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(-) Description

Title :  HIGH RESOLUTION STRUCTURE OF CLPN
 
Authors :  D. Xia, M. R. Maurizi, F. Guo, S. K. Singh, L. Esser
Date :  15 Oct 03  (Deposition) - 15 Feb 05  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.15
Chains :  Asym./Biol. Unit :  X
Keywords :  Clpa, Aaa+, N-Terminal Domain, Clps, Crystal, Binding Mechanism, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  D. Xia, L. Esser, S. K. Singh, F. Guo, M. R. Maurizi
Crystallographic Investigation Of Peptide Binding Sites In The N-Domain Of The Clpa Chaperone
J. Struct. Biol. V. 146 166 2004
PubMed-ID: 15037248  |  Reference-DOI: 10.1016/J.JSB.2003.11.025
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - ATP-DEPENDENT CLP PROTEASE ATP-BINDING SUBUNIT CLPA
    ChainsX
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    FragmentN-TERMINAL DOMAIN
    GeneCLPA, LOPD, B0882, C1019, Z1119, ECS0968
    Organism ScientificESCHERICHIA COLI
    Organism Taxid562

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit X

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 1R6C)

(-) Sites  (0, 0)

(no "Site" information available for 1R6C)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1R6C)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1R6C)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1R6C)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1R6C)

(-) Exons   (0, 0)

(no "Exon" information available for 1R6C)

(-) 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    
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SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it)
Chain X from PDB  Type:PROTEIN  Length:142
 aligned with CLPA_ECOLI | P0ABH9 from UniProtKB/Swiss-Prot  Length:758

    Alignment length:142
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140  
           CLPA_ECOLI     1 MLNQELELSLNMAFARAREHRHEFMTVEHLLLALLSNPSAREALEACSVDLVALRQELEAFIEQTTPVLPASEEERDTQPTLSFQRVLQRAVFHVQSSGRNEVTGANVLVAIFSEQESQAAYLLRKHEVSRLDVVNFISHGT 142
               SCOP domains d1r6cx_ X: automated matches                                                                                                                   SCOP domains
               CATH domains 1r6cX00 X:1-142 Double Clp-N motif                                                                                                             CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhhhhhh...eehhhhhhhhhh.hhhhhhhhhhh..hhhhhhhhhhhhhhhhh............eehhhhhhhhhhhhhhhhhh.....hhhhhhhhhh....hhhhhhhhhh..hhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1r6c X   1 MLNQELELSLNMAFARAREHRHEFMTVEHLLLALLSNPSAREALEACSVDLVALRQELEAFIEQTTPVLPASEEERDTQPTLSFQRVLQRAVFHVQSSGRNEVTGANVLVAIFSEQESQAAYLLRKHEVSRLDVVNFISHGT 142
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140  

   Legend:   → Mismatch (orange background)
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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  (1, 1)

Asymmetric/Biological Unit

(-) CATH Domains  (1, 1)

Asymmetric/Biological Unit

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1R6C)

(-) Gene Ontology  (10, 10)

Asymmetric/Biological Unit(hide GO term definitions)
Chain X   (CLPA_ECOLI | P0ABH9)
molecular function
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    GO:0004176    ATP-dependent peptidase activity    Catalysis of the reaction: ATP + H2O = ADP + phosphate, to drive the hydrolysis of peptide bonds.
    GO:0016887    ATPase activity    Catalysis of the reaction: ATP + H2O = ADP + phosphate + 2 H+. May or may not be coupled to another reaction.
    GO:0000166    nucleotide binding    Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
    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:0019538    protein metabolic process    The chemical reactions and pathways involving a specific protein, rather than of proteins in general. Includes protein modification.
    GO:0043335    protein unfolding    The process of assisting in the disassembly of non-covalent linkages in a protein or protein aggregate, often where the proteins are in a non-functional or denatured state.
    GO:0006508    proteolysis    The hydrolysis of proteins into smaller polypeptides and/or amino acids by cleavage of their peptide bonds.
    GO:0006979    response to oxidative stress    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of oxidative stress, a state often resulting from exposure to high levels of reactive oxygen species, e.g. superoxide anions, hydrogen peroxide (H2O2), and hydroxyl radicals.
cellular component
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.

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 Related Entries

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

UniProtKB/Swiss-Prot
        CLPA_ECOLI | P0ABH91k6k 1ksf 1lzw 1mbu 1mbv 1mbx 1mg9 1r6b 1r6o 1r6q

(-) Related Entries Specified in the PDB File

1r6b HIGH RESOLUTION CRYSTAL STRUCTURE OF CLPA
1r6o
1r6q