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(-) Description

Title :  SOLUTION STRUCTURE OF [SEC2,8]-IMI
 
Authors :  C. J. Armishaw
Date :  18 Oct 05  (Deposition) - 14 Mar 06  (Release) - 06 Aug 14  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (20x)
NMR Structure *:  A  (1x)
Keywords :  Helix, Disulfide Bond, Diselenide Bond, Toxin (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  C. J. Armishaw, N. L. Daly, S. T. Nevin, D. J. Adams, D. J. Craik, P. F. Alewood
{Alpha}-Selenoconotoxins, A New Class Of Potent {Alpha}7 Neuronal Nicotinic Receptor Antagonists.
J. Biol. Chem. V. 281 14136 2006
PubMed-ID: 16500898  |  Reference-DOI: 10.1074/JBC.M512419200

(-) Compounds

Molecule 1 - ALPHA-CONOTOXIN IMI
    Chains: A
    Engineered: YES
    Other Details: SOLID PHASE PEPTIDE SYNTHESIS
    Synthetic: YES

 Structural Features

(-) Chains, Units

  1
NMR Structure (20x): A
NMR Structure * (1x): A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

NMR Structure (1, 2)
No.NameCountTypeFull Name
1SEC2Mod. Amino Acid
NMR Structure * (0, 0)
No.NameCountTypeFull Name
1SEC-1Mod. Amino Acid

(-) Sites  (0, 0)

(no "Site" information available for 2BC7)

(-) SS Bonds  (1, 1)

NMR Structure
No.Residues
1A:3 -A:12

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2BC7)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2BC7)

(-) PROSITE Motifs  (1, 1)

NMR Structure (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1ALPHA_CONOTOXINPS60014 Alpha-conotoxin family signature.CA1_CONIM6-16  1A:3-12
NMR Structure * (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1ALPHA_CONOTOXINPS60014 Alpha-conotoxin family signature.CA1_CONIM6-16  1A:3-12

(-) Exons   (0, 0)

(no "Exon" information available for 2BC7)

(-) 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:12
 aligned with CA1_CONIM | P50983 from UniProtKB/Swiss-Prot  Length:17

    Alignment length:12
                                    14  
             CA1_CONIM    5 GCCSDPRCAWRC 16
               SCOP domains ------------ SCOP domains
               CATH domains ------------ CATH domains
               Pfam domains ------------ Pfam domains
         Sec.struct. author hhhhh..hhhhh Sec.struct. author
                 SAPs(SNPs) ------------ SAPs(SNPs)
                    PROSITE -ALPHA_CONOT PROSITE
                 Transcript ------------ Transcript
                  2bc7 A  1 GxCSDPRxAWRC 12
                             |     |10  
                             |     8-SEC
                             2-SEC
   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  (0, 0)

(no "SCOP Domain" information available for 2BC7)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2BC7)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2BC7)

(-) Gene Ontology  (2, 2)

NMR Structure(hide GO term definitions)
Chain A   (CA1_CONIM | P50983)
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.

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  2bc7
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 Related Entries

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

UniProtKB/Swiss-Prot
        CA1_CONIM | P50983: 1cnl 1e74 1e75 1e76 1g2g 1im1 1imi 2bc8 2byp 2c9t 2igu 2moa

(-) Related Entries Specified in the PDB File

2bc8 [SEC2,3,8,12]-IMI