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(-) Description

Title :  ESCHERICHIA COLI HEAT LABILE ENTEROTOXIN TYPE IIB B-PENTAMER
 
Authors :  E. A. Merritt, W. G. J. Hol
Date :  30 Apr 99  (Deposition) - 10 Jun 03  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.90
Chains :  Asym./Biol. Unit :  D,E,F,G,H
Keywords :  Enterotoxin (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  E. A. Merritt, F. Van Den Akker, T. D. Connell, R. K. Holmes, W. G. J. Hol
Crystal Structures Of The B-Pentamer From E. Coli Enterotoxin Lt-Iib
To Be Published
PubMed: search
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - PROTEIN (HEAT LABILE ENTEROTOXIN TYPE IIB B- PENTAMER)
    Chains: D, E, F, G, H
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: BLUESCRIPT-KS VECTOR
    Expression System Taxid: 562
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562
    Strain: HB101

 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 1QB5)

(-) Sites  (0, 0)

(no "Site" information available for 1QB5)

(-) SS Bonds  (5, 5)

Asymmetric/Biological Unit
No.Residues
1D:10 -D:81
2E:10 -E:81
3F:10 -F:81
4G:10 -G:81
5H:10 -H:81

(-) Cis Peptide Bonds  (10, 10)

Asymmetric/Biological Unit
No.Residues
1Tyr D:55 -Pro D:56
2Ser D:87 -Pro D:88
3Tyr E:55 -Pro E:56
4Ser E:87 -Pro E:88
5Tyr F:55 -Pro F:56
6Ser F:87 -Pro F:88
7Tyr G:55 -Pro G:56
8Ser G:87 -Pro G:88
9Tyr H:55 -Pro H:56
10Ser H:87 -Pro H:88

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1QB5)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1QB5)

(-) Exons   (0, 0)

(no "Exon" information available for 1QB5)

(-) 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:99
 aligned with E2BB_ECOLX | P43529 from UniProtKB/Swiss-Prot  Length:122

    Alignment length:99
                                    33        43        53        63        73        83        93       103       113         
           E2BB_ECOLX    24 GASQFFKDNCNRTTASLVEGVELTKYISDINNNTDGMYVVSSTGGVWRISRAKDYPDNVMTAEMRKIAMAAVLSGMRVNMCASPASSPNVIWAIELEAE 122
               SCOP domains d1qb5d_ D: Heat-labile toxin                                                                        SCOP domains
               CATH domains 1qb5D00 D:1-99  [code=2.40.50.50, no name defined]                                                  CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhh...eeeeee.eeeeeee......eeeeee....eeee......hhhhhhhhhhhhhhhhhhhh..eeeee......eeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------- Transcript
                 1qb5 D   1 GASQFFKDNCNRTTASLVEGVELTKYISDINNNTDGMYVVSSTGGVWRISRAKDYPDNVMTAEMRKIAMAAVLSGMRVNMCASPASSPNVIWAIELEAE  99
                                    10        20        30        40        50        60        70        80        90         


Chain E from PDB  Type:PROTEIN  Length:99
 aligned with E2BB_ECOLX | P43529 from UniProtKB/Swiss-Prot  Length:122

    Alignment length:99
                                    33        43        53        63        73        83        93       103       113         
           E2BB_ECOLX    24 GASQFFKDNCNRTTASLVEGVELTKYISDINNNTDGMYVVSSTGGVWRISRAKDYPDNVMTAEMRKIAMAAVLSGMRVNMCASPASSPNVIWAIELEAE 122
               SCOP domains d1qb5e_ E: Heat-labile toxin                                                                        SCOP domains
               CATH domains 1qb5E00 E:1-99  [code=2.40.50.50, no name defined]                                                  CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhh....eeeeee.eeeeeee......eeeeee....eeee......hhhhhhhhhhhhhhhhhhhh.eeeeeee.....eeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------- Transcript
                 1qb5 E   1 GASQFFKDNCNRTTASLVEGVELTKYISDINNNTDGMYVVSSTGGVWRISRAKDYPDNVMTAEMRKIAMAAVLSGMRVNMCASPASSPNVIWAIELEAE  99
                                    10        20        30        40        50        60        70        80        90         


Chain F from PDB  Type:PROTEIN  Length:99
 aligned with E2BB_ECOLX | P43529 from UniProtKB/Swiss-Prot  Length:122

    Alignment length:99
                                    33        43        53        63        73        83        93       103       113         
           E2BB_ECOLX    24 GASQFFKDNCNRTTASLVEGVELTKYISDINNNTDGMYVVSSTGGVWRISRAKDYPDNVMTAEMRKIAMAAVLSGMRVNMCASPASSPNVIWAIELEAE 122
               SCOP domains d1qb5f_ F: Heat-labile toxin                                                                        SCOP domains
               CATH domains 1qb5F00 F:1-99  [code=2.40.50.50, no name defined]                                                  CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhh...eeeeee.eeeeeee......eeeeee....eeee......hhhhhhhhhhhhhhhhhhhh..eeeee......eeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------- Transcript
                 1qb5 F   1 GASQFFKDNCNRTTASLVEGVELTKYISDINNNTDGMYVVSSTGGVWRISRAKDYPDNVMTAEMRKIAMAAVLSGMRVNMCASPASSPNVIWAIELEAE  99
                                    10        20        30        40        50        60        70        80        90         


Chain G from PDB  Type:PROTEIN  Length:99
 aligned with E2BB_ECOLX | P43529 from UniProtKB/Swiss-Prot  Length:122

    Alignment length:99
                                    33        43        53        63        73        83        93       103       113         
           E2BB_ECOLX    24 GASQFFKDNCNRTTASLVEGVELTKYISDINNNTDGMYVVSSTGGVWRISRAKDYPDNVMTAEMRKIAMAAVLSGMRVNMCASPASSPNVIWAIELEAE 122
               SCOP domains d1qb5g_ G: Heat-labile toxin                                                                        SCOP domains
               CATH domains 1qb5G00 G:1-99  [code=2.40.50.50, no name defined]                                                  CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhh...eeeeee.eeeeeee......eeeeee....eeee......hhhhhhhhhhhhhhhhhhhh.eeeeeee.....eeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------- Transcript
                 1qb5 G   1 GASQFFKDNCNRTTASLVEGVELTKYISDINNNTDGMYVVSSTGGVWRISRAKDYPDNVMTAEMRKIAMAAVLSGMRVNMCASPASSPNVIWAIELEAE  99
                                    10        20        30        40        50        60        70        80        90         


Chain H from PDB  Type:PROTEIN  Length:99
 aligned with E2BB_ECOLX | P43529 from UniProtKB/Swiss-Prot  Length:122

    Alignment length:99
                                    33        43        53        63        73        83        93       103       113         
           E2BB_ECOLX    24 GASQFFKDNCNRTTASLVEGVELTKYISDINNNTDGMYVVSSTGGVWRISRAKDYPDNVMTAEMRKIAMAAVLSGMRVNMCASPASSPNVIWAIELEAE 122
               SCOP domains d1qb5h_ H: Heat-labile toxin                                                                        SCOP domains
               CATH domains 1qb5H00 H:1-99  [code=2.40.50.50, no name defined]                                                  CATH domains
           Pfam domains (1) LT-IIB-1qb5H01 H:1-99                                                                               Pfam domains (1)
           Pfam domains (2) LT-IIB-1qb5H02 H:1-99                                                                               Pfam domains (2)
           Pfam domains (3) LT-IIB-1qb5H03 H:1-99                                                                               Pfam domains (3)
           Pfam domains (4) LT-IIB-1qb5H04 H:1-99                                                                               Pfam domains (4)
           Pfam domains (5) LT-IIB-1qb5H05 H:1-99                                                                               Pfam domains (5)
         Sec.struct. author ..hhhhhhhhh....eeeeee.eeeeeee.hhhhheeeeee....eeee......hhhhhhhhhhhhhhhhhhhh..eeeeee.....eeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------- Transcript
                 1qb5 H   1 GASQFFKDNCNRTTASLVEGVELTKYISDINNNTDGMYVVSSTGGVWRISRAKDYPDNVMTAEMRKIAMAAVLSGMRVNMCASPASSPNVIWAIELEAE  99
                                    10        20        30        40        50        60        70        80        90
   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
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (1, 5)

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

(-) Pfam Domains  (1, 5)

Asymmetric/Biological Unit
(-)
Clan: no clan defined [family: LT-IIB] (3)

(-) Gene Ontology  (2, 2)

Asymmetric/Biological Unit(hide GO term definitions)
Chain D,E,F,G,H   (E2BB_ECOLX | P43529)
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
    Ser D:87 - Pro D:88   [ RasMol ]  
    Ser E:87 - Pro E:88   [ RasMol ]  
    Ser F:87 - Pro F:88   [ RasMol ]  
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 Related Entries

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

UniProtKB/Swiss-Prot
        E2BB_ECOLX | P43529: 1qcb 1tii 4fnf 4fo2 4fp5 5g3l

(-) Related Entries Specified in the PDB File

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