVFGCPSGWNNCEGRAIIGYCCKQ 46
               SCOP domains d1atxa_ A: Sea anemone toxin IA                SCOP domains
               CATH domains 1atxA00 A:1-46 Anthopleurin-A                  CATH domains
               Pfam domains ---------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee...........eeeeee......eeee......eeeeee Sec.struct. author
                 SAPs(SNPs) --P------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------- PROSITE
                 Transcript ---------------------------------------------- Transcript
                  1atx A  1 GAACLCKSDGPNTRGNSMSGTIWVFGCPSGWNNCEGRAIIGYCCKQ 46
                                    10        20        30        40
   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: Small proteins (3458)

(-) CATH Domains  (1, 1)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (3, 3)

NMR Structure(hide GO term definitions)
Chain A   (NA11_ANESU | P01533)
biological process
    GO:0009966    regulation of signal transduction    Any process that modulates the frequency, rate or extent of signal transduction.
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: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.

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  1atx
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 Related Entries

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