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(-) Description

Title :  ATRACOTOXIN-HVI FROM HADRONYCHE VERSUTA (AUSTRALIAN FUNNEL-WEB SPIDER, NMR, 20 STRUCTURES
 
Authors :  J. I. Fletcher, S. I. O'Donoghue, M. Nilges, G. F. King
Date :  04 Nov 96  (Deposition) - 12 Nov 97  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (20x)
Keywords :  Neurotoxin, Insecticidal Toxin, Cystine Knot, Funnel-Web (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  J. I. Fletcher, R. Smith, S. I. O'Donoghue, M. Nilges, M. Connor, M. E. Howden, M. J. Christie, G. F. King
The Structure Of A Novel Insecticidal Neurotoxin, Omega-Atracotoxin-Hv1, From The Venom Of An Australian Funnel Web Spider.
Nat. Struct. Biol. V. 4 559 1997
PubMed-ID: 9228949  |  Reference-DOI: 10.1038/NSB0797-559
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - ATRACOTOXIN-HVI
    Chains: A
    Engineered: YES
    Organism Scientific: HADRONYCHE VERSUTA
    Organism Taxid: 6904
    Synonym: ACTX-HVI

 Structural Features

(-) Chains, Units

  
NMR Structure (20x): 

Summary Information (see also Sequences/Alignments below)

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

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

(-) Sites  (0, 0)

(no "Site" information available for 1AXH)

(-) SS Bonds  (3, 3)

NMR Structure
No.Residues
1A:4 -A:18
2A:11 -A:22
3A:17 -A:36

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (1, 1)

NMR Structure (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1OMEGA_ACTX_1PS60016 Omega-atracotoxin (ACTX) type 1 family signature.TO1A_HADVE4-11  1A:4-11

(-) Exons   (0, 0)

(no "Exon" information available for 1AXH)

(-) 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:37
 aligned with TO1A_HADVE | P56207 from UniProtKB/Swiss-Prot  Length:37

    Alignment length:37
                                    10        20        30       
            TO1A_HADVE    1 SPTCIPSGQPCPYNENCCSQSCTFKENENGNTVKRCD 37
               SCOP domains d1axha_ A:                            SCOP domains
               CATH domains ------------------------------------- CATH domains
               Pfam domains ------------------------------------- Pfam domains
         Sec.struct. author ............hhhh.....eeeee.....eeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------- SAPs(SNPs)
                    PROSITE ---OMEGA_AC-------------------------- PROSITE
                 Transcript ------------------------------------- Transcript
                  1axh A  1 SPTCIPSGQPCPYNENCCSQSCTFKENENGNTVKRCD 37
                                    10        20        30
   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: Small proteins (3458)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (4, 4)

NMR Structure(hide GO term definitions)
Chain A   (TO1A_HADVE | P56207)
molecular function
    GO:0019855    calcium channel inhibitor activity    Stops, prevents, or reduces the activity of a calcium channel.
biological process
    GO:0006952    defense response    Reactions, triggered in response to the presence of a foreign body or the occurrence of an injury, which result in restriction of damage to the organism attacked or prevention/recovery from the infection caused by the attack.
    GO:0009405    pathogenesis    The set of specific processes that generate the ability of an organism to induce an abnormal, generally detrimental state in another organism.
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.

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 Related Entries

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UniProtKB/Swiss-Prot
        TO1A_HADVE | P56207: 1hvw

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