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(-) Description

Title :  CRYSTAL STRUCTURE OF CFAE, THE ADHESIVE SUBUNIT OF CFA/I FIMBRIA OF ENTEROTOXIGENIC ESCHERICHIA COLI
 
Authors :  Y. F. Li, D. Xia, S. Poole, F. Rasulova, S. J. Savarino
Date :  13 Jun 06  (Deposition) - 26 Jun 07  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.30
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Cfae, Adhesin, Etec, Cfa/I, Traveler'S Disease, Cell Adhesion (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  Y. F. Li, S. Poole, F. Rasulova, A. L. Mcveigh, S. J. Savarino, D. Xia
A Receptor-Binding Site As Revealed By The Crystal Structure Of Cfae, The Colonization Factor Antigen I Fimbrial Adhesin Of Enterotoxigenic Escherichia Coli.
J. Biol. Chem. V. 282 23970 2007
PubMed-ID: 17569668  |  Reference-DOI: 10.1074/JBC.M700921200
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CFA/I FIMBRIAL SUBUNIT E
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Gene: CFAE
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562
    Synonym: COLONIZATION FACTOR ANTIGEN I SUBUNIT E

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (1x): A 
Biological Unit 2 (1x):  B

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 7)

Asymmetric Unit (2, 7)
No.NameCountTypeFull Name
1MLI3Ligand/IonMALONATE ION
2PEG4Ligand/IonDI(HYDROXYETHYL)ETHER
Biological Unit 1 (2, 4)
No.NameCountTypeFull Name
1MLI2Ligand/IonMALONATE ION
2PEG2Ligand/IonDI(HYDROXYETHYL)ETHER
Biological Unit 2 (2, 3)
No.NameCountTypeFull Name
1MLI1Ligand/IonMALONATE ION
2PEG2Ligand/IonDI(HYDROXYETHYL)ETHER

(-) Sites  (7, 7)

Asymmetric Unit (7, 7)
No.NameEvidenceResiduesDescription
1AC1SOFTWARESER A:74 , SER A:75 , GLN A:76 , SER A:85 , HOH A:992 , ILE B:94BINDING SITE FOR RESIDUE MLI A 901
2AC2SOFTWARETHR A:307 , TRP A:309 , PEG A:801 , HOH A:1086 , HOH A:1150 , HOH A:1221BINDING SITE FOR RESIDUE MLI A 902
3AC3SOFTWARESER B:74 , SER B:75 , GLN B:76 , SER B:85 , HOH B:923 , HOH B:972 , HOH B:1065 , HOH B:1122BINDING SITE FOR RESIDUE MLI B 903
4AC4SOFTWAREARG A:108 , LEU A:110 , THR A:307 , LEU A:325 , MLI A:902 , HOH A:1221BINDING SITE FOR RESIDUE PEG A 801
5AC5SOFTWARETYR A:243 , SER A:248 , SER A:356 , SER A:357 , GLN A:358 , HOH A:993 , HOH A:1089BINDING SITE FOR RESIDUE PEG A 802
6AC6SOFTWAREILE B:47 , ASN B:49 , ASN B:52 , TYR B:58 , HOH B:1118 , HOH B:1176 , HOH B:1240BINDING SITE FOR RESIDUE PEG B 803
7AC7SOFTWAREGLN B:76 , ASN B:77 , THR B:78 , GLU B:114 , HOH B:1152BINDING SITE FOR RESIDUE PEG B 804

(-) SS Bonds  (6, 6)

Asymmetric Unit
No.Residues
1A:72 -A:83
2A:130 -A:143
3A:238 -A:326
4B:72 -B:83
5B:130 -B:143
6B:238 -B:326

(-) Cis Peptide Bonds  (5, 5)

Asymmetric Unit
No.Residues
1Gly A:37 -Pro A:38
2Met A:317 -Pro A:318
3Gly B:37 -Pro B:38
4Met B:317 -Pro B:318
5Gln B:358 -Thr B:359

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2HB0)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2HB0)

(-) Exons   (0, 0)

(no "Exon" information available for 2HB0)

(-) Sequences/Alignments

Asymmetric 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:356
 aligned with CFAE_ECOLX | P25734 from UniProtKB/Swiss-Prot  Length:360

    Alignment length:356
                                                                                                                                                                                                                                                                                                                                                                           360                  
                                    32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352       | -         -      
           CFAE_ECOLX    23 ADKNPGSENMTNTIGPHDRGGSSPIYNILNSYLTAYNGSHHLYDRMSFLCLSSQNTLNGACPSSDAPGTATIDGETNITLQFTEKRSLIKRELQIKGYKQFLFKNANCPSKLALNSSHFQCNREQASGATLSLYIPAGELNKLPFGGVWNAVLKLNVKRRYDTTYGTYTINITVNLTDKGNIQIWLPQFKSNARVDLNLRPTGGGTYIGRNSVDMCFYDGYSTNSSSLEIRFQDDNSKSDGKFYLKKINDDSKELVYTLSLLLAGKNLTPTNGQALNINTASLETNWNRITAVTMPEISVPVLCWPGRLQLDAKVKNPEAGQYMGNIKITFTPSSQTL------------------   -
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .......eeeeeeeeeee.......eeeeeeeeeee.........eeee.....hhhhh................eeeeeeeee.....eeeeeeeeeeeee.........................eeeeeeee..hhhhhh...eeeeeeeeeeeee....eeeeeeeeeeeeeehhhhheee.......eeee...eeee..eeeeeeeeeeeee........eeeeeee.........eeeee..eeeeeeeeeeeeee..eee.......eeee......eee.............eeeeeeeeeeeeeee....eeeeeeeeeeeee.........eeeeeeeeeee... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2hb0 A  23 ADKNPGSENMTNTIGPHDRGGSSPIYNILNSYLTAYNGSHHLYDRMSFLCLSSQNTLNGACPSSDAPGTATIDGETNITLQFTEKRSLIKRELQIKGYKQFLFKNANCPSKLALNSSHFQCNREQASGATLSLYIPAGELNKLPFGGVWNAVLKLNVKRRYDTTYGTYTINITVNLTDKGNIQIWLPQFKSNARVDLNLRPTGGGTYIGRNSVDMCFYDGYSTNSSSLEIRFQDDNSKSDGKFYLKKINDDSKELVYTLSLLLAGKNLTPTNGQALNINTASLETNWNRITAVTMPEISVPVLCWPGRLQLDAKVKNPEAGQYMGNIKITFTPSSQTLDNKQVEKNITVTASVDPV 378
                                    32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352       362       372      


Chain B from PDB  Type:PROTEIN  Length:355
 aligned with CFAE_ECOLX | P25734 from UniProtKB/Swiss-Prot  Length:360

    Alignment length:355
                                                                                                                                                                                                                                                                                                                                                                           360                 
                                    32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352       | -         -     
           CFAE_ECOLX    23 ADKNPGSENMTNTIGPHDRGGSSPIYNILNSYLTAYNGSHHLYDRMSFLCLSSQNTLNGACPSSDAPGTATIDGETNITLQFTEKRSLIKRELQIKGYKQFLFKNANCPSKLALNSSHFQCNREQASGATLSLYIPAGELNKLPFGGVWNAVLKLNVKRRYDTTYGTYTINITVNLTDKGNIQIWLPQFKSNARVDLNLRPTGGGTYIGRNSVDMCFYDGYSTNSSSLEIRFQDDNSKSDGKFYLKKINDDSKELVYTLSLLLAGKNLTPTNGQALNINTASLETNWNRITAVTMPEISVPVLCWPGRLQLDAKVKNPEAGQYMGNIKITFTPSSQTL-----------------   -
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .......eeeeeeeeeee.......eeeeeeeeeee.........eeeee....hhhhh................eeeeeeeee.....eeeeeeeeeeeee.........................eeeeeeee..hhhhhh...eeeeeeeeeeeee....eeeeeeeeeeeeeehhhhheee.......eeee...eeee..eeeeeeeeeeeee........eeeeeeee........eeeee..eeeeeeeeeeeeee..eee.......eeee......eee.............eeeeeeeeeeeeeee....eeeeeeeeeeeee.........eeeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2hb0 B  23 ADKNPGSENMTNTIGPHDRGGSSPIYNILNSYLTAYNGSHHLYDRMSFLCLSSQNTLNGACPSSDAPGTATIDGETNITLQFTEKRSLIKRELQIKGYKQFLFKNANCPSKLALNSSHFQCNREQASGATLSLYIPAGELNKLPFGGVWNAVLKLNVKRRYDTTYGTYTINITVNLTDKGNIQIWLPQFKSNARVDLNLRPTGGGTYIGRNSVDMCFYDGYSTNSSSLEIRFQDDNSKSDGKFYLKKINDDSKELVYTLSLLLAGKNLTPTNGQALNINTASLETNWNRITAVTMPEISVPVLCWPGRLQLDAKVKNPEAGQYMGNIKITFTPSSQTLDNKQVEKNITVTASVDP 377
                                    32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312       322       332       342       352       362       372
   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  (0, 0)

(no "SCOP Domain" information available for 2HB0)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2HB0)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2HB0)

(-) Gene Ontology  (1, 1)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (CFAE_ECOLX | P25734)
cellular component
    GO:0009289    pilus    A proteinaceous hair-like appendage on the surface of bacteria ranging from 2-8 nm in diameter.

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 Related Entries

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        CFAE_ECOLX | P25734: 3f83 3vac

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