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(-) Description

Title :  THE INDEPENDENT STRUCTURE OF THE ANTITRYPTIC REACTIVE SITE LOOP OF BOWMAN-BIRK INHIBITOR AND SUNFLOWER TRYPSIN INHIBITOR-1
 
Authors :  A. B. E. Brauer, G. Kelly, S. J. Matthews, R. J. Leatherbarrow
Date :  08 Sep 01  (Deposition) - 29 Aug 02  (Release) - 13 Jul 11  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (30x)
NMR Structure *:  A  (1x)
Keywords :  Bowman-Birk Inhibitor Protein Mimetic, Sunflower Trypsin Inhibitor-1 (Sfti-1) Mimetic, Trypsin Inhibitor, Type Vib Beta-Turn Peptide, Hydrolase Inhibitor (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. B. E. Brauer, G. Kelly, S. J. Matthews, R. J. Leatherbarrow
The 1H-Nmr Solution Structure Of The Antitryptic Core Peptide Of Bowman-Birk Inhibitor Proteins: A Minimal Canonical Loop
J. Biomol. Struct. Dyn. V. 20 59 2002
PubMed-ID: 12144352
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - BOWMAN-BIRK INHIBITOR DERIVED PEPTIDE
    Chains: A
    Engineered: YES
    Fragment: ANTITRYPTIC REACTIVE SITE LOOP
    Mutation: YES
    Synthetic: YES

 Structural Features

(-) Chains, Units

  1
NMR Structure (30x): A
NMR Structure * (1x): A

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 1GM2)

(-) Sites  (0, 0)

(no "Site" information available for 1GM2)

(-) SS Bonds  (1, 1)

NMR Structure
No.Residues
1A:2 -A:10

(-) Cis Peptide Bonds  (1, 30)

NMR Structure
No.ModelResidues
11, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30Ile A:6 -Pro A:7

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1GM2)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1GM2)

(-) Exons   (0, 0)

(no "Exon" information available for 1GM2)

(-) 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:11
 aligned with IBB4_MACAX | P01059 from UniProtKB/Swiss-Prot  Length:76

    Alignment length:11
                                    29 
            IBB4_MACAX   20 TCTKSIPPQCH 30
               SCOP domains d1gm2a_ A:  SCOP domains
               CATH domains ----------- CATH domains
               Pfam domains ----------- Pfam domains
         Sec.struct. author ........... Sec.struct. author
                 SAPs(SNPs) ----------- SAPs(SNPs)
                    PROSITE ----------- PROSITE
                 Transcript ----------- Transcript
                  1gm2 A  1 SCTKSIPPQCY 11
                                    10
   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: Peptides (792)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 1GM2)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1GM2)

(-) Gene Ontology  (5, 5)

NMR Structure(hide GO term definitions)
Chain A   (IBB4_MACAX | P01059)
molecular function
    GO:0030414    peptidase inhibitor activity    Stops, prevents or reduces the activity of a peptidase, any enzyme that catalyzes the hydrolysis peptide bonds.
    GO:0004867    serine-type endopeptidase inhibitor activity    Stops, prevents or reduces the activity of serine-type endopeptidases, enzymes that catalyze the hydrolysis of nonterminal peptide bonds in a polypeptide chain; a serine residue (and a histidine residue) are at the active center of the enzyme.
biological process
    GO:0010951    negative regulation of endopeptidase activity    Any process that decreases the frequency, rate or extent of endopeptidase activity, the endohydrolysis of peptide bonds within proteins.
    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.
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
    Ile A:6 - Pro A:7   [ RasMol ]  
 

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 Related Entries

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