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(-) Description

Title :  COMPLEX OF THE CAF1AN USHER DOMAIN, CAF1M CHAPERONE AND CAF1 SUBUNIT FROM YERSINIA PESTIS
 
Authors :  A. Dubnovitsky, X. D. Yu, A. F. Pudney, S. Macintyre, S. D. Knight, A. V. Z
Date :  03 Jul 12  (Deposition) - 26 Sep 12  (Release) - 21 Nov 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.80
Chains :  Asym./Biol. Unit :  A,B,M
Keywords :  Protein Transport, Chaperone-Usher Pathway, Pili Assembly (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  X. Di Yu, A. Dubnovitsky, A. F. Pudney, S. Macintyre, S. D. Knight, A. V. Zavialov
Allosteric Mechanism Controls Traffic In The Chaperone/Usher Pathway.
Structure V. 20 1861 2012
PubMed-ID: 22981947  |  Reference-DOI: 10.1016/J.STR.2012.08.016

(-) Compounds

Molecule 1 - F1 CAPSULE-ANCHORING PROTEIN
    ChainsA
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System VariantSTAR
    FragmentRESIDUES 23-158
    Organism ScientificYERSINIA PESTIS
    Organism Taxid632
 
Molecule 2 - F1 CAPSULE ANTIGEN
    ChainsB
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System VariantSTAR
    Organism ScientificYERSINIA PESTIS
    Organism Taxid632
 
Molecule 3 - CHAPERONE PROTEIN CAF1M
    ChainsM
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System VariantSTAR
    FragmentRESIDUES 24-258
    Organism ScientificYERSINIA PESTIS
    Organism Taxid632
    SynonymCAPSULE PROTEIN FRACTION 1

 Structural Features

(-) Chains, Units

  123
Asymmetric/Biological Unit ABM

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 4B0M)

(-) Sites  (0, 0)

(no "Site" information available for 4B0M)

(-) SS Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1A:64 -A:91
2M:98 -M:137

(-) Cis Peptide Bonds  (3, 3)

Asymmetric/Biological Unit
No.Residues
1Phe A:124 -Asp A:125
2Asp A:125 -Gly A:126
3Thr M:64 -Pro M:65

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4B0M)

(-) PROSITE Motifs  (1, 1)

Asymmetric/Biological Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1PILI_CHAPERONEPS00635 Gram-negative pili assembly chaperone signature.CAF1M_YERPE110-127  1M:87-104

(-) Exons   (0, 0)

(no "Exon" information available for 4B0M)

(-) 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:131
 aligned with CAF1A_YERPE | P26949 from UniProtKB/Swiss-Prot  Length:833

    Alignment length:135
                                    32        42        52        62        72        82        92       102       112       122       132       142       152     
          CAF1A_YERPE    23 AYTFDSTMLDTNSGESIDVSLFNQGLQLPGNYFVNVFVNGRKVDSGNIDFRLEKHNGKELLWPCLSSLQLTKYGIDIDKYPDLIKSGTEQCVDLLAIPHSDVQFYFNQQKLSLIVPPQALLPRFDGIMPMQLWDD 157
               SCOP domains d4b0ma_ A: automated matches                                                                                                            SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..................hhhhhh.....eeeeeeeee..eeeeeeeeeeeeeee..eeeeee..hhhhhhhh..hhhhhhhhh----....hhhhh...eeeee....eeeee.hhhh................ Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4b0m A   1 AYTFDSTMLDTNSGESIDVSLFNQGLQLPGNYFVNVFVNGRKVDSGNIDFRLEKHNGKELLWPCLSSLQLTKYGIDIDKYPDLI----EQCVDLLAIPHSDVQFYFNQQKLSLIVPPQALLPRFDGIMPMQLWDD 135
                                    10        20        30        40        50        60        70        80   |    90       100       110       120       130     
                                                                                                              84   89                                              

Chain B from PDB  Type:PROTEIN  Length:135
 aligned with CAF1_YERPE | P26948 from UniProtKB/Swiss-Prot  Length:170

    Alignment length:135
                                    45        55        65        75        85        95       105       115       125       135       145       155       165     
           CAF1_YERPE    36 EPARITLTYKEGAPITIMDNGNIDTELLVGTLTLGGYKTGTTSTSVNFTDAAGDPMYLTFTSQDGNNHQFTTKVIGKDSRDFDISPKVNGENLVGDDVVLATGSQDFFVRSIGSKGGKLAAGKYTDAVTVTVSNQ 170
               SCOP domains d4b0mb_ B: F1 capsule antigen Caf1                                                                                                      SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeeeee...ee...........eeeeeeee..........eeee........eeeee......eeeeeeeee.....ee..ee...............eeeeeeeeeee.......eeeeeeeeeeee.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4b0m B  15 EPARITLTYKEGAPITIMDNGNIDTELLVGTLTLGGYKTGTTSTSVNFTDAAGDPMYLTFTSQDGNNHQFTTKVIGKDSRDFDISPKVNGENLVGDDVVLATGSQDFFVRSIGSKGGKLAAGKYTDAVTVTVSNQ 149
                                    24        34        44        54        64        74        84        94       104       114       124       134       144     

Chain M from PDB  Type:PROTEIN  Length:212
 aligned with CAF1M_YERPE | P26926 from UniProtKB/Swiss-Prot  Length:258

    Alignment length:232
                                    36        46        56        66        76        86        96       106       116       126       136       146       156       166       176       186       196       206       216       226       236       246       256  
          CAF1M_YERPE    27 DIKFASKEYGVTIGESRIIYPLDAAGVMVSVKNTQDYPVLIQSRIYDENKEKESEDPFVVTPPLFRLDAKQQNSLRIAQAGGVFPRDKESLKWLCVKGIPPKDEDIWVDDATNKQKFNPDKDVGVFVQFAINNCIKLLVRPNELKGTPIQFAENLSWKVDGGKLIAENPSPFYMNIGELTFGGKSIPSHYIPPKSTWAFDLPKGLAGARNVSWRIINDQGGLDRLYSKNVTL 258
               SCOP domains d4b0mm1 M:4-147 Chaperone protein Caf1m                                                                                                         d4b0mm2 M:148-235 Caf1m                                                                  SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....eeeeeeee...eeeee.....eeeeeee.....eeeeeeee.......--..eeee..eeee....eeeeeeee..........eeeeeeeeee....----------------..eeeeeeeeeeeeeeeeeee......hhhhhhhhheeeee..eeeeee.....eeeeeeee..ee....ee...eeeeee.......--.eeeee..........eee.... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -----------------------------------------------------------------------------------PILI_CHAPERONE    ----------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 4b0m M   4 DIKFASKEYGVTIGESRIIYPLDAAGVMVSVKNTQDYPVLIQSRIYDENKEKE--DPFVVTPPLFRLDAKQQNSLRIAQAGGVFPRDKESLKWLCVKGIPPKD----------------DKDVGVFVQFAINNCIKLLVRPNELKGTPIQFAENLSWKVDGGKLIAENPSPFYMNIGELTFGGKSIPSHYIPPKSTWAFDLPKGLAG--NVSWRIINDQGGLDRLYSKNVTL 235
                                    13        23        33        43        53  |  |  63        73        83        93       103  |      -       123       133       143       153       163       173       183       193       203      |213       223       233  
                                                                               56 59                                            106              123                                                                                    210  |                      
                                                                                                                                                                                                                                           213                      

   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  (4, 4)

Asymmetric/Biological Unit

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4B0M)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4B0M)

(-) Gene Ontology  (16, 17)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (CAF1A_YERPE | P26949)
molecular function
    GO:0015473    fimbrial usher porin activity    A porin that acts in the assembly of fimbria together with fimbrial chaperone.
    GO:0005215    transporter activity    Enables the directed movement of substances (such as macromolecules, small molecules, ions) into, out of or within a cell, or between cells.
biological process
    GO:0009297    pilus assembly    The assembly of a pilus, a short filamentous structure on a bacterial cell, flagella-like in structure and generally present in many copies. Pili are variously involved in transfer of nucleic acids, adherence to surfaces, and formation of pellicles. Is required for bacterial conjugation, or can play a role in adherence to surfaces (when it is called a fimbrium), and in the formation of pellicles.
    GO:0055085    transmembrane transport    The process in which a solute is transported across a lipid bilayer, from one side of a membrane to the other
    GO:0006810    transport    The directed movement of substances (such as macromolecules, small molecules, ions) or cellular components (such as complexes and organelles) into, out of or within a cell, or between cells, or within a multicellular organism by means of some agent such as a transporter, pore or motor protein.
cellular component
    GO:0009279    cell outer membrane    A lipid bilayer that forms the outermost membrane of the cell envelope; enriched in polysaccharide and protein; the outer leaflet of the membrane contains specific lipopolysaccharide structures.
    GO:0016021    integral component of membrane    The component of a membrane consisting of the gene products and protein complexes having at least some part of their peptide sequence embedded in the hydrophobic region of the membrane.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.

Chain B   (CAF1_YERPE | P26948)
molecular function
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
cellular component
    GO:0042603    capsule    A protective structure surrounding some fungi and bacteria, attached externally to the cell wall and composed primarily of polysaccharides. Capsules are highly organized structures that adhere strongly to cells and cannot be easily removed. Capsules play important roles in pathogenicity, preventing phagocytosis by other cells, adherance, and resistance to dessication.
    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 M   (CAF1M_YERPE | P26926)
molecular function
    GO:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
biological process
    GO:0071555    cell wall organization    A process that results in the assembly, arrangement of constituent parts, or disassembly of the cell wall, the rigid or semi-rigid envelope lying outside the cell membrane of plant, fungal and most prokaryotic cells, maintaining their shape and protecting them from osmotic lysis.
    GO:0061077    chaperone-mediated protein folding    The process of inhibiting aggregation and assisting in the covalent and noncovalent assembly of single chain polypeptides or multisubunit complexes into the correct tertiary structure that is dependent on interaction with a chaperone.
    GO:0043711    pilus organization    A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a pilus, a short filamentous structure on a bacterial cell, flagella-like in structure and generally present in many copies.
cellular component
    GO:0030288    outer membrane-bounded periplasmic space    The region between the inner (cytoplasmic or plasma) membrane and outer membrane of organisms with two membranes such as Gram negative bacteria. These periplasmic spaces are relatively thick and contain a thin peptidoglycan layer (PGL), also referred to as a thin cell wall.
    GO:0042597    periplasmic space    The region between the inner (cytoplasmic) and outer membrane (Gram-negative Bacteria) or cytoplasmic membrane and cell wall (Fungi and Gram-positive Bacteria).

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  Cis Peptide Bonds
    Asp A:125 - Gly A:126   [ RasMol ]  
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    Thr M:64 - Pro M:65   [ RasMol ]  
 

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 Related Entries

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

UniProtKB/Swiss-Prot
        CAF1A_YERPE | P269492xet 3fcg 4b0e
        CAF1M_YERPE | P269261p5u 1p5v 1z9s 2os7 3dos 3dpb 3dsn 4ay0 4ayf 4az8
        CAF1_YERPE | P269481p5u 1p5v 1z9s 3dos 3dpb 3dsn 4ayf 4az8

(-) Related Entries Specified in the PDB File

1p5u X-RAY STRUCTURE OF THE TERNARY CAF1M:CAF1: CAF1CHAPERONE:SUBUNIT:SUBUNIT COMPLEX
1p5v X-RAY STRUCTURE OF THE CAF1M:CAF1 CHAPERONE: SUBUNITPREASSEMBLY COMPLEX
1z9s CRYSTAL STRUCTURE OF THE NATIVE CHAPERONE:SUBUNIT: SUBUNITCAF1M:CAF1:CAF1 COMPLEX
2xet CONSERVED HYDROPHOBIC CLUSTERS ON THE SURFACE OF THE CAF1A USHER C-TERMINAL DOMAIN ARE IMPORTANT FOR F1 ANTIGEN ASSEMBLY
4ay0 HIGH RESOLUTION CRYSTAL STRUCTURE OF THE MONOMERIC SUBUNIT-FREE CAF1M CHAPERONE
4ayf CRYSTAL STRUCTURE OF THE COMPLEX OF THE CAF1M:CAF1 CHAPERONE:SUBUNIT PREASSEMBLY COMPLEX CARRYING THE TYR40ALA MUTATION IN THE CAF1M CHAPERONE
4az8 CRYSTAL STRUCTURE OF THE COMPLEX OF THE CAF1M:CAF1 CHAPERONE:SUBUNIT PREASSEMBLY COMPLEX CARRYING THE KDKDTN INSERTION AT THE F1G1 LOOP REGION
4b0e CRYSTAL STRUCTURE OF THE CAF1A USHER PROTEIN N- TERMINAL DOMAIN FROM YERSINIA PESTIS