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(-) Description

Title :  REFINED THREE-DIMENSIONAL SOLUTION STRUCTURE OF A SNAKE CARDIOTOXIN: ANALYSIS OF THE SIDE-CHAIN ORGANISATION SUGGESTS THE EXISTENCE OF A POSSIBLE PHOSPHOLIPID BINDING SITE
 
Authors :  B. Gilquin, C. Roumestand, S. Zinn-Justin, A. Menez, F. Toma
Date :  08 Jul 94  (Deposition) - 20 Dec 94  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A
Keywords :  Cytotoxin (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  B. Gilquin, C. Roumestand, S. Zinn-Justin, A. Menez, F. Toma
Refined Three-Dimensional Solution Structure Of A Snake Cardiotoxin: Analysis Of The Side-Chain Organization Suggests The Existence Of A Possible Phospholipid Binding Site.
Biopolymers V. 33 1659 1993
PubMed-ID: 8241426  |  Reference-DOI: 10.1002/BIP.360331104
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CARDIOTOXIN GAMMA
    Chains: A
    Engineered: YES
    Organism Common: SPITTING COBRA
    Organism Scientific: NAJA NIGRICOLLIS
    Organism Taxid: 8654

 Structural Features

(-) Chains, Units

  
NMR Structure : 

Summary Information (see also Sequences/Alignments below)

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

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

(-) Sites  (0, 0)

(no "Site" information available for 1CXN)

(-) SS Bonds  (4, 4)

NMR Structure
No.Residues
1A:3 -A:21
2A:14 -A:38
3A:42 -A:53
4A:54 -A:59

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (1, 1)

NMR Structure (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1SNAKE_TOXINPS00272 Snake toxins signature.3SA1_NAJPA37-57  1A:37-57

(-) Exons   (0, 0)

(no "Exon" information available for 1CXN)

(-) 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:60
 aligned with 3SA1_NAJPA | P01468 from UniProtKB/Swiss-Prot  Length:60

    Alignment length:60
                                    10        20        30        40        50        60
            3SA1_NAJPA    1 LKCNQLIPPFWKTCPKGKNLCYKMTMRAAPMVPVKRGCIDVCPKSSLLIKYMCCNTDKCN 60
               SCOP domains d1cxna_ A: gamma-Cardiotoxin                                 SCOP domains
               CATH domains 1cxnA00 A:1-60 CD59                                          CATH domains
               Pfam domains ------------------------------------------------------------ Pfam domains
         Sec.struct. author .eee......eee......eeeeeee.....eeeeeeee.........eeeeee...... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------SNAKE_TOXIN          --- PROSITE
                 Transcript ------------------------------------------------------------ Transcript
                  1cxn A  1 LKCNQLIPPFWKTCPKGKNLCYKMTMRAAPMVPVKRGCIDVCPKSSLLIKYMCCNTDKCN 60
                                    10        20        30        40        50        60
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  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 1CXN)

(-) Gene Ontology  (7, 7)

NMR Structure(hide GO term definitions)
Chain A   (3SA1_NAJPA | P01468)
biological process
    GO:0019835    cytolysis    The rupture of cell membranes and the loss of cytoplasm.
    GO:0044179    hemolysis in other organism    The cytolytic destruction of red blood cells, with the release of intracellular hemoglobin, in one organism by another.
    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.
    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
        3SA1_NAJPA | P01468: 1cxo 1tgx

(-) Related Entries Specified in the PDB File

1cxo