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(-) Description

Title :  RECOMBINANT MUTANT CHICKEN EGG WHITE CYSTATIN, NMR, 31 STRUCTURES
 
Authors :  T. Dieckmann, L. Mitschang, M. Hofmann, J. Kos, V. Turk, E. A. Auerswald, R. Jaenicke, H. Oschkinat
Date :  14 Apr 98  (Deposition) - 17 Jun 98  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (31x)
Keywords :  Proteinase Inhibitor, Thiol Proteinase, Steffins, Kininogens, Thiol Protease Inhibitor (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  T. Dieckmann, L. Mitschang, M. Hofmann, J. Kos, V. Turk, E. A. Auerswald, R. Jaenicke, H. Oschkinat
The Structures Of Native Phosphorylated Chicken Cystatin And Of A Recombinant Unphosphorylated Variant In Solution.
J. Mol. Biol. V. 234 1048 1993
PubMed-ID: 8263912  |  Reference-DOI: 10.1006/JMBI.1993.1658
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CYSTATIN
    CellEGG
    Cellular LocationCYTOPLASM (WHITE)
    ChainsA
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    MutationYES
    OrganEGG
    Organism CommonCHICKEN
    Organism ScientificGALLUS GALLUS
    Organism Taxid9031

 Structural Features

(-) Chains, Units

  
NMR Structure (31x)

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 1A90)

(-) Sites  (0, 0)

(no "Site" information available for 1A90)

(-) SS Bonds  (2, 2)

NMR Structure
No.Residues
1A:71 -A:81
2A:95 -A:115

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1A90)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1A90)

(-) PROSITE Motifs  (1, 1)

NMR Structure (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1CYSTATINPS00287 Cysteine proteases inhibitors signature.CYT_CHICK75-88  1A:52-65

(-) Exons   (0, 0)

(no "Exon" information available for 1A90)

(-) 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:108
 aligned with CYT_CHICK | P01038 from UniProtKB/Swiss-Prot  Length:139

    Alignment length:108
                                    41        51        61        71        81        91       101       111       121       131        
            CYT_CHICK    32 GAPVPVDENDEGLQRALQFAMAEYNRASNDKYSSRVVRVISAKRQLVSGIKYILQVEIGRTTCPKSSGDLQSCEFHDEPEMAKYTTCTFVVYSIPWLNQIKLLESKCQ 139
               SCOP domains d1a90a_ A: Cystatin                                                                                          SCOP domains
               CATH domains 1a90A00 A:9-116  [code=3.10.450.10, no name defined]                                                         CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..........hhhhhhhhhhhhhhhhhh....eee.......eeee...eeeeeeeeeeee.......................eeeeeeeeee....eeee...... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE -------------------------------------------CYSTATIN      --------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------ Transcript
                 1a90 A   9 GAPVPVDENDEGLQRALQFAIAEYNRASNDKYSSRVVRVISAKRQLVSGIKYILQVEIGRTTCPKSSGDLQSCEFHDEPELAKYTTCTFVVYSIPWLNQIKLLESKCQ 116
                                    18        28        38        48        58        68        78        88        98       108        

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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

(-) CATH Domains  (1, 1)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1A90)

(-) Gene Ontology  (5, 5)

NMR Structure(hide GO term definitions)
Chain A   (CYT_CHICK | P01038)
molecular function
    GO:0004869    cysteine-type endopeptidase inhibitor activity    Stops, prevents or reduces the activity of a cysteine-type endopeptidase, any enzyme that hydrolyzes peptide bonds in polypeptides by a mechanism in which the sulfhydryl group of a cysteine residue at the active center acts as a nucleophile.
    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: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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 Related Entries

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

UniProtKB/Swiss-Prot
        CYT_CHICK | P010381a67 1cew 1yvb

(-) Related Entries Specified in the PDB File

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