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(-) Description

Title :  CHYMOTRYPSIN INHIBITOR C1 FROM NICOTIANA ALATA
 
Authors :  H. J. Schirra, M. A. Anderson, D. J. Craik
Date :  09 Jan 08  (Deposition) - 25 Nov 08  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (20x)
Keywords :  Protein, Proteinase Inhibitor, Chymotrypsin Inhibitor, Plant, Insecticidal, Hydrolase Inhibitor (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  H. J. Schirra, M. A. Anderson, D. J. Craik
Structural Refinement Of Insecticidal Plant Proteinase Inhibitors From Nicotiana Alata.
Protein Pept. Lett. V. 15 903 2008
PubMed-ID: 18991765
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - PROTEINASE INHIBITOR
    Chains: A
    Fragment: RESIDUES 1-53 (UNP RESIDUES 54-106)
    Organism Common: WINGED TOBACCO
    Organism Scientific: NICOTIANA ALATA
    Organism Taxid: 4087

 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 2JZM)

(-) Sites  (0, 0)

(no "Site" information available for 2JZM)

(-) SS Bonds  (4, 4)

NMR Structure
No.Residues
1A:4 -A:41
2A:7 -A:25
3A:8 -A:37
4A:14 -A:50

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2JZM)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2JZM)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2JZM)

(-) Exons   (0, 0)

(no "Exon" information available for 2JZM)

(-) 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:53
 aligned with Q40378_NICAL | Q40378 from UniProtKB/TrEMBL  Length:397

    Alignment length:53
                                    63        73        83        93       103   
         Q40378_NICAL    54 DRICTNCCAGTKGCKYFSDDGTFVCEGESDPRNPKACTLNCDPRIAYGVCPRS 106
               SCOP domains d2jzma_ A: automated matches                          SCOP domains
               CATH domains 2jzmA00 A:1-53  [code=3.30.60.30, no name defined]    CATH domains
           Pfam domains (1) ---------------------------------Prot_inhib_II-2jzmA0 Pfam domains (1)
           Pfam domains (2) ---------------------------------Prot_inhib_II-2jzmA0 Pfam domains (2)
         Sec.struct. author ..............eeee...eeeee....................eee.... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------- Transcript
                 2jzm A   1 DRICTNCCAGTKGCKYFSDDGTFVCEGESDPRNPKACTLNCDPRIAYGVCPRS  53
                                    10        20        30        40        50   


Chain A from PDB  Type:PROTEIN  Length:53
 aligned with Q9SQ77_NICAL | Q9SQ77 from UniProtKB/TrEMBL  Length:281

    Alignment length:53
                                    63        73        83        93       103   
         Q9SQ77_NICAL    54 DRICTNCCAGTKGCKYFSDDGTFVCEGESDPRNPKACTLNCDPRIAYGVCPRS 106
               SCOP domains d2jzma_ A: automated matches                          SCOP domains
               CATH domains 2jzmA00 A:1-53  [code=3.30.60.30, no name defined]    CATH domains
           Pfam domains (1) ---------------------------------Prot_inhib_II-2jzmA0 Pfam domains (1)
           Pfam domains (2) ---------------------------------Prot_inhib_II-2jzmA0 Pfam domains (2)
         Sec.struct. author ..............eeee...eeeee....................eee.... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------- Transcript
                 2jzm A   1 DRICTNCCAGTKGCKYFSDDGTFVCEGESDPRNPKACTLNCDPRIAYGVCPRS  53
                                    10        20        30        40        50
   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  (1, 1)

NMR Structure
(-)
Class: Small proteins (3458)

(-) CATH Domains  (1, 1)

NMR Structure
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (1, 2)

NMR Structure
(-)
Clan: no clan defined [family: Prot_inhib_II] (6)

(-) Gene Ontology  (2, 4)

NMR Structure(hide GO term definitions)
Chain A   (Q40378_NICAL | Q40378)
molecular function
    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.

Chain A   (Q9SQ77_NICAL | Q9SQ77)
molecular function
    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.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/TrEMBL
        Q40378_NICAL | Q40378: 1ce3 1fyb 1qh2 1tih 1vtp 1ytp 2jyy

(-) Related Entries Specified in the PDB File

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