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(-) Description

Title :  ENDONUCLEASE DOMAIN OF HUMAN LINE1 ORF2P
 
Authors :  O. Weichenrieder, K. Repanas, A. Perrakis
Date :  25 Apr 04  (Deposition) - 04 Jun 04  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.80
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  Endonuclease, Ape-1 Type, Retrotransposition, Retrotransposon, Transferase, Rna-Directed Dna Polymerase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  O. Weichenrieder, K. Repanas, A. Perrakis
Crystal Structure Of The Targeting Endonuclease Of The Human Line-1 Retrotransposon
Structure V. 12 975 2004
PubMed-ID: 15274918  |  Reference-DOI: 10.1016/J.STR.2004.04.011

(-) Compounds

Molecule 1 - ORF2 CONTAINS A REVERSE TRANSCRIPTASE DOMAIN
    ChainsA, B
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Cell LineDE3
    Expression System PlasmidPET15-L1EN
    Expression System StrainBL21
    Expression System Taxid511693
    Expression System VectorPET15B
    FragmentENDONUCLEASE DOMAIN, RESIDUES 1-238
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    Other DetailsNOT OFFICIALLY ASSIGNED TO EC 4.2.99.18, BUT THAT IS THE CLOSEST GROUP
    SynonymLINE-1 REVERSE TRANSCRIPTASE HOMOLOG

 Structural Features

(-) Chains, Units

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

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 10)

Asymmetric Unit (3, 10)
No.NameCountTypeFull Name
1GOL1Ligand/IonGLYCEROL
2SO32Ligand/IonSULFITE ION
3SO47Ligand/IonSULFATE ION
Biological Unit 1 (3, 5)
No.NameCountTypeFull Name
1GOL1Ligand/IonGLYCEROL
2SO31Ligand/IonSULFITE ION
3SO43Ligand/IonSULFATE ION
Biological Unit 2 (2, 5)
No.NameCountTypeFull Name
1GOL-1Ligand/IonGLYCEROL
2SO31Ligand/IonSULFITE ION
3SO44Ligand/IonSULFATE ION

(-) Sites  (10, 10)

Asymmetric Unit (10, 10)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREHIS A:7 , ASN A:162 , LYS A:163 , LYS A:218 , ARG A:238 , HOH A:2215BINDING SITE FOR RESIDUE SO4 A1239
02AC2SOFTWAREILE A:62 , TYR A:63 , GLN A:64 , ARG A:91 , HOH A:2216 , LYS B:85BINDING SITE FOR RESIDUE SO4 A1240
03AC3SOFTWAREGLY A:17 , LEU A:18 , ASN A:19 , HIS A:45 , HOH A:2217BINDING SITE FOR RESIDUE SO4 A1241
04AC4SOFTWARELYS A:61 , TYR A:63 , PRO A:86 , HOH A:2218 , HOH A:2219 , TYR B:63 , PRO B:86BINDING SITE FOR RESIDUE SO3 A1242
05AC5SOFTWARELYS A:68 , LYS A:93 , ALA B:21 , ARG B:24 , HIS B:25BINDING SITE FOR RESIDUE SO4 B1239
06AC6SOFTWAREGLY B:17 , LEU B:18 , ASN B:19 , HIS B:45 , HOH B:2070 , HOH B:2220BINDING SITE FOR RESIDUE SO4 B1240
07AC7SOFTWAREGLN A:159 , HIS B:7 , LYS B:218 , ARG B:238 , HOH B:2221 , HOH B:2222BINDING SITE FOR RESIDUE SO4 B1241
08AC8SOFTWAREGLN A:159 , LYS A:218 , LYS B:218 , ARG B:219 , HOH B:2223 , HOH B:2224BINDING SITE FOR RESIDUE SO4 B1242
09AC9SOFTWARELYS B:71 , ALA B:72 , HIS B:96 , TYR B:115 , HOH B:2107 , HOH B:2225 , HOH B:2226 , HOH B:2227BINDING SITE FOR RESIDUE SO3 B1243
10BC1SOFTWARETHR A:224 , ASN A:225 , SER A:228 , HIS A:230 , SER A:231 , HOH A:2210 , HOH A:2220 , HOH A:2221 , TYR B:191 , TYR B:201BINDING SITE FOR RESIDUE GOL A1243

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 1VYB)

(-) 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:236
 aligned with LORF2_HUMAN | O00370 from UniProtKB/Swiss-Prot  Length:1275

    Alignment length:236
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232      
          LORF2_HUMAN     3 GSNSHITILTLNVNGLNSPIKRHRLASWIKSQDPSVCCIQETHLTCRDTHRLKIKGWRKIYQANGKQKKAGVAILVSDKTDFKPTKIKRDKEGHYIMVKGSIQQEELTILNIYAPNTGAPRFIKQVLSDLQRDLDSHTLIMGDFNTPLSILDRSTRQKVNKDTQELNSALHQTDLIDIYRTLHPKSTEYTFFSAPHHTYSKIDHIVGSKALLSKCKRTEIITNYLSDHSAIKLELR 238
               SCOP domains d1vyba_ A: Endonuclease domain of LINE-1 reverse transcriptase homolog                                                                                                                                                                       SCOP domains
               CATH domains 1vybA00 A:3-238  [code=3.60.10.10, no name defined]                                                                                                                                                                                          CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....eeeeeee.....hhhhhhhhhhhhhhhh..eeeee.......hhhhh......eeeee........eeeee......eeeeeee.....eeeeeeee..eeeeeeeee....hhhhhhhhhhhhh.......eeeeee.....hhhh.......hhhhhhhhhhhhhh.eeehhhhhh.......eee....eee..eeeeee.hhhh.eeeeeee........eeeeee. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1vyb A   3 GSNSHITILTLNINGLNSAIKRHRLASWIKSQDPSVCCIQETHLTCRDTHRLKIKGWRKIYQANGKQKKAGVAILVSDKTDFKPTKIKRDKEGHYIMVKGSIQQEELTILNIYAPNTGAPRFIKQVLSDLQRDLDSHTLIMGDFNTPLSTLDRSTRQKVNKDTQELNSALHQADLIDIYRTLHPKSTEYTFFSAPHHTYSKIDHIVGSKALLSKCKRTEIITNYLSDHSAIKLELR 238
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232      

Chain B from PDB  Type:PROTEIN  Length:233
 aligned with LORF2_HUMAN | O00370 from UniProtKB/Swiss-Prot  Length:1275

    Alignment length:233
                                    15        25        35        45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205       215       225       235   
          LORF2_HUMAN     6 SHITILTLNVNGLNSPIKRHRLASWIKSQDPSVCCIQETHLTCRDTHRLKIKGWRKIYQANGKQKKAGVAILVSDKTDFKPTKIKRDKEGHYIMVKGSIQQEELTILNIYAPNTGAPRFIKQVLSDLQRDLDSHTLIMGDFNTPLSILDRSTRQKVNKDTQELNSALHQTDLIDIYRTLHPKSTEYTFFSAPHHTYSKIDHIVGSKALLSKCKRTEIITNYLSDHSAIKLELR 238
               SCOP domains d1vybb_ B: Endonuclease domain of LINE-1 reverse transcriptase homolog                                                                                                                                                                    SCOP domains
               CATH domains 1vybB00 B:6-238  [code=3.60.10.10, no name defined]                                                                                                                                                                                       CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeee.....hhhhhhhhhhhhhhhh..eeeee.......hhhhh......eeeee........eeeee.....eeeeeeee.....eeeeeeee..eeeeeeeee....hhhhhhhhhhhhh.......eeeeee.....hhhh.......hhhhhhhhhhhhhh.eeehhhhhh.......eee....eee..eeeeee.hhhh.eeeeeee........eeeeee. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1vyb B   6 SHITILTLNINGLNSAIKRHRLASWIKSQDPSVCCIQETHLTCRDTHRLKIKGWRKIYQANGKQKKAGVAILVSDKTDFKPTKIKRDKEGHYIMVKGSIQQEELTILNIYAPNTGAPRFIKQVLSDLQRDLDSHTLIMGDFNTPLSTLDRSTRQKVNKDTQELNSALHQADLIDIYRTLHPKSTEYTFFSAPHHTYSKIDHIVGSKALLSKCKRTEIITNYLSDHSAIKLELR 238
                                    15        25        35        45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205       215       225       235   

   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 Unit

(-) CATH Domains  (1, 2)

Asymmetric Unit
(-)
Class: Alpha Beta (26913)

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (15, 15)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (LORF2_HUMAN | O00370)
molecular function
    GO:0003964    RNA-directed DNA polymerase activity    Catalysis of the reaction: deoxynucleoside triphosphate + DNA(n) = diphosphate + DNA(n+1). Catalyzes RNA-template-directed extension of the 3'- end of a DNA strand by one deoxynucleotide at a time.
    GO:0009036    Type II site-specific deoxyribonuclease activity    Catalysis of the endonucleolytic cleavage of DNA to give specific double-stranded fragments with terminal 5'-phosphates and 3' hydroxyls. Cleavage is dependent on the presence in the DNA of a specific recognition site; cleavage occurs at or very near this recognition site.
    GO:0003824    catalytic activity    Catalysis of a biochemical reaction at physiological temperatures. In biologically catalyzed reactions, the reactants are known as substrates, and the catalysts are naturally occurring macromolecular substances known as enzymes. Enzymes possess specific binding sites for substrates, and are usually composed wholly or largely of protein, but RNA that has catalytic activity (ribozyme) is often also regarded as enzymatic.
    GO:0004519    endonuclease activity    Catalysis of the hydrolysis of ester linkages within nucleic acids by creating internal breaks.
    GO:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0004518    nuclease activity    Catalysis of the hydrolysis of ester linkages within nucleic acids.
    GO:0016779    nucleotidyltransferase activity    Catalysis of the transfer of a nucleotidyl group to a reactant.
    GO:0016740    transferase activity    Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
biological process
    GO:0006310    DNA recombination    Any process in which a new genotype is formed by reassortment of genes resulting in gene combinations different from those that were present in the parents. In eukaryotes genetic recombination can occur by chromosome assortment, intrachromosomal recombination, or nonreciprocal interchromosomal recombination. Intrachromosomal recombination occurs by crossing over. In bacteria it may occur by genetic transformation, conjugation, transduction, or F-duction.
    GO:0008152    metabolic process    The chemical reactions and pathways, including anabolism and catabolism, by which living organisms transform chemical substances. Metabolic processes typically transform small molecules, but also include macromolecular processes such as DNA repair and replication, and protein synthesis and degradation.
    GO:0090305    nucleic acid phosphodiester bond hydrolysis    The nucleic acid metabolic process in which the phosphodiester bonds between nucleotides are cleaved by hydrolysis.
    GO:0032199    reverse transcription involved in RNA-mediated transposition    The synthesis of DNA from an RNA transposon intermediate.
    GO:0032197    transposition, RNA-mediated    Any process involved in a type of transpositional recombination which occurs via an RNA intermediate.

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 Related Entries

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

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        LORF2_HUMAN | O003702v0r 2v0s

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