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(-) Description

Title :  RAD18 UBIQUITIN LIGASE RING DOMAIN STRUCTURE
 
Authors :  R. G. Hibbert, T. K. Sixma
Date :  04 Jan 11  (Deposition) - 11 May 11  (Release) - 06 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.80
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Ligase, Dna Repair, Metal-Binding, Translesion Synthesis, Ubl Conjugation Pathway (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  A. Huang, R. G. Hibbert, R. N. De Jong, D. Das, T. K. Sixma, R. Boelens
Symmetry And Asymmetry Of The Ring-Ring Dimer Of Rad18.
J. Mol. Biol. V. 410 424 2011
PubMed-ID: 21549715  |  Reference-DOI: 10.1016/J.JMB.2011.04.051

(-) Compounds

Molecule 1 - E3 UBIQUITIN-PROTEIN LIGASE RAD18
    ChainsA, B
    EC Number6.3.2.-
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPET
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System Vector TypePLASMID
    FragmentRING DOMAIN, RESIDUES 1-99
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymRAD18, POSTREPLICATION REPAIR PROTEIN RAD18, RING FINGER PROTEIN 73, HHR18, HRAD18

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 4)

Asymmetric/Biological Unit (1, 4)
No.NameCountTypeFull Name
1ZN4Ligand/IonZINC ION

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWARECYS A:41 , HIS A:43 , CYS A:60 , CYS A:63BINDING SITE FOR RESIDUE ZN A1097
2AC2SOFTWARECYS A:25 , CYS A:28 , CYS A:46 , CYS A:49BINDING SITE FOR RESIDUE ZN A1098
3AC3SOFTWARECYS B:41 , HIS B:43 , CYS B:60 , CYS B:63BINDING SITE FOR RESIDUE ZN B1096
4AC4SOFTWARECYS B:25 , CYS B:28 , CYS B:46 , CYS B:49BINDING SITE FOR RESIDUE ZN B1097

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2Y43)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2Y43)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2Y43)

(-) PROSITE Motifs  (2, 4)

Asymmetric/Biological Unit (2, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1ZF_RING_2PS50089 Zinc finger RING-type profile.RAD18_HUMAN25-63
 
  2A:25-63
B:25-63
2ZF_RING_1PS00518 Zinc finger RING-type signature.RAD18_HUMAN41-50
 
  2A:41-50
B:41-50

(-) Exons   (0, 0)

(no "Exon" information available for 2Y43)

(-) 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:89
 aligned with RAD18_HUMAN | Q9NS91 from UniProtKB/Swiss-Prot  Length:495

    Alignment length:89
                                    17        27        37        47        57        67        77        87         
           RAD18_HUMAN    8 RWPPGLAVMKTIDDLLRCGICFEYFNIAMIIPQCSHNYCSLCIRKFLSYKTQCPTCCVTVTEPDLKNNRILDELVKSLNFARNHLLQFA 96
               SCOP domains d2y43a_ A: automated matches                                                              SCOP domains
               CATH domains ----------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhh...........eee......eeehhhhhhhhh............hhhhheehhhhhhhhhhhhhhhhh..... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) -----------------ZF_RING_2  PDB: A:25-63 UniProt: 25-63 --------------------------------- PROSITE (1)
                PROSITE (2) ---------------------------------ZF_RING_1 ---------------------------------------------- PROSITE (2)
                 Transcript ----------------------------------------------------------------------------------------- Transcript
                  2y43 A  8 RWPPGLAVMKTIDDLLRCGICFEYFNIAMIIPQCSHNYCSLCIRKFLSYKTQCPTCCVTVTEPDLKNNRILDELVKSLNFARNHLLQFA 96
                                    17        27        37        47        57        67        77        87         

Chain B from PDB  Type:PROTEIN  Length:89
 aligned with RAD18_HUMAN | Q9NS91 from UniProtKB/Swiss-Prot  Length:495

    Alignment length:89
                                    16        26        36        46        56        66        76        86         
           RAD18_HUMAN    7 SRWPPGLAVMKTIDDLLRCGICFEYFNIAMIIPQCSHNYCSLCIRKFLSYKTQCPTCCVTVTEPDLKNNRILDELVKSLNFARNHLLQF 95
               SCOP domains d2y43b_ B: automated matches                                                              SCOP domains
               CATH domains ----------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) --------------zf-C3HC4_2-2y43B01 B:21-65                   ------------------------------ Pfam domains (1)
           Pfam domains (2) --------------zf-C3HC4_2-2y43B02 B:21-65                   ------------------------------ Pfam domains (2)
         Sec.struct. author ......hhhhhhhhhhh...........eee......eeehhhhhhhhh............hhhhheehhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ------------------ZF_RING_2  PDB: B:25-63 UniProt: 25-63 -------------------------------- PROSITE (1)
                PROSITE (2) ----------------------------------ZF_RING_1 --------------------------------------------- PROSITE (2)
                 Transcript ----------------------------------------------------------------------------------------- Transcript
                  2y43 B  7 SRWPPGLAVMKTIDDLLRCGICFEYFNIAMIIPQCSHNYCSLCIRKFLSYKTQCPTCCVTVTEPDLKNNRILDELVKSLNFARNHLLQF 95
                                    16        26        36        46        56        66        76        86         

   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  (1, 2)

Asymmetric/Biological Unit

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2Y43)

(-) Pfam Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Clan: RING (39)

(-) Gene Ontology  (33, 33)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (RAD18_HUMAN | Q9NS91)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
    GO:0000403    Y-form DNA binding    Interacting selectively and non-covalently with segment of DNA shaped like a Y. This shape occurs when DNA contains a region of paired double-stranded DNA on one end and a region of unpaired DNA strands on the opposite end.
    GO:0003684    damaged DNA binding    Interacting selectively and non-covalently with damaged DNA.
    GO:0042802    identical protein binding    Interacting selectively and non-covalently with an identical protein or proteins.
    GO:0016874    ligase activity    Catalysis of the joining of two substances, or two groups within a single molecule, with the concomitant hydrolysis of the diphosphate bond in ATP or a similar triphosphate.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0031593    polyubiquitin modification-dependent protein binding    Interacting selectively and non-covalently with a protein upon poly-ubiquitination of the target protein.
    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).
    GO:0032403    protein complex binding    Interacting selectively and non-covalently with any protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    GO:0043142    single-stranded DNA-dependent ATPase activity    Catalysis of the reaction: ATP + H2O = ADP + phosphate; this reaction requires the presence of single-stranded DNA, and it drives another reaction.
    GO:0061630    ubiquitin protein ligase activity    Catalysis of the transfer of ubiquitin to a substrate protein via the reaction X-ubiquitin + S -> X + S-ubiquitin, where X is either an E2 or E3 enzyme, the X-ubiquitin linkage is a thioester bond, and the S-ubiquitin linkage is an amide bond: an isopeptide bond between the C-terminal glycine of ubiquitin and the epsilon-amino group of lysine residues in the substrate or, in the linear extension of ubiquitin chains, a peptide bond the between the C-terminal glycine and N-terminal methionine of ubiquitin residues.
    GO:0031625    ubiquitin protein ligase binding    Interacting selectively and non-covalently with a ubiquitin protein ligase enzyme, any of the E3 proteins.
    GO:0008270    zinc ion binding    Interacting selectively and non-covalently with zinc (Zn) ions.
biological process
    GO:0042769    DNA damage response, detection of DNA damage    The series of events required to receive a stimulus indicating DNA damage has occurred and convert it to a molecular signal.
    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: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:0060548    negative regulation of cell death    Any process that decreases the rate or frequency of cell death. Cell death is the specific activation or halting of processes within a cell so that its vital functions markedly cease, rather than simply deteriorating gradually over time, which culminates in cell death.
    GO:0051984    positive regulation of chromosome segregation    Any process that activates or increases the frequency, rate or extent of chromosome segregation, the process in which genetic material, in the form of chromosomes, is organized and then physically separated and apportioned to two or more sets.
    GO:0006301    postreplication repair    The conversion of DNA-damage induced single-stranded gaps into large molecular weight DNA after replication. Includes pathways that remove replication-blocking lesions in conjunction with DNA replication.
    GO:0051865    protein autoubiquitination    The ubiquitination by a protein of one or more of its own amino acid residues, or residues on an identical protein. Ubiquitination occurs on the lysine residue by formation of an isopeptide crosslink.
    GO:0006513    protein monoubiquitination    Addition of a single ubiquitin group to a protein.
    GO:0016567    protein ubiquitination    The process in which one or more ubiquitin groups are added to a protein.
    GO:0009411    response to UV    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 an ultraviolet radiation (UV light) stimulus. Ultraviolet radiation is electromagnetic radiation with a wavelength in the range of 10 to 380 nanometers.
cellular component
    GO:0097505    Rad6-Rad18 complex    A ubiquitin ligase complex found to be involved in post-replicative bypass of UV-damaged DNA and UV mutagenesis. In S. cerevisiae, the complex contains the ubiquitin conjugating enzyme Rad6 and Rad18, a protein containing a RING finger motif and a nucleotide binding motif. The yeast Rad6-Rad18 heterodimer has ubiquitin conjugating activity, binds single-stranded DNA, and possesses single-stranded DNA-dependent ATPase activity.
    GO:0005813    centrosome    A structure comprised of a core structure (in most organisms, a pair of centrioles) and peripheral material from which a microtubule-based structure, such as a spindle apparatus, is organized. Centrosomes occur close to the nucleus during interphase in many eukaryotic cells, though in animal cells it changes continually during the cell-division cycle.
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005856    cytoskeleton    Any of the various filamentous elements that form the internal framework of cells, and typically remain after treatment of the cells with mild detergent to remove membrane constituents and soluble components of the cytoplasm. The term embraces intermediate filaments, microfilaments, microtubules, the microtrabecular lattice, and other structures characterized by a polymeric filamentous nature and long-range order within the cell. The various elements of the cytoskeleton not only serve in the maintenance of cellular shape but also have roles in other cellular functions, including cellular movement, cell division, endocytosis, and movement of organelles.
    GO:0005815    microtubule organizing center    An intracellular structure that can catalyze gamma-tubulin-dependent microtubule nucleation and that can anchor microtubules by interacting with their minus ends, plus ends or sides.
    GO:0042405    nuclear inclusion body    An intranuclear focus at which aggregated proteins have been sequestered.
    GO:0005654    nucleoplasm    That part of the nuclear content other than the chromosomes or the nucleolus.
    GO:0005634    nucleus    A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
    GO:0005657    replication fork    The Y-shaped region of a replicating DNA molecule, resulting from the separation of the DNA strands and in which the synthesis of new strands takes place. Also includes associated protein complexes.
    GO:0035861    site of double-strand break    A region of a chromosome at which a DNA double-strand break has occurred. DNA damage signaling and repair proteins accumulate at the lesion to respond to the damage and repair the DNA to form a continuous DNA helix.

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 Related Entries

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

UniProtKB/Swiss-Prot
        RAD18_HUMAN | Q9NS912mre 2mrf 2ybf 5vf0

(-) Related Entries Specified in the PDB File

(no "Related Entries Specified in the PDB File" available for 2Y43)