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(-) Description

Title :  CRYSTAL STRUCTURE OF AN UNUSUAL KUNITZ-TYPE TRYPSIN INHIBITOR FROM COPAIFERA LANGSDORFFII SEEDS
 
Authors :  S. Krauchenco, R. A. P. Nagem, J. A. Da Silva, S. Marangoni, I. Polikarp
Date :  27 Oct 03  (Deposition) - 25 May 04  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.83
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Kunitz (Sti) Trypsin Inhibitor, Beta-Trefoil Fold, Copaifera Langsdorffii, Hydrolase Inhibitor (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  S. Krauchenco, R. A. P. Nagem, J. A. Da Silva, S. Marangoni, I. Polikarpov
Three-Dimensional Structure Of An Unusual Kunitz (Sti) Type Trypsin Inhibitor From Copaifera Langsdorffii.
Biochimie V. 86 167 2004
PubMed-ID: 15134830  |  Reference-DOI: 10.1016/J.BIOCHI.2004.03.004
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - KUNITZ TRYPSIN INHIBITOR
    Chains: A
    Fragment: RESIDUES 1-96
    Organism Scientific: COPAIFERA LANGSDORFFII
    Organism Taxid: 280048
    Synonym: STI
 
Molecule 2 - KUNITZ TRYPSIN INHIBITOR
    Chains: B
    Fragment: RESIDUES 97-167
    Organism Scientific: COPAIFERA LANGSDORFFII
    Organism Taxid: 280048
    Synonym: STI

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 1R8O)

(-) Sites  (0, 0)

(no "Site" information available for 1R8O)

(-) SS Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1A:40 -A:84

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Lys A:87 -Pro A:88

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1R8O)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1R8O)

(-) Exons   (0, 0)

(no "Exon" information available for 1R8O)

(-) Sequences/Alignments

Asymmetric/Biological Unit
   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:96
                                                                                                                                
               SCOP domains d1r8o.1 A:,B: Two-chain trypsin inhibitor                                                        SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ................eeeee........eeee.........eeee..........eeee..............eeee..........ee.eee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------ Transcript
                 1r8o A   1 RLVDTDGKPIENDGAEYYILPSVRGKGGGLVLAKSGGEKCPLSVVQSPSELSNGLPVRFKASPRSKYISVGMLLGIEVIESPECAPKPSMWSVKSG  96
                                    10        20        30        40        50        60        70        80        90      


Chain B from PDB  Type:PROTEIN  Length:71
                                                                                                       
               SCOP domains d1r8o.1 A:,B: Two-chain trypsin inhibitor                               SCOP domains
               CATH domains ----------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eee............eeeeee..eeeeeee.....eeeeeeee.....eeeee.......eeeee.. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------- Transcript
                 1r8o B  97 WKLPSVTVGNPKVSVFGGPFKIEEGKSGYKDVYSSSKGRDLDDGIEVNKKKEKRLVVKDGNPFIIRFKKSG 167
                                   106       116       126       136       146       156       166
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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)

Asymmetric/Biological Unit
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 1R8O)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1R8O)

(-) Gene Ontology  (0, 0)

Asymmetric/Biological Unit(hide GO term definitions)
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  Cis Peptide Bonds
    Lys A:87 - Pro A:88   [ RasMol ]  
 

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 Related Entries

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(-) Related Entries Specified in the PDB File

1r8n THE CRYSTAL STRUCTURE OF THE KUNITZ (STI) TYPE INHIBITOR FROM SEEDS OF DELONIX REGIA