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(-) Description

Title :  X-RAY CRYSTAL STRUCTURE OF RECX
 
Authors :  S. Ragone, J. D. Maman, N. Furnham, L. Pellegrini
Date :  23 Jan 08  (Deposition) - 15 Jul 08  (Release) - 09 Jun 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.80
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Biol. Unit 3:  A,B  (1x)
Keywords :  Tandem Repeats, Helix-Turn-Helix, Cytoplasm, Dna Damage, Dna Repair, Sos Response, Dna Binding Protein, Recombination (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  S. Ragone, J. D. Maman, N. Furnham, L. Pellegrini
Structural Basis For Inhibition Of Homologous Recombination By The Recx Protein.
Embo J. V. 27 2259 2008
PubMed-ID: 18650935  |  Reference-DOI: 10.1038/EMBOJ.2008.145
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - REGULATORY PROTEIN RECX
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PEGT-10
    Expression System Strain: BL21(DE3)
    Expression System Vector Type: PLASMID
    Gene: RECX, ORAA
    Mutation: YES
    Organism Scientific: ESCHERICHIA COLI
    Synonym: PROTEIN ORAA

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit : AB
Biological Unit 1 (1x): A 
Biological Unit 2 (1x):  B
Biological Unit 3 (1x): AB

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 3C1D)

(-) Sites  (0, 0)

(no "Site" information available for 3C1D)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3C1D)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric Unit
No.Residues
1Glu A:131 -Pro A:132
2Glu B:131 -Pro B:132

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3C1D)

(-) PROSITE Motifs  (0, 0)

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(-) Exons   (0, 0)

(no "Exon" information available for 3C1D)

(-) 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:143
 aligned with RECX_ECO57 | P66000 from UniProtKB/Swiss-Prot  Length:166

    Alignment length:154
                                    17        27        37        47        57        67        77        87        97       107       117       127       137       147       157    
           RECX_ECO57     8 RPAYARLLDRAVRILAVRDHSEQELRRKLAAPIMGKNGPEEIDATAEDYERVIAWCHEHGYLDDSRFVARFIASRSRKGYGPARIRQELNQKGISREATEKAMRECDIDWCALARDQATRKYGEPLPTVFSEKVKIQRFLLYRGYLMEDIQDIW 161
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhh....hhhhhhhhhhh.-----------.hhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhh..hhhhhhhhhhhh..hhhhhhhhhhhhh.hhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhh..hhhhhh... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3c1d A   8 GPAYARLLDRAVRILAVRDHSEQELRRKLAAP-----------ATAEDYERVIAWCHEHGYLDDSRFVARFIASRSRKGYGPARIRQELNQKGISREATEKAMREADIDWAALARDQATRKYGEPLPTVFSEKVKIQRFLLYRGYLMEDIQDIW 161
                                    17        27        37 |       -   |    57        67        77        87        97       107       117       127       137       147       157    
                                                          39          51                                                                                                              


Chain B from PDB  Type:PROTEIN  Length:154
 aligned with RECX_ECO57 | P66000 from UniProtKB/Swiss-Prot  Length:166

    Alignment length:154
                                    17        27        37        47        57        67        77        87        97       107       117       127       137       147       157    
           RECX_ECO57     8 RPAYARLLDRAVRILAVRDHSEQELRRKLAAPIMGKNGPEEIDATAEDYERVIAWCHEHGYLDDSRFVARFIASRSRKGYGPARIRQELNQKGISREATEKAMRECDIDWCALARDQATRKYGEPLPTVFSEKVKIQRFLLYRGYLMEDIQDIW 161
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhh....hhhhhhhhhh..eee..eee....hhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhh..hhhhhhhhhhhh..hhhhhhhhhhhhh.hhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhh..hhhhhh... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3c1d B   8 GPAYARLLDRAVRILAVRDHSEQELRRKLAAPIMGKNGPEEIDATAEDYERVIAWCHEHGYLDDSRFVARFIASRSRKGYGPARIRQELNQKGISREATEKAMREADIDWAALARDQATRKYGEPLPTVFSEKVKIQRFLLYRGYLMEDIQDIW 161
                                    17        27        37        47        57        67        77        87        97       107       117       127       137       147       157
   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  (0, 0)

(no "SCOP Domain" information available for 3C1D)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3C1D)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3C1D)

(-) Gene Ontology  (5, 5)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (RECX_ECO57 | P66000)
biological process
    GO:0006281    DNA repair    The process of restoring DNA after damage. Genomes are subject to damage by chemical and physical agents in the environment (e.g. UV and ionizing radiations, chemical mutagens, fungal and bacterial toxins, etc.) and by free radicals or alkylating agents endogenously generated in metabolism. DNA is also damaged because of errors during its replication. A variety of different DNA repair pathways have been reported that include direct reversal, base excision repair, nucleotide excision repair, photoreactivation, bypass, double-strand break repair pathway, and mismatch repair pathway.
    GO:0009432    SOS response    An error-prone process for repairing damaged microbial DNA.
    GO:0006974    cellular response to DNA damage stimulus    Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus indicating damage to its DNA from environmental insults or errors during metabolism.
    GO:0006282    regulation of DNA repair    Any process that modulates the frequency, rate or extent of DNA repair.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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