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(-) Description

Title :  NMR STRUCTURE OF ANTIMICROBIAL PEPTIDE DISTINCTIN IN WATER
 
Authors :  P. Amodeo, D. Raimondo, G. Andreotti, A. Motta, A. Scaloni
Date :  29 Sep 04  (Deposition) - 05 Apr 05  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A,B,C,D  (24x)
Keywords :  Pore-Forming Peptide, Heterodimer, Nmr Structure, Homodimer, Disulfide, Four-Helix Bundle, Antibiotic (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  D. Raimondo, G. Andreotti, N. Saint, P. Amodeo, G. Renzone, M. Sanseverino, I. Zocchi, G. Molle, A. Motta, A. Scaloni
A Folding-Dependent Mechanism Of Antimicrobial Peptide Resistance To Degradation Unveiled By Solution Structure Of Distinctin.
Proc. Natl. Acad. Sci. Usa V. 102 6309 2005
PubMed-ID: 15840728  |  Reference-DOI: 10.1073/PNAS.0409004102
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - DISTINCTIN CHAIN A
    Chains: A, C
    Engineered: YES
    Other Details: THE PEPTIDE WAS PREPARED BY SOLID-PHASE SYNTHESIS. THIS SEQUENCE OCCURS NATURALLY IN THE TREE-FROG PHYLLOMEDUSA DISTINCTA
    Synthetic: YES
 
Molecule 2 - DISTINCTIN CHAIN B
    Chains: B, D
    Engineered: YES
    Other Details: THE PEPTIDE WAS PREPARED BY SOLID-PHASE SYNTHESIS. THIS SEQUENCE OCCURS NATURALLY IN THE TREE-FROG PHYLLOMEDUSA DISTINCTA
    Synthetic: YES

 Structural Features

(-) Chains, Units

  
NMR Structure (24x): 

Summary Information (see also Sequences/Alignments below)

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

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

(-) Sites  (0, 0)

(no "Site" information available for 1XKM)

(-) SS Bonds  (2, 2)

NMR Structure
No.Residues
1A:19 -B:23
2C:19 -D:23

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1XKM)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1XKM)

(-) Exons   (0, 0)

(no "Exon" information available for 1XKM)

(-) 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:22
                                                     
               SCOP domains d1xkma1 A:1-22         SCOP domains
               CATH domains ---------------------- CATH domains
               Pfam domains ---------------------- Pfam domains
         Sec.struct. author ......hhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ---------------------- SAPs(SNPs)
                    PROSITE ---------------------- PROSITE
                 Transcript ---------------------- Transcript
                  1xkm A  1 ENREVPPGFTALIKTLRKCKII 22
                                    10        20  


Chain B from PDB  Type:PROTEIN  Length:25
                                                        
               SCOP domains d1xkmb1 B:1-25            SCOP domains
               CATH domains ------------------------- CATH domains
               Pfam domains ------------------------- Pfam domains
         Sec.struct. author .....hhhhhhhhhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) ------------------------- SAPs(SNPs)
                    PROSITE ------------------------- PROSITE
                 Transcript ------------------------- Transcript
                  1xkm B  1 NLVSGLIEARKYLEQLHRKLKNCKV 25
                                    10        20     


Chain C from PDB  Type:PROTEIN  Length:22
                                                     
               SCOP domains d1xkmc1 C:1-22         SCOP domains
               CATH domains ---------------------- CATH domains
               Pfam domains ---------------------- Pfam domains
         Sec.struct. author ......hhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) ---------------------- SAPs(SNPs)
                    PROSITE ---------------------- PROSITE
                 Transcript ---------------------- Transcript
                  1xkm C  1 ENREVPPGFTALIKTLRKCKII 22
                                    10        20  


Chain D from PDB  Type:PROTEIN  Length:25
                                                        
               SCOP domains d1xkmd1 D:1-25            SCOP domains
               CATH domains ------------------------- CATH domains
               Pfam domains ------------------------- Pfam domains
         Sec.struct. author .....hhhhhhhhhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) ------------------------- SAPs(SNPs)
                    PROSITE ------------------------- PROSITE
                 Transcript ------------------------- Transcript
                  1xkm D  1 NLVSGLIEARKYLEQLHRKLKNCKV 25
                                    10        20
   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  (2, 4)

NMR Structure
(-)
Class: Peptides (792)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (0, 0)

NMR Structure(hide GO term definitions)
    (no "Gene Ontology" information available for 1XKM)

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