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(-) Description

Title :  SOLUTION STRUCTURE OF BMP01 FROM THE VENOM OF SCORPION BUTHUS MARTENSII KARSCH, 9 STRUCTURES
 
Authors :  G. Wu, Y. Li, D. Wei, F. He, S. Jiang, G. Hu, H. Wu, X. Chen
Date :  05 Jul 04  (Deposition) - 27 Jul 04  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (9x)
Keywords :  Alpha/Beta Scaffold, Toxin (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  G. Wu, Y. Li, D. Wei, F. He, S. Jiang, G. Hu, H. Wu
Solution Structure Of Bmp01 From The Venom Of Scorpion Buthus Martensii Karsch
Biochem. Biophys. Res. Commun. V. 276 1148 2000
PubMed-ID: 11027603  |  Reference-DOI: 10.1006/BBRC.2000.3435
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - NEUROTOXIN BMP01
    Chains: A
    Organism Common: CHINESE SCORPION
    Organism Scientific: MESOBUTHUS MARTENSII
    Organism Taxid: 34649
    Synonym: POTASSIUM ION CHANNEL BLOCKER P01

 Structural Features

(-) Chains, Units

  
NMR Structure (9x): 

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 1WM7)

(-) Sites  (0, 0)

(no "Site" information available for 1WM7)

(-) SS Bonds  (3, 3)

NMR Structure
No.Residues
1A:3 -A:19
2A:6 -A:24
3A:10 -A:26

(-) Cis Peptide Bonds  (4, 13)

NMR Structure
No.ModelResidues
11, 4, 5, 6, 7Lys A:18 -Cys A:19
23, 4, 9Asp A:5 -Cys A:6
33, 9Val A:25 -Cys A:26
44, 6, 9Lys A:23 -Cys A:24

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1WM7)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1WM7)

(-) Exons   (0, 0)

(no "Exon" information available for 1WM7)

(-) 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:29
 aligned with KAX82_MESMA | Q9U8D2 from UniProtKB/Swiss-Prot  Length:57

    Alignment length:29
                                    38        48         
           KAX82_MESMA   29 ATCEDCPEHCATQNARAKCDNDKCVCEPK 57
               SCOP domains d1wm7a_ A: Neurotoxin bmp01   SCOP domains
               CATH domains ----------------------------- CATH domains
               Pfam domains -Toxin_6-1wm7A01 A:2-28     - Pfam domains
         Sec.struct. author .hhhhh.........eee......eee.. Sec.struct. author
                 SAPs(SNPs) ----------------------------- SAPs(SNPs)
                    PROSITE ----------------------------- PROSITE
                 Transcript ----------------------------- Transcript
                  1wm7 A  1 ATCEDCPEHCATQNARAKCDNDKCVCEPK 29
                                    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: Small proteins (3458)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 1WM7)

(-) Pfam Domains  (1, 1)

NMR Structure
(-)
Clan: no clan defined [family: Toxin_6] (3)

(-) Gene Ontology  (4, 4)

NMR Structure(hide GO term definitions)
Chain A   (KAX82_MESMA | Q9U8D2)
molecular function
    GO:0008200    ion channel inhibitor activity    Stops, prevents, or reduces the activity of an ion 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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  Cis Peptide Bonds
    Asp A:5 - Cys A:6   [ RasMol ]  
    Lys A:18 - Cys A:19   [ RasMol ]  
    Lys A:23 - Cys A:24   [ RasMol ]  
    Val A:25 - Cys A:26   [ RasMol ]  
 

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 Related Entries

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

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(-) Related Entries Specified in the PDB File

1acw SOLUTION STRUCTURES OF P01, A NATURAL SCORPION PEPTIDE STRUCTURALLY ANALOGUS TO SCORPION TOXINS SPECIFIC FOR APAMIN-SENSITIVE POTASSIUM CHANNEL
1du9 SOLUTION STRUCTURES OF BMP02, A NATURAL SCORPION TOXIN WHICH BLOCKS APAMIN-SENSITIVE CALCIUM-ACTIVATED POTASSIUM CHANNEL
1pnh SOLUTION STRUCTURE OF P05-NH2,A SCORPION TOXIN ANALOG WITH HIGH AFFINITY FOR THE APAMIN-SENSITIVE POTASSIUM CHANNEL
1scy SOLUTION STRUCTURES OF SCYLLATOXIN,A SCORPION TOXIN WITH HIGH AFFINITY FOR APAMIN-SENSITIVE CALCIUM-ACTIVATED POTASSIUM CHANNEL