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(-) Description

Title :  SOLUTION STRUCTURE AND ACTIVITY OF THE FOUR DISULFIDE BOND MEDITERRANEAN MUSSEL DEFENSIN MGD-1
 
Authors :  Y. S. Yang
Date :  08 Aug 00  (Deposition) - 20 Dec 00  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (20x)
Keywords :  Defensin, Cystine Stabilized Alpha-Beta Motif, Antibacterial, Disulfide Bond, Synthesis, Antimicrobial Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  Y. S. Yang, G. Mitta, A. Chavanieu, B. Calas, J. F. Sanchez, P. Roch, A. Aumelas
Solution Structure And Activity Of The Synthetic Four-Disulfide Bond Mediterranean Mussel Defensin (Mgd-1).
Biochemistry V. 39 14436 2000
PubMed-ID: 11087396  |  Reference-DOI: 10.1021/BI0011835
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - DEFENSIN MGD-1
    Chains: A
    Engineered: YES
    Other Details: MGD-1 WAS OBTAINED BY SOLID PHASE SYNTHESIS BY USING THE FMOC STRATEGY. THE SEQUENCE OF THIS PEPTIDE OCCURS NATURALLY IN MEDITERRANEAN MUSSEL (MYTILUS GALLOPROVINCIALIS)
    Synthetic: YES

 Structural Features

(-) Chains, Units

  
NMR Structure (20x): 

Summary Information (see also Sequences/Alignments below)

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

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

(-) Sites  (0, 0)

(no "Site" information available for 1FJN)

(-) SS Bonds  (4, 4)

NMR Structure
No.Residues
1A:4 -A:25
2A:10 -A:33
3A:14 -A:35
4A:21 -A:38

(-) Cis Peptide Bonds  (1, 20)

NMR Structure
No.ModelResidues
11, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20Cys A:4 -Pro A:5

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (1, 1)

NMR Structure (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1INVERT_DEFENSINSPS51378 Invertebrate defensins family profile.DEFI_MYTGA1-37  1A:1-37

(-) Exons   (0, 0)

(no "Exon" information available for 1FJN)

(-) 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:39
 aligned with DEFI_MYTGA | P80571 from UniProtKB/Swiss-Prot  Length:60

    Alignment length:39
                                    10        20        30         
            DEFI_MYTGA    1 GFGCPNNYQCHRHCKSIPGRCGGYCGGWHRLRCTCYRCG 39
               SCOP domains d1fjna_ A: Defensin MGD-1               SCOP domains
               CATH domains --------------------------------------- CATH domains
               Pfam domains --------------------------------------- Pfam domains
         Sec.struct. author .....hhhhhhhhhhhh....eeee.......eeee... Sec.struct. author
                 SAPs(SNPs) --------------------------------------- SAPs(SNPs)
                    PROSITE INVERT_DEFENSINS  PDB: A:1-37        -- PROSITE
                 Transcript --------------------------------------- Transcript
                  1fjn A  1 GFGCPNNYQCHRHCKSIPGRCGGYCGGWHRLRCTCYRCG 39
                                    10        20        30
   Legend:   → Mismatch (orange background)
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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  (0, 0)

(no "CATH Domain" information available for 1FJN)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1FJN)

(-) Gene Ontology  (5, 5)

NMR Structure(hide GO term definitions)
Chain A   (DEFI_MYTGA | P80571)
biological process
    GO:0006952    defense response    Reactions, triggered in response to the presence of a foreign body or the occurrence of an injury, which result in restriction of damage to the organism attacked or prevention/recovery from the infection caused by the attack.
    GO:0042742    defense response to bacterium    Reactions triggered in response to the presence of a bacterium that act to protect the cell or organism.
    GO:0002376    immune system process    Any process involved in the development or functioning of the immune system, an organismal system for calibrated responses to potential internal or invasive threats.
    GO:0045087    innate immune response    Innate immune responses are defense responses mediated by germline encoded components that directly recognize components of potential pathogens.
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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  Cis Peptide Bonds
    Cys A:4 - Pro A:5   [ RasMol ]  
 

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