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(-) Description

Title :  PURIFICATION AND STRUCTURAL CHARACTERIZATION OF A D-AMINO ACID CONTAINING CONOPEPTIDE, MARMOPHINE, FROM CONUS MARMOREUS
 
Authors :  F. Huang, W. Du, Y. Han, C. Wang
Date :  29 Apr 07  (Deposition) - 08 Apr 08  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (20x)
Keywords :  M-Conotoxin Mr12, Mr1931, Nmr (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  Y. Han, F. Huang, H. Jiang, L. Liu, Q. Wang, Y. Wang, X. Shao, C. Chi, W. Du, C. Wang
Purification And Structural Characterization Of A D-Amino Acid-Containing Conopeptide, Conomarphin, From Conus Marmoreus.
Febs J. V. 275 1976 2008
PubMed-ID: 18355315  |  Reference-DOI: 10.1111/J.1742-4658.2008.06352.X
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - M-CONOTOXIN MR12
    Chains: A
    Engineered: YES
    Other Details: THIS SEQUENCE OCCURS NATURALLY IN CONUS MARMOREUS
    Synonym: MR1931
    Synthetic: YES

 Structural Features

(-) Chains, Units

  
NMR Structure (20x): 

Summary Information (see also Sequences/Alignments below)

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

NMR Structure (2, 2)
No.NameCountTypeFull Name
1DPN1Mod. Amino AcidD-PHENYLALANINE
2HYP1Mod. Amino Acid4-HYDROXYPROLINE

(-) Sites  (0, 0)

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(-) SS Bonds  (0, 0)

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(-) Cis Peptide Bonds  (0, 0)

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 Sequence-Structure Mapping

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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    
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Chain A from PDB  Type:PROTEIN  Length:15
 aligned with COMA_CONMR | B2KPN7 from UniProtKB/Swiss-Prot  Length:71

    Alignment length:15
                                    64     
            COMA_CONMR   55 DWEYHAHPKPNSFWT 69
               SCOP domains --------------- SCOP domains
               CATH domains --------------- CATH domains
               Pfam domains --------------- Pfam domains
         Sec.struct. author ..........hhhhh Sec.struct. author
                 SAPs(SNPs) --------------- SAPs(SNPs)
                    PROSITE --------------- PROSITE
                 Transcript --------------- Transcript
                  2yyf A  1 DWEYHAHPKpNSxWT 15
                                    10  |  
                                    10-HYP 
                                       13-DPN
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 Classification and Annotation

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(-) Pfam Domains  (0, 0)

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(-) Gene Ontology  (3, 3)

NMR Structure(hide GO term definitions)
Chain A   (COMA_CONMR | B2KPN7)
molecular function
    GO:0008200    ion channel inhibitor activity    Stops, prevents, or reduces the activity of an ion channel.
biological process
    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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 Related Entries

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

UniProtKB/Swiss-Prot
        COMA_CONMR | B2KPN7: 2jqb 2jqc

(-) Related Entries Specified in the PDB File

1e75 NMR SOLUTION STRUCTURE OF ALPHA-CONOTOXIN IM1 POINT MUTATION VARIANT R7L
1fu3 THREE-DIMENSIONAL STRUCTURE IN SOLUTION OF THE SODIUM CHANNEL AGONIST/ANTAGONIST DELTA-CONOTOXIN TXVIA
1jlp SOLUTION STRUCTURE OF THE NONCOMPETITIVE SKELETAL MUSCLE NICOTINIC
1qs3 NMR SOLUTION CONFORMATION OF AN ANTITOXIC ANALOG OF ALPHA- CONOTOXIN GI