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(-) Description

Title :  CRYSTAL STRUCTURE OF THE PROTEIN SECRETION CHAPERONE CSAA FROM AGROBACTERIUM TUMEFACIENS.
 
Authors :  A. R. Feldman, Y. A. Shapova, M. Paetzel
Date :  28 May 07  (Deposition) - 01 Apr 08  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.55
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Beta Barrel, Ob Fold, Homodimer, Chaperone, Protein Secretion (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. R. Feldman, Y. A. Shapova, S. S. Wu, D. C. Oliver, M. Heller, L. P. Mcintosh, J. K. Scott, M. Paetzel
Phage Display And Crystallographic Analysis Reveals Potential Substrate/Binding Site Interactions In The Protei Secretion Chaperone Csaa From Agrobacterium Tumefaciens.
J. Mol. Biol. V. 379 457 2008
PubMed-ID: 18462752  |  Reference-DOI: 10.1016/J.JMB.2008.03.048

(-) Compounds

Molecule 1 - SECRETION CHAPERONE
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Plasmid: PET28A
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Gene: CSAA
    Organism Scientific: AGROBACTERIUM TUMEFACIENS STR. C58
    Organism Taxid: 176299
    Strain: C58/ATCC 33970
    Synonym: AGR_C_4014P

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 6)

Asymmetric/Biological Unit (2, 6)
No.NameCountTypeFull Name
1EDO5Ligand/Ion1,2-ETHANEDIOL
2SO41Ligand/IonSULFATE ION

(-) Sites  (6, 6)

Asymmetric Unit (6, 6)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLN A:52 , ARG A:76 , HOH A:646 , HOH A:673 , HOH A:679 , HOH A:702 , HOH A:722 , HOH A:730 , HOH A:758BINDING SITE FOR RESIDUE SO4 A 501
2AC2SOFTWAREPRO B:74 , ARG B:76 , SER B:83 , GLU B:84 , LEU B:86BINDING SITE FOR RESIDUE EDO B 601
3AC3SOFTWAREGLU B:22 , LYS B:35 , LYS B:37 , PHE B:81 , HOH B:729 , HOH B:736BINDING SITE FOR RESIDUE EDO B 602
4AC4SOFTWAREGLU A:22 , LYS A:35 , LYS A:37 , LYS A:48BINDING SITE FOR RESIDUE EDO A 603
5AC5SOFTWAREPRO A:75 , ARG A:82 , HOH A:785BINDING SITE FOR RESIDUE EDO A 604
6AC6SOFTWARETYR A:7 , HOH A:689 , PHE B:73 , HOH B:670BINDING SITE FOR RESIDUE EDO A 605

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2Q2I)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2Q2I)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2Q2I)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2Q2I)

(-) Exons   (0, 0)

(no "Exon" information available for 2Q2I)

(-) 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:112
 aligned with A9CI62_AGRFC | A9CI62 from UniProtKB/TrEMBL  Length:113

    Alignment length:112
                                    11        21        31        41        51        61        71        81        91       101       111  
         A9CI62_AGRFC     2 SGEISYADFEKVDIRVGTIVEAVPFPEARKPAIKVKIDFGPEIGIKKSSAQITVHYTPESLVGRQVLGVVNFPPRQIGPFRSEVLTLGFADANGDIVLAAVERPVPNGEKMC 113
               SCOP domains d2q2ia_ A: automated matches                                                                                     SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....hhhhhhh..eeeeeeeeeee........eeeeeehhhhhheeeeee......hhhhhh..eeeee.....eee..eee..ee.eee.....eeeeee........... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------- Transcript
                 2q2i A   2 SGEISYADFEKVDIRVGTIVEAVPFPEARKPAIKVKIDFGPEIGIKKSSAQITVHYTPESLVGRQVLGVVNFPPRQIGPFRSEVLTLGFADANGDIVLAAVERPVPNGEKMC 113
                                    11        21        31        41        51        61        71        81        91       101       111  


Chain B from PDB  Type:PROTEIN  Length:109
 aligned with A9CI62_AGRFC | A9CI62 from UniProtKB/TrEMBL  Length:113

    Alignment length:112
                                    11        21        31        41        51        61        71        81        91       101       111  
         A9CI62_AGRFC     2 SGEISYADFEKVDIRVGTIVEAVPFPEARKPAIKVKIDFGPEIGIKKSSAQITVHYTPESLVGRQVLGVVNFPPRQIGPFRSEVLTLGFADANGDIVLAAVERPVPNGEKMC 113
               SCOP domains d2q2ib_ B: automated matche   s                                                                                  SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....hhhhhhh..eeeeeeeeeeee..---.eeeeeee......eeeeee......hhhhhh..eeeee.....eee..eee..ee.eee.....eeeeee........... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------- Transcript
                 2q2i B   2 SGEISYADFEKVDIRVGTIVEAVPFPE---PAIKVKIDFGPEIGIKKSSAQITVHYTPESLVGRQVLGVVNFPPRQIGPFRSEVLTLGFADANGDIVLAAVERPVPNGEKMC 113
                                    11        21      |  -|       41        51        61        71        81        91       101       111  
                                                     28  32
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  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 2)

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

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2Q2I)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2Q2I)

(-) Gene Ontology  (2, 2)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (A9CI62_AGRFC | A9CI62)
molecular function
    GO:0003723    RNA binding    Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
    GO:0000049    tRNA binding    Interacting selectively and non-covalently with transfer RNA.

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 Related Entries

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UniProtKB/TrEMBL
        A9CI62_AGRFC | A9CI62: 2q2h

(-) Related Entries Specified in the PDB File

2q2h