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(-) Description

Title :  NMR STRUCTURE OF THE GLYCOSYLATED CONOTOXIN CCTX FROM CONUS CONSORS
 
Authors :  H. G. Hocking, G. J. Gerwig, P. Favreau, R. Stocklin, J. P. Kamerling, R.
Date :  12 Jul 12  (Deposition) - 06 Feb 13  (Release) - 06 Feb 13  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  P  (20x)
NMR Structure *:  P  (1x)
Keywords :  Toxin, O-Glycan (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  H. G. Hocking, G. J. Gerwig, S. Dutertre, A. Violette, P. Favreau, R. Stocklin, J. P. Kamerling, R. Boelens
Structure Of The O-Glycosylated Conopeptide Cctx From Conus Consors Venom.
Chemistry V. 19 870 2013
PubMed-ID: 23281027  |  Reference-DOI: 10.1002/CHEM.201202713

(-) Compounds

Molecule 1 - CONOTOXIN CCTX
    Chains: P
    Organism Scientific: CONUS CONSORS
    Organism Taxid: 101297
    Synonym: EXCITOTOXIN CCTX, KAPPAA-CONOTOXIN

 Structural Features

(-) Chains, Units

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

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (5, 8)

NMR Structure (5, 8)
No.NameCountTypeFull Name
1A2G1Ligand/IonN-ACETYL-2-DEOXY-2-AMINO-GALACTOSE
2GAL1Ligand/IonBETA-D-GALACTOSE
3GXL2Ligand/IonALPHA-L-GALACTOPYRANOSE
4HYP3Mod. Amino Acid4-HYDROXYPROLINE
5NDG1Ligand/Ion2-(ACETYLAMINO)-2-DEOXY-A-D-GLUCOPYRANOSE
NMR Structure * (5, 8)
No.NameCountTypeFull Name
1A2G1Ligand/IonN-ACETYL-2-DEOXY-2-AMINO-GALACTOSE
2GAL1Ligand/IonBETA-D-GALACTOSE
3GXL2Ligand/IonALPHA-L-GALACTOPYRANOSE
4HYP3Mod. Amino Acid4-HYDROXYPROLINE
5NDG1Ligand/Ion2-(ACETYLAMINO)-2-DEOXY-A-D-GLUCOPYRANOSE

(-) Sites  (1, 1)

NMR Structure (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWARELEU P:4 , VAL P:5 , PRO P:6 , SER P:7 , GLN P:8BINDING SITE FOR CHAIN P OF SUGAR BOUND TO SER P 7 RESIDUES 1031 TO 1035

(-) SS Bonds  (3, 3)

NMR Structure
No.Residues
1P:12 -P:21
2P:13 -P:26
3P:24 -P:30

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 4B1Q)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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(-) PROSITE Motifs  (0, 0)

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(-) Exons   (0, 0)

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(-) 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 P from PDB  Type:PROTEIN  Length:30
 aligned with CEX_CONCN | P58928 from UniProtKB/Swiss-Prot  Length:30

    Alignment length:30
                                    10        20        30
             CEX_CONCN    1 APWLVPSQITTCCGYNPGTMCPSCMCTNTC 30
               SCOP domains ------------------------------ SCOP domains
               CATH domains ------------------------------ CATH domains
               Pfam domains ------------------------------ Pfam domains
         Sec.struct. author .....................hhhhhh... Sec.struct. author
                 SAPs(SNPs) ------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------ PROSITE
                 Transcript ------------------------------ Transcript
                  4b1q P  1 ApWLVPSQITTCCGYNpGTMCpSCMCTNTC 30
                             |      10      | 20 |      30
                             |             17-HYP|        
                             2-HYP              22-HYP
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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  (0, 0)

(no "SCOP Domain" information available for 4B1Q)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4B1Q)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4B1Q)

(-) Gene Ontology  (2, 2)

NMR Structure(hide GO term definitions)
Chain P   (CEX_CONCN | P58928)
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:0072556    other organism presynaptic membrane    A presynaptic membrane that is part of another organism, i.e. a secondary organism with which the first organism is interacting. A presynaptic membrane is specialized area of membrane of the axon terminal that faces the plasma membrane of the neuron or muscle fiber with which the axon terminal establishes a synaptic junction; many synaptic junctions exhibit structural presynaptic characteristics, such as conical, electron-dense internal protrusions, that distinguish it from the remainder of the axon plasma membrane.

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  4b1q
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  CEX_CONCN | P58928
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