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(-) Description

Title :  THE HIGH RESOLUTION STRUCTURE OF THE RNA-BINDING DOMAIN OF TELOMERASE
 
Authors :  S. Rouda, E. Skordalakes
Date :  31 Aug 07  (Deposition) - 13 Nov 07  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.71
Chains :  Asym./Biol. Unit :  A
Keywords :  Telomeres, Telomerase, Chromosomal Protein, Dna-Binding, Nucleotidyltransferase, Nucleus, Rna-Directed Dna Polymerase, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  S. Rouda, E. Skordalakes
Structure Of The Rna-Binding Domain Of Telomerase: Implications For Rna Recognition And Binding.
Structure V. 15 1403 2007
PubMed-ID: 17997966  |  Reference-DOI: 10.1016/J.STR.2007.09.007

(-) Compounds

Molecule 1 - TELOMERASE REVERSE TRANSCRIPTASE
    Chains: A
    EC Number: 2.7.7.49
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET28B
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Fragment: RNA-BINDING DOMAIN (RESIDUES 254-519)
    Gene: TERT
    Organism Scientific: TETRAHYMENA THERMOPHILA
    Organism Taxid: 5911
    Synonym: TELOMERASE CATALYTIC SUBUNIT, TELOMERASE SUBUNIT P133

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 7)

Asymmetric/Biological Unit (1, 7)
No.NameCountTypeFull Name
1BR7Ligand/IonBROMIDE ION

(-) Sites  (5, 5)

Asymmetric Unit (5, 5)
No.NameEvidenceResiduesDescription
1AC1SOFTWARELEU A:333 , ARG A:492BINDING SITE FOR RESIDUE BR A 1
2AC2SOFTWAREASP A:427 , VAL A:428BINDING SITE FOR RESIDUE BR A 3
3AC3SOFTWARELYS A:447BINDING SITE FOR RESIDUE BR A 4
4AC4SOFTWAREARG A:473BINDING SITE FOR RESIDUE BR A 6
5AC5SOFTWAREGLN A:294BINDING SITE FOR RESIDUE BR A 7

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2R4G)

(-) Cis Peptide Bonds  (1, 1)

Asymmetric/Biological Unit
No.Residues
1Gln A:349 -Ser A:350

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2R4G)

(-) PROSITE Motifs  (1, 1)

Asymmetric/Biological Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1RT_POLPS50878 Reverse transcriptase (RT) catalytic domain profile.TERT_TETTH517-881  1A:517-519

(-) Exons   (0, 0)

(no "Exon" information available for 2R4G)

(-) 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:250
 aligned with TERT_TETTH | O77448 from UniProtKB/Swiss-Prot  Length:1117

    Alignment length:261
                                   268       278       288       298       308       318       328       338       348       358       368       378       388       398       408       418       428       438       448       458       468       478       488       498       508       518 
           TERT_TETTH   259 KVIQEKLQGRQFINSDKIKPDHPQTIIKKTLLKEYQSKNFSCQEERDLFLEFTEKIVQNFHNINFNYLLKKFCKLPENYQSLKSQVKQIVQSENKANQQSCENLFNSLYDTEISYKQITNFLRQIIQNCVPNQLLGKKNFKVFLEKLYEFVQMKRFENQKVLDYICFMDVFDVEWFVDLKNQKFTQKRKYISDKRKILGDLIVFIINKIVIPVLRYNFYITEKHKEGSQIFYYRKPIWKLVSKLTIVKLEEENLEKVEEKL 519
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------Telomerase_RBD-2r4gA01 A:374-509                                                                                                        ---------- Pfam domains
         Sec.struct. author .......-----------...hhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh......hhhhhhhhhhhhhh............hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhheeeee.......eeeeehhhhhhhhhhhhhhhhhh......... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------RT_ PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2r4g A 259 KVIQEKL-----------KPDHPQTIIKKTLLKEYQSKNFSCQEERDLFLEFTEKIVQNFHNINFNYLLKKFCKLPENYQSLKSQVKQIVQSENKANQQSCENLFNSLYDTEISYKQITNFLRQIIQNCVPNQLLGKKNFKVFLEKLYEFVQMKRFENQKVLDYICFMDVFDVEWFVDLKNQKFTQKRKYISDKRKILGDLIVFIINKIVIPVLRYNFYITEKHKEGSQIFYYRKPIWKLVSKLTIVKLEEENLEKVEEKL 519
                                  |  -       278       288       298       308       318       328       338       348       358       368       378       388       398       408       418       428       438       448       458       468       478       488       498       508       518 
                                265         277
   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  (0, 0)

(no "SCOP Domain" information available for 2R4G)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2R4G)

(-) Pfam Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Clan: no clan defined [family: Telomerase_RBD] (2)

(-) Gene Ontology  (10, 10)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (TERT_TETTH | O77448)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
    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:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0016779    nucleotidyltransferase activity    Catalysis of the transfer of a nucleotidyl group to a reactant.
    GO:0003721    telomerase RNA reverse transcriptase activity    Catalysis of the extension of the 3' end of a DNA strand by one deoxynucleotide at a time. Cannot initiate a chain de novo; uses the RNA subunit of the telomerase enzyme complex as its template.
    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:0006278    RNA-dependent DNA biosynthetic process    A DNA biosynthetic process that uses RNA as a template for RNA-dependent DNA polymerases (e.g. reverse transcriptase) that synthesize the new strand.
cellular component
    GO:0005694    chromosome    A structure composed of a very long molecule of DNA and associated proteins (e.g. histones) that carries hereditary information.
    GO:0000781    chromosome, telomeric region    The terminal region of a linear chromosome that includes the telomeric DNA repeats and associated proteins.
    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.

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  2r4g
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  TERT_TETTH | O77448
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 Related Entries

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

UniProtKB/Swiss-Prot
        TERT_TETTH | O77448: 2b2a 5c9h

(-) Related Entries Specified in the PDB File

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