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(-) Description

Title :  SOLUTION STRUCTURE OF C1-T1, A TWO-DOMAIN PROTEINASE INHIBITOR DERIVED FROM THE CIRCULAR PRECURSOR PROTEIN NA-PROPI FROM NICOTIANA ALATA
 
Authors :  D. J. Craik, H. J. Schirra, M. J. Scanlon, M. A. Anderson
Date :  28 Sep 00  (Deposition) - 21 Feb 01  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (20x)
Keywords :  Two-Domain Protein, Hydrolase Inhibitor (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  H. J. Schirra, M. J. Scanlon, M. C. Lee, M. A. Anderson, D. J. Craik
The Solution Structure Of C1-T1, A Two-Domain Proteinase Inhibitor Derived From A Circular Precursor Protein From Nicotiana Alata.
J. Mol. Biol. V. 306 69 2001
PubMed-ID: 11178894  |  Reference-DOI: 10.1006/JMBI.2000.4318
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - PROTEINASE INHIBITOR
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Expression System Vector: PET11A
    Expression System Vector Type: PLASMID
    Fragment: DOMAINS 1 AND 2 (C1 AND T1) FROM THE SIX-DOMAIN PRECURSOR PROTEIN NA-PROPI
    Organism Common: PERSIAN TOBACCO
    Organism Scientific: NICOTIANA ALATA
    Organism Taxid: 4087
    Synonym: NA-PROPI

 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 1FYB)

(-) Sites  (0, 0)

(no "Site" information available for 1FYB)

(-) SS Bonds  (8, 8)

NMR Structure
No.Residues
1A:4 -A:41
2A:7 -A:25
3A:8 -A:37
4A:14 -A:50
5A:62 -A:99
6A:65 -A:83
7A:66 -A:95
8A:72 -A:108

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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(-) Exons   (0, 0)

(no "Exon" information available for 1FYB)

(-) 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:111
 aligned with Q40378_NICAL | Q40378 from UniProtKB/TrEMBL  Length:397

    Alignment length:111
                                    63        73        83        93       103       113       123       133       143       153       163 
         Q40378_NICAL    54 DRICTNCCAGTKGCKYFSDDGTFVCEGESDPRNPKACTLNCDPRIAYGVCPRSEEKKNDRICTNCCAGTKGCKYFSDDGTFVCEGESDPRNPKACPRNCDPRIAYGICPLA 164
               SCOP domains d1fyba1 A:1-55 Multidomain proteinase inhibitor        d1fyba2 A:56-111 Multidomain proteinase inhibitor        SCOP domains
               CATH domains 1fybA01 A:1-51  [code=3.30.60.30, no name defined] 1fybA02 A:52-111  [code=3.30.60.30, no name defined]         CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..............eeee...ee.....................eeeee.......................eeee...eeeee..................eeeee.... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------- Transcript
                 1fyb A   1 DRICTNCCAGTKGCKYFSDDGTFVCEGESDPRNPKACTLNCDPRIAYGVCPRSEEKKNDRICTNCCAGTKGCKYFSDDGTFVCEGESDPRNPKACPRNCDPRIAYGICPLA 111
                                    10        20        30        40        50        60        70        80        90       100       110
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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, 2)

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

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (2, 2)

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.

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 Related Entries

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

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

(-) Related Entries Specified in the PDB File

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