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(-) Description

Title :  CRYSTAL STRUCTURE OF EXFOLIATIVE TOXIN B
 
Authors :  G. M. Vath, C. A. Earhart, D. D. Monie, P. M. Schlievert, D. H. Ohlendorf
Date :  27 Jun 99  (Deposition) - 31 Aug 99  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.40
Chains :  Asym./Biol. Unit :  A
Keywords :  Serine Protease, Superantigen, Hydrolase, Toxin (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  G. M. Vath, C. A. Earhart, D. D. Monie, J. J. Iandolo, P. M. Schlievert, D. H. Ohlendorf
The Crystal Structure Of Exfoliative Toxin B: A Superantigen With Enzymatic Activity.
Biochemistry V. 38 10239 1999
PubMed-ID: 10441117  |  Reference-DOI: 10.1021/BI990721E
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - EXFOLIATIVE TOXIN B
    Chains: A
    EC Number: 3.4.21.-
    Organism Scientific: STAPHYLOCOCCUS AUREUS
    Organism Taxid: 1280
    Plasmid: PRW001
    Strain: RN4220
    Synonym: EPIDERMOLYTIC TOXIN B

 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 1QTF)

(-) Sites  (0, 0)

(no "Site" information available for 1QTF)

(-) SS Bonds  (0, 0)

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

(-) 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 1QTF)

(-) 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 1QTF)

(-) 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:246
 aligned with ETB_STAAU | P09332 from UniProtKB/Swiss-Prot  Length:277

    Alignment length:246
                                    41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271      
            ETB_STAAU    32 KEYSAEEIRKLKQKFEVPPTDKELYTHITDNARSPYNSVGTVFVKGSTLATGVLIGKNTIVTNYHVAREAAKNPSNIIFTPAQNRDAEKNEFPTPYGKFEAEEIKESPYGQGLDLAIIKLKPNEKGESAGDLIQPANIPDHIDIQKGDKYSLLGYPYNYSAYSLYQSQIEMFNDSQYFGYTEVGNSGSGIFNLKGELIGIHSGKGGQHNLPIGVFFNRKISSLYSVDNTFGDTLGNDLKKRAKLDK 277
               SCOP domains d1qtfa_ A: Exfoliative toxin B                                                                                                                                                                                                                         SCOP domains
               CATH domains 1qtfA01 A:1-39,A:136-216               1qtfA02 A:40-135,A:218-243 Trypsin-like serine proteases                                        1qtfA01 A:1-39,A:136-216 Trypsin-like serine proteases                           -1qtfA02 A:40-135,A:218-243--- CATH domains
               Pfam domains ---------------------------Trypsin-1qtfA01 A:28-223                                                                                                                                                                            ----------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhhhh.........eee.......hhh.eeeeee...eeeeeeeee..eeeehhhhhhhhh.hhh.eeeee.................eeeeeee..........eeeee.......hhhhhh...............eeeeee..........eeeeeee.....ee...hhhhh..eee.....eeeeeeeee....eeeeee.................hhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE --------------------------------------------------V8_HIS         -------------------------------------------------------------------------------------------------------------------V8_SER     ------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1qtf A   1 KEYSAEEIRKLKQKFEVPPTDKELYTHITDNARSPYNSVGTVFVKGSTLATGVLIGKNTIVTNYHVAREAAKNPSNIIFTPAQNRDAEKNEFPTPYGKFEAEEIKESPYGQGLDLAIIKLKPNEKGESAGDLIQPANIPDHIDIAKGDKYSLLGYPYNYSAYSLYQSQIEMFNDSQYFGYTEVGNSGSGIFNLKGELIGIHSGKGGQHNLPIGVFFNRKISSLYSVDNTFGDTLGNDLKKRAKLDK 246
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
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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)

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

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Clan: Peptidase_PA (797)

(-) 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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  Cis Peptide Bonds
    Ser A:34 - Pro A:35   [ RasMol ]  
 

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        ETB_STAAU | P09332: 1dt2

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