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(-) Description

Title :  SELECTIVE INHIBITION OF TRYPSINS BY INSECT PEPTIDES: ROLE OF P6-P10 LOOP
 
Authors :  C. Kellenberger, G. Ferrat, P. Leone, H. Darbon, A. Roussel
Date :  12 Aug 04  (Deposition) - 07 Sep 04  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A
Keywords :  Hydrolase Inhibitor (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  C. Kellenberger, G. Ferrat, P. Leone, H. Darbon, A. Roussel
Selective Inhibition Of Trypsins By Insect Peptides: Role Of P6-P10 Loop
Biochemistry V. 42 13605 2003
PubMed-ID: 14622007  |  Reference-DOI: 10.1021/BI035318T
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - TRYPSIN INHIBITOR
    Chains: A
    Engineered: YES
    Other Details: THE PEPTIDE IS CHEMICALLY SYNTHESIZED. THE SEQUENCE OF THE PEPTIDE IS NATURALLY FOUND IN INSECT
    Synonym: HI-1
    Synthetic: YES

 Structural Features

(-) Chains, Units

  
NMR Structure : 

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 1WO9)

(-) Sites  (0, 0)

(no "Site" information available for 1WO9)

(-) SS Bonds  (3, 3)

NMR Structure
No.Residues
1A:4 -A:19
2A:14 -A:32
3A:17 -A:27

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1WO9)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1WO9)

(-) PROSITE Motifs  (0, 0)

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(-) Exons   (0, 0)

(no "Exon" information available for 1WO9)

(-) 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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SAPs(SNPs) PROSITE motifs Exons
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Chain A from PDB  Type:PROTEIN  Length:35
 aligned with Q8WQ22_LOCMI | Q8WQ22 from UniProtKB/TrEMBL  Length:145

    Alignment length:35
                                    32        42        52     
          Q8WQ22_LOCMI   23 AGECTPGQTKKQDCNTCTCTPTGIWGCTRKACRTT 57
               SCOP domains d1wo9a_ A: Protease inhibitor SGTI  SCOP domains
               CATH domains ----------------------------------- CATH domains
               Pfam domains ----------------------------------- Pfam domains
         Sec.struct. author ........eeee..eeeee.....ee......... Sec.struct. author
                 SAPs(SNPs) ----------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------- PROSITE
                 Transcript ----------------------------------- Transcript
                  1wo9 A  1 AGECTPGQTKKQDCNTCTCTPTGIWGCTRKACRTT 35
                                    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 1WO9)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1WO9)

(-) Gene Ontology  (4, 4)

NMR Structure(hide GO term definitions)
Chain A   (Q8WQ22_LOCMI | Q8WQ22)
molecular function
    GO:0008233    peptidase activity    Catalysis of the hydrolysis of a peptide bond. A peptide bond is a covalent bond formed when the carbon atom from the carboxyl group of one amino acid shares electrons with the nitrogen atom from the amino group of a second amino acid.
    GO:0030414    peptidase inhibitor activity    Stops, prevents or reduces the activity of a peptidase, any enzyme that catalyzes the hydrolysis peptide bonds.
biological process
    GO:0010466    negative regulation of peptidase activity    Any process that stops or reduces the rate of peptidase activity, the hydrolysis of peptide bonds within proteins.
    GO:0006508    proteolysis    The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.

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 Related Entries

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        Q8WQ22_LOCMI | Q8WQ22: 2vu8

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