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(-) Description

Title :  THREE DIMENSIONAL STRUCTURE OF PINEAPPLE CYSTATIN
 
Authors :  C. C. L. Chyan, I. I. Deli, B. B. J. Chen
Date :  15 Oct 10  (Deposition) - 26 Oct 11  (Release) - 11 Feb 15  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A  (20x)
NMR Structure *:  A  (1x)
Keywords :  Cystatin, Protease Inhibitor, Hydrolase Inhibitor (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  D. Irene, B. J. Chen, S. H. Lo, T. H. Liu, J. T. C. Tzen, C. L. Chyan
Resonance Assignments And Secondary Structure Of A Phytocystatin From Ananas Comosus
Biomol. Nmr Assign. V. 6 99 2012
PubMed-ID: 21814766  |  Reference-DOI: 10.1007/S12104-011-9334-1
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CYSTATIN
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Expression System Vector: PET28A
    Expression System Vector Type: VECTOR
    Organism Common: PINEAPPLE
    Organism Scientific: ANANAS COMOSUS
    Organism Taxid: 4615

 Structural Features

(-) Chains, Units

  1
NMR Structure (20x): 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 2L4V)

(-) Sites  (0, 0)

(no "Site" information available for 2L4V)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2L4V)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2L4V)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2L4V)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2L4V)

(-) Exons   (0, 0)

(no "Exon" information available for 2L4V)

(-) 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:135
 aligned with C9W181_ANACO | C9W181 from UniProtKB/TrEMBL  Length:185

    Alignment length:135
                                    60        70        80        90       100       110       120       130       140       150       160       170       180     
         C9W181_ANACO    51 MADEQPKKPVPAAEEAPAAEAEAEEEEGLHLEDDQEPREHPIMGGIYDAPLNNENGFDKEDLARFAVREYNNKNNALLEFVRVVKAKEQVVSGMMHYLTVEVNDAGKKKLYEAKVWEQVWMNFRQLQEFTYLGDA 185
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .......................................................hhhhhhhhhhhhhhhhhhh....eeeeeeeeeee....eeeeeeeeeee..eeeeeeeeeee......eeeeeeee.... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2l4v A   1 MADEQPKKPVPAAEEAPAAEAEAEEEEGLHLEDDQEPREHPIMGGIYDAPLNNENGFDKEDLARFAVREYNNKNNALLEFVRVVKAKEQVVSGMMHYLTVEVNDAGKKKLYEAKVWEQVWMNFRQLQEFTYLGDA 135
                                    10        20        30        40        50        60        70        80        90       100       110       120       130     


Chain A from PDB  Type:PROTEIN  Length:135
 aligned with Q687J0_ANACO | Q687J0 from UniProtKB/TrEMBL  Length:135

    Alignment length:135
                                    10        20        30        40        50        60        70        80        90       100       110       120       130     
         Q687J0_ANACO     1 MADEQPKKPVPAAEEAPAAEAEAEEEEGLHLEDDQEPREHPIMGGIYDAPLNNENGFDKEDLARFAVREYNNKNNALLEFVRVVKAKEQVVSGMMHYLTVEVNDAGKKKLYEAKVWEQVWMNFRQLQEFTYLGDA 135
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .......................................................hhhhhhhhhhhhhhhhhhh....eeeeeeeeeee....eeeeeeeeeee..eeeeeeeeeee......eeeeeeee.... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2l4v A   1 MADEQPKKPVPAAEEAPAAEAEAEEEEGLHLEDDQEPREHPIMGGIYDAPLNNENGFDKEDLARFAVREYNNKNNALLEFVRVVKAKEQVVSGMMHYLTVEVNDAGKKKLYEAKVWEQVWMNFRQLQEFTYLGDA 135
                                    10        20        30        40        50        60        70        80        90       100       110       120       130
   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  (0, 0)

(no "SCOP Domain" information available for 2L4V)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2L4V)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2L4V)

(-) Gene Ontology  (4, 8)

NMR Structure(hide GO term definitions)
Chain A   (Q687J0_ANACO | Q687J0)
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.

Chain A   (C9W181_ANACO | C9W181)
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.

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