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(-) Description

Title :  CRYSTAL STRUCTURE OF THE B SUBUNIT OF HEAT-LABILE ENTEROTOXIN FROM E. COLI CARRYING A PEPTIDE WITH ANTI-HSV ACTIVITY
 
Authors :  D. Matkovic-Calogovic, A. Loregian, M. R. D'Acunto, R. Battistutta, A. Tossi, G. Palu, G. Zanotti
Date :  04 Jan 99  (Deposition) - 13 Jan 99  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  3.30
Chains :  Asym./Biol. Unit :  D,E,F,G,H
Keywords :  B Subunit, Heat-Labile Enterotoxin Anti-Hsv (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  D. Matkovic-Calogovic, A. Loregian, M. R. D'Acunto, R. Battistutta, A. Tossi, G. Palu, G. Zanotti
Crystal Structure Of The B Subunit Of Escherichia Coli Heat-Labile Enterotoxin Carrying Peptides With Anti-Herpes Simplex Virus Type 1 Activity.
J. Biol. Chem. V. 274 8764 1999
PubMed-ID: 10085117
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - PROTEIN (B-POL SUBUNIT OF HEAT-LABILE ENTEROTOXIN)
    ChainsD, E, F, G, H
    EngineeredYES
    Expression SystemVIBRIO CHOLERAE
    Expression System PlasmidPAM320
    Expression System Taxid666
    Expression System Vector TypePLASMID
    FragmentSUBUNIT B
    Organism ScientificESCHERICHIA COLI
    Organism Taxid562
    Other DetailsTHE B SUBUNIT HAS A PEPTIDE WITH ANTI-HSV ACTIVITY AS AN EXTENSION.
    Other Details - SourceTHE PROTEIN WAS CLONED AND EXPRESSED IN VIBRIO CHOLERA
    SynonymETB-POL

 Structural Features

(-) Chains, Units

  12345
Asymmetric/Biological Unit DEFGH

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 1B44)

(-) Sites  (0, 0)

(no "Site" information available for 1B44)

(-) SS Bonds  (5, 5)

Asymmetric/Biological Unit
No.Residues
1D:9 -D:86
2E:9 -E:86
3F:9 -F:86
4G:9 -G:86
5H:9 -H:86

(-) Cis Peptide Bonds  (5, 5)

Asymmetric/Biological Unit
No.Residues
1Thr D:92 -Pro D:93
2Thr E:92 -Pro E:93
3Thr F:92 -Pro F:93
4Thr G:92 -Pro G:93
5Thr H:92 -Pro H:93

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (2, 10)

Asymmetric/Biological Unit (2, 10)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_ELBH_ECOLX_001 *H34RELBH_ECOLX  ---  ---D/E/F/G/HH13R
2UniProtVAR_ELBH_ECOLX_002 *T96AELBH_ECOLX  ---  ---D/E/F/G/HT75A
   * ID not provided by source

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1B44)

(-) Exons   (0, 0)

(no "Exon" information available for 1B44)

(-) 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 D from PDB  Type:PROTEIN  Length:106
 aligned with ELBH_ECOH1 | D0Z6T1 from UniProtKB/Swiss-Prot  Length:124

    Alignment length:106
                                                                                                                                124   
                                    31        41        51        61        71        81        91       101       111       121  |   
           ELBH_ECOH1    22 APQSITELCSEYRNTQIYTINDKILSYTESMAGKREMVIITFKSGATFQVEVPGSQHIDSQKKAIERMKDTLRITYLTETKIDKLCVWNNKTPNSIAAISMEN---   -
               SCOP domains d1b44d_ D: Heat-labile toxin                                                                               SCOP domains
               CATH domains 1b44D00 D:1-106  [code=2.40.50.110, no name defined]                                                       CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....hhhhhhh...eeeee......eeee........eeee.....eeee.........hhhhhhhhhhhhhhhhhh......eeeee......eeeeee...... Sec.struct. author
                 SAPs(SNPs) ------------R-------------------------------------------------------------A------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------- Transcript
                 1b44 D   1 APQSITELCSEYHNTQIYTINDKILSYTESMAGKREMVIITFKSGATFQVEVPGSQHIDSQKKAIERMKDTLRITYLTETKIDKLCVWNNKTPNSIAAISMEKLAG 106
                                    10        20        30        40        50        60        70        80        90       100      

Chain D from PDB  Type:PROTEIN  Length:106
 aligned with ELBH_ECOLX | P0CK94 from UniProtKB/Swiss-Prot  Length:124

    Alignment length:106
                                                                                                                                124   
                                    31        41        51        61        71        81        91       101       111       121  |   
           ELBH_ECOLX    22 APQSITELCSEYHNTQIYTINDKILSYTESMAGKREMVIITFKSGATFQVEVPGSQHIDSQKKAIERMKDTLRITYLTETKIDKLCVWNNKTPNSIAAISMEN---   -
               SCOP domains d1b44d_ D: Heat-labile toxin                                                                               SCOP domains
               CATH domains 1b44D00 D:1-106  [code=2.40.50.110, no name defined]                                                       CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....hhhhhhh...eeeee......eeee........eeee.....eeee.........hhhhhhhhhhhhhhhhhh......eeeee......eeeeee...... Sec.struct. author
                 SAPs(SNPs) ------------R-------------------------------------------------------------A------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------- Transcript
                 1b44 D   1 APQSITELCSEYHNTQIYTINDKILSYTESMAGKREMVIITFKSGATFQVEVPGSQHIDSQKKAIERMKDTLRITYLTETKIDKLCVWNNKTPNSIAAISMEKLAG 106
                                    10        20        30        40        50        60        70        80        90       100      

Chain E from PDB  Type:PROTEIN  Length:107
 aligned with ELBH_ECOH1 | D0Z6T1 from UniProtKB/Swiss-Prot  Length:124

    Alignment length:107
                                                                                                                                124    
                                    31        41        51        61        71        81        91       101       111       121  |    
           ELBH_ECOH1    22 APQSITELCSEYRNTQIYTINDKILSYTESMAGKREMVIITFKSGATFQVEVPGSQHIDSQKKAIERMKDTLRITYLTETKIDKLCVWNNKTPNSIAAISMEN----   -
               SCOP domains d1b44e_ E: Heat-labile toxin                                                                                SCOP domains
               CATH domains 1b44E00 E:1-107  [code=2.40.50.110, no name defined]                                                        CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....hhhhhhh...eeeee......eeeee......eeeee.....eeee........hhhhhhhhhhhhhhhhhhh......eeeee......eeeeee....... Sec.struct. author
                 SAPs(SNPs) ------------R-------------------------------------------------------------A-------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------- Transcript
                 1b44 E   1 APQSITELCSEYHNTQIYTINDKILSYTESMAGKREMVIITFKSGATFQVEVPGSQHIDSQKKAIERMKDTLRITYLTETKIDKLCVWNNKTPNSIAAISMEKLAGF 107
                                    10        20        30        40        50        60        70        80        90       100       

Chain E from PDB  Type:PROTEIN  Length:107
 aligned with ELBH_ECOLX | P0CK94 from UniProtKB/Swiss-Prot  Length:124

    Alignment length:107
                                                                                                                                124    
                                    31        41        51        61        71        81        91       101       111       121  |    
           ELBH_ECOLX    22 APQSITELCSEYHNTQIYTINDKILSYTESMAGKREMVIITFKSGATFQVEVPGSQHIDSQKKAIERMKDTLRITYLTETKIDKLCVWNNKTPNSIAAISMEN----   -
               SCOP domains d1b44e_ E: Heat-labile toxin                                                                                SCOP domains
               CATH domains 1b44E00 E:1-107  [code=2.40.50.110, no name defined]                                                        CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....hhhhhhh...eeeee......eeeee......eeeee.....eeee........hhhhhhhhhhhhhhhhhhh......eeeee......eeeeee....... Sec.struct. author
                 SAPs(SNPs) ------------R-------------------------------------------------------------A-------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------- Transcript
                 1b44 E   1 APQSITELCSEYHNTQIYTINDKILSYTESMAGKREMVIITFKSGATFQVEVPGSQHIDSQKKAIERMKDTLRITYLTETKIDKLCVWNNKTPNSIAAISMEKLAGF 107
                                    10        20        30        40        50        60        70        80        90       100       

Chain F from PDB  Type:PROTEIN  Length:106
 aligned with ELBH_ECOH1 | D0Z6T1 from UniProtKB/Swiss-Prot  Length:124

    Alignment length:106
                                                                                                                                124   
                                    31        41        51        61        71        81        91       101       111       121  |   
           ELBH_ECOH1    22 APQSITELCSEYRNTQIYTINDKILSYTESMAGKREMVIITFKSGATFQVEVPGSQHIDSQKKAIERMKDTLRITYLTETKIDKLCVWNNKTPNSIAAISMEN---   -
               SCOP domains d1b44f_ F: Heat-labile toxin                                                                               SCOP domains
               CATH domains 1b44F00 F:1-106  [code=2.40.50.110, no name defined]                                                       CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....hhhhhhh...eeeee......eeeeeee..eeeeeee.....eeee..........hhhhhhhhhhhhhhhhh......eeeee......eeeeee...... Sec.struct. author
                 SAPs(SNPs) ------------R-------------------------------------------------------------A------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------- Transcript
                 1b44 F   1 APQSITELCSEYHNTQIYTINDKILSYTESMAGKREMVIITFKSGATFQVEVPGSQHIDSQKKAIERMKDTLRITYLTETKIDKLCVWNNKTPNSIAAISMEKLAG 106
                                    10        20        30        40        50        60        70        80        90       100      

Chain F from PDB  Type:PROTEIN  Length:106
 aligned with ELBH_ECOLX | P0CK94 from UniProtKB/Swiss-Prot  Length:124

    Alignment length:106
                                                                                                                                124   
                                    31        41        51        61        71        81        91       101       111       121  |   
           ELBH_ECOLX    22 APQSITELCSEYHNTQIYTINDKILSYTESMAGKREMVIITFKSGATFQVEVPGSQHIDSQKKAIERMKDTLRITYLTETKIDKLCVWNNKTPNSIAAISMEN---   -
               SCOP domains d1b44f_ F: Heat-labile toxin                                                                               SCOP domains
               CATH domains 1b44F00 F:1-106  [code=2.40.50.110, no name defined]                                                       CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....hhhhhhh...eeeee......eeeeeee..eeeeeee.....eeee..........hhhhhhhhhhhhhhhhh......eeeee......eeeeee...... Sec.struct. author
                 SAPs(SNPs) ------------R-------------------------------------------------------------A------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------- Transcript
                 1b44 F   1 APQSITELCSEYHNTQIYTINDKILSYTESMAGKREMVIITFKSGATFQVEVPGSQHIDSQKKAIERMKDTLRITYLTETKIDKLCVWNNKTPNSIAAISMEKLAG 106
                                    10        20        30        40        50        60        70        80        90       100      

Chain G from PDB  Type:PROTEIN  Length:106
 aligned with ELBH_ECOH1 | D0Z6T1 from UniProtKB/Swiss-Prot  Length:124

    Alignment length:106
                                                                                                                                124   
                                    31        41        51        61        71        81        91       101       111       121  |   
           ELBH_ECOH1    22 APQSITELCSEYRNTQIYTINDKILSYTESMAGKREMVIITFKSGATFQVEVPGSQHIDSQKKAIERMKDTLRITYLTETKIDKLCVWNNKTPNSIAAISMEN---   -
               SCOP domains d1b44g_ G: Heat-labile toxin                                                                               SCOP domains
               CATH domains 1b44G00 G:1-106  [code=2.40.50.110, no name defined]                                                       CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....hhhhhhh...eeeee......eeeeeee..eeeeeee.....eeee........hhhhhhhhhhhhhhhhhhh....eeeeeee.........eeee..... Sec.struct. author
                 SAPs(SNPs) ------------R-------------------------------------------------------------A------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------- Transcript
                 1b44 G   1 APQSITELCSEYHNTQIYTINDKILSYTESMAGKREMVIITFKSGATFQVEVPGSQHIDSQKKAIERMKDTLRITYLTETKIDKLCVWNNKTPNSIAAISMEKLAG 106
                                    10        20        30        40        50        60        70        80        90       100      

Chain G from PDB  Type:PROTEIN  Length:106
 aligned with ELBH_ECOLX | P0CK94 from UniProtKB/Swiss-Prot  Length:124

    Alignment length:106
                                                                                                                                124   
                                    31        41        51        61        71        81        91       101       111       121  |   
           ELBH_ECOLX    22 APQSITELCSEYHNTQIYTINDKILSYTESMAGKREMVIITFKSGATFQVEVPGSQHIDSQKKAIERMKDTLRITYLTETKIDKLCVWNNKTPNSIAAISMEN---   -
               SCOP domains d1b44g_ G: Heat-labile toxin                                                                               SCOP domains
               CATH domains 1b44G00 G:1-106  [code=2.40.50.110, no name defined]                                                       CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....hhhhhhh...eeeee......eeeeeee..eeeeeee.....eeee........hhhhhhhhhhhhhhhhhhh....eeeeeee.........eeee..... Sec.struct. author
                 SAPs(SNPs) ------------R-------------------------------------------------------------A------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------- Transcript
                 1b44 G   1 APQSITELCSEYHNTQIYTINDKILSYTESMAGKREMVIITFKSGATFQVEVPGSQHIDSQKKAIERMKDTLRITYLTETKIDKLCVWNNKTPNSIAAISMEKLAG 106
                                    10        20        30        40        50        60        70        80        90       100      

Chain H from PDB  Type:PROTEIN  Length:106
 aligned with ELBH_ECOH1 | D0Z6T1 from UniProtKB/Swiss-Prot  Length:124

    Alignment length:106
                                                                                                                                124   
                                    31        41        51        61        71        81        91       101       111       121  |   
           ELBH_ECOH1    22 APQSITELCSEYRNTQIYTINDKILSYTESMAGKREMVIITFKSGATFQVEVPGSQHIDSQKKAIERMKDTLRITYLTETKIDKLCVWNNKTPNSIAAISMEN---   -
               SCOP domains d1b44h_ H: Heat-labile toxin                                                                               SCOP domains
               CATH domains 1b44H00 H:1-106  [code=2.40.50.110, no name defined]                                                       CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....hhhhhhh...eeeee......eeee........eeee.....eeee........hhhhhhhhhhhhhhhhhhh....eeeeeee.........eeee..... Sec.struct. author
                 SAPs(SNPs) ------------R-------------------------------------------------------------A------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------- Transcript
                 1b44 H   1 APQSITELCSEYHNTQIYTINDKILSYTESMAGKREMVIITFKSGATFQVEVPGSQHIDSQKKAIERMKDTLRITYLTETKIDKLCVWNNKTPNSIAAISMEKLAG 106
                                    10        20        30        40        50        60        70        80        90       100      

Chain H from PDB  Type:PROTEIN  Length:106
 aligned with ELBH_ECOLX | P0CK94 from UniProtKB/Swiss-Prot  Length:124

    Alignment length:106
                                                                                                                                124   
                                    31        41        51        61        71        81        91       101       111       121  |   
           ELBH_ECOLX    22 APQSITELCSEYHNTQIYTINDKILSYTESMAGKREMVIITFKSGATFQVEVPGSQHIDSQKKAIERMKDTLRITYLTETKIDKLCVWNNKTPNSIAAISMEN---   -
               SCOP domains d1b44h_ H: Heat-labile toxin                                                                               SCOP domains
               CATH domains 1b44H00 H:1-106  [code=2.40.50.110, no name defined]                                                       CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....hhhhhhh...eeeee......eeee........eeee.....eeee........hhhhhhhhhhhhhhhhhhh....eeeeeee.........eeee..... Sec.struct. author
                 SAPs(SNPs) ------------R-------------------------------------------------------------A------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------- Transcript
                 1b44 H   1 APQSITELCSEYHNTQIYTINDKILSYTESMAGKREMVIITFKSGATFQVEVPGSQHIDSQKKAIERMKDTLRITYLTETKIDKLCVWNNKTPNSIAAISMEKLAG 106
                                    10        20        30        40        50        60        70        80        90       100      

   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, 5)

Asymmetric/Biological Unit

(-) CATH Domains  (1, 5)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1B44)

(-) Gene Ontology  (2, 4)

Asymmetric/Biological Unit(hide GO term definitions)
Chain D,E,F,G,H   (ELBH_ECOH1 | D0Z6T1)
biological process
    GO:0009405    pathogenesis    The set of specific processes that generate the ability of an organism to induce an abnormal, generally detrimental state in another organism.
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.

Chain D,E,F,G,H   (ELBH_ECOLX | P0CK94)
biological process
    GO:0009405    pathogenesis    The set of specific processes that generate the ability of an organism to induce an abnormal, generally detrimental state in another organism.
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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  Cis Peptide Bonds
    Thr D:92 - Pro D:93   [ RasMol ]  
    Thr E:92 - Pro E:93   [ RasMol ]  
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 Related Entries

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

UniProtKB/Swiss-Prot
        ELBH_ECOH1 | D0Z6T11ltr 2o2l
        ELBH_ECOLX | P0CK941ltr 2o2l 3efx

(-) Related Entries Specified in the PDB File

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