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(-) Description

Title :  CRYSTAL STRUCTURE OF EXFOLIATIVE TOXIN B
 
Authors :  A. C. Papageorgiou, L. R. W. Plano, C. M. Collins, K. R. Acharya
Date :  11 Jan 00  (Deposition) - 21 Jan 03  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.80
Chains :  Asym./Biol. Unit :  A
Keywords :  Toxin, Epidermolysis, Superantigen, Serine Protease, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. C. Papageorgiou, L. R. Plano, C. M. Collins, K. R. Acharya
Structural Similarities And Differences In Staphylococcus Aureus Exfoliative Toxins A And B As Revealed By Their Crystal Structures.
Protein Sci. V. 9 610 2000
PubMed-ID: 10752623
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - EXFOLIATIVE TOXIN B
    Chains: A
    EC Number: 3.4.21.-
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET15B
    Expression System Taxid: 562
    Organism Scientific: STAPHYLOCOCCUS AUREUS
    Organism Taxid: 1280
    Other Details: CHROMOSOMAL DNA OF S. AUREUS ISOLATED FROM A PATIENT WITH STAPHYLOCOCCAL SCALDED SKIN DISEASE

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 1DT2)

(-) Sites  (0, 0)

(no "Site" information available for 1DT2)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1DT2)

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Ser A:34 -Pro A:35

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1DT2)

(-) PROSITE Motifs  (2, 2)

Asymmetric/Biological Unit (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1V8_HISPS00672 Serine proteases, V8 family, histidine active site.ETB_STAAU82-96  1A:51-65
2V8_SERPS00673 Serine proteases, V8 family, serine active site.ETB_STAAU212-222  1A:181-191

(-) Exons   (0, 0)

(no "Exon" information available for 1DT2)

(-) 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:245
 aligned with ETB_STAAU | P09332 from UniProtKB/Swiss-Prot  Length:277

    Alignment length:245
                                    42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272     
            ETB_STAAU    33 EYSAEEIRKLKQKFEVPPTDKELYTHITDNARSPYNSVGTVFVKGSTLATGVLIGKNTIVTNYHVAREAAKNPSNIIFTPAQNRDAEKNEFPTPYGKFEAEEIKESPYGQGLDLAIIKLKPNEKGESAGDLIQPANIPDHIDIQKGDKYSLLGYPYNYSAYSLYQSQIEMFNDSQYFGYTEVGNSGSGIFNLKGELIGIHSGKGGQHNLPIGVFFNRKISSLYSVDNTFGDTLGNDLKKRAKLDK 277
               SCOP domains d1dt2a_ A: Exfoliative toxin B                                                                                                                                                                                                                        SCOP domains
               CATH domains --1dt2A01 A:4-39,A:136-216            1dt2A02 A:40-135,A:218-243 Trypsin-like serine proteases                                        1dt2A01 A:4-39,A:136-216 Trypsin-like serine proteases                           -1dt2A02 A:40-135,A:218-243--- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....hhhhhhh...........eee.......hhh.eeeeee...eeeeeee....eeeehhhhhhh...hhh.eeeee.................eeeeeee..........eeeee.......hhhhhh...............eeeeee.hhhhhh...eeeeeee.....ee..........eee.....eeeeeeeee....eeeeee...eehhhhh......eehhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------V8_HIS         -------------------------------------------------------------------------------------------------------------------V8_SER     ------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1dt2 A   2 EYSAEEIRKLKQKFEVPPTDKELYTHITDNARSPYNSVGTVFVKGSTLATGVLIGKNTIVTNYHVAREAAKNPSNIIFTPAQNRDAEKNEFPTPYGKFEAEEIKESPYGQGLDLAIIKLKPNEKGESAGDLIQPANIPDHIDIQKGDKYSLLGYPYNYSAYSLYQSQIEMFNDSQYFGYTEVGNSGSGIFNLKGELIGIHSGKGGQHNLPIGVFFNRKISSLYSVDNTFGDTLGNDLKKRAKLDK 246
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241
   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)

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

(-) CATH Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1DT2)

(-) Gene Ontology  (5, 5)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (ETB_STAAU | P09332)
molecular function
    GO:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
    GO:0008233    peptidase activity    Catalysis of the hydrolysis of a peptide bond. A peptide bond is a covalent bond formed when the carbon atom from the carboxyl group of one amino acid shares electrons with the nitrogen atom from the amino group of a second amino acid.
    GO:0004252    serine-type endopeptidase activity    Catalysis of the hydrolysis of internal, alpha-peptide bonds in a polypeptide chain by a catalytic mechanism that involves a catalytic triad consisting of a serine nucleophile that is activated by a proton relay involving an acidic residue (e.g. aspartate or glutamate) and a basic residue (usually histidine).
    GO:0008236    serine-type peptidase activity    Catalysis of the hydrolysis of peptide bonds in a polypeptide chain by a catalytic mechanism that involves a catalytic triad consisting of a serine nucleophile that is activated by a proton relay involving an acidic residue (e.g. aspartate or glutamate) and a basic residue (usually histidine).
biological process
    GO:0006508    proteolysis    The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.

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    Ser A:34 - Pro A:35   [ RasMol ]  
 

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 Related Entries

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

UniProtKB/Swiss-Prot
        ETB_STAAU | P09332: 1qtf

(-) Related Entries Specified in the PDB File

1dua CRYSTAL STRUCTURE OF EXFOLIATIVE TOXIN A
1due CRYSTAL STRUCTURE OF EXFOLIATIVE TOXIN A S195A MUTANT