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(-) Description

Title :  THE 1.2 ANGSTROM STRUCTURE OF G1 ALPHA CONOTOXIN
 
Authors :  L. W. Guddat, L. Shan, J. L. Martin, A. B. Edmundson, W. R. Gray
Date :  02 May 96  (Deposition) - 07 Dec 96  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.20
Chains :  Asym./Biol. Unit :  A
Keywords :  Venom, Disulphide Loop, Conotoxin, Acetylcholine Receptor (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  L. W. Guddat, J. L. Martin, L. Shan, A. B. Edmundson, W. R. Gray
Three-Dimensional Structure Of The Alpha-Conotoxin Gi At 1. 2 A Resolution
Biochemistry V. 35 11329 1996
PubMed-ID: 8784187  |  Reference-DOI: 10.1021/BI960820H
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - GI ALPHA CONOTOXIN
    Chains: A
    Engineered: YES
    Organism Common: GEOGRAPHY CONE
    Organism Scientific: CONUS GEOGRAPHUS
    Organism Taxid: 6491

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (1, 1)
No.NameCountTypeFull Name
1NH21Mod. Amino AcidAMINO GROUP

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWARECYS A:13BINDING SITE FOR RESIDUE NH2 A 14

(-) SS Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1A:2 -A:7
2A:3 -A:13

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1NOT)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1NOT)

(-) PROSITE Motifs  (1, 1)

Asymmetric/Biological Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1ALPHA_CONOTOXINPS60014 Alpha-conotoxin family signature.CA1A_CONGE2-13  1A:2-13

(-) Exons   (0, 0)

(no "Exon" information available for 1NOT)

(-) Sequences/Alignments

Asymmetric/Biological Unit
   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:14
 aligned with CA1A_CONGE | P01519 from UniProtKB/Swiss-Prot  Length:15

    Alignment length:14
                                    10    
            CA1A_CONGE    1 ECCNPACGRHYSCG 14
               SCOP domains d1nota_ A:     SCOP domains
               CATH domains -------------- CATH domains
               Pfam domains -------------- Pfam domains
         Sec.struct. author ....hhhhhh.... Sec.struct. author
                 SAPs(SNPs) -------------- SAPs(SNPs)
                    PROSITE -ALPHA_CONOTO- PROSITE
                 Transcript -------------- Transcript
                  1not A  1 ECCNPACGRHYSCx 14
                                    10   |
                                        14-NH2
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
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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)

Asymmetric/Biological Unit
(-)
Class: Peptides (792)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 1NOT)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1NOT)

(-) Gene Ontology  (2, 2)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (CA1A_CONGE | P01519)
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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 Related Entries

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

UniProtKB/Swiss-Prot
        CA1A_CONGE | P01519: 1qs3 1xga 1xgb 1xgc 2fr9 2frb

(-) Related Entries Specified in the PDB File

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