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(-) Description

Title :  CRYSTAL STRUCTURE OF THE N-TERMINAL DOMAIN OF NUSG (NGN) FROM METHANOCALDOCOCCUS JANNASCHII
 
Authors :  H. H. Zhou, Q. Liu, Y. X. Gao, M. K. Teng, L. W. Niu
Date :  15 Oct 08  (Deposition) - 16 Jun 09  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.04
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (2x)
Keywords :  Alpha/Beta Structure, Antiparallel Beta Sheet, Flanked Alpha Helices, Transcription (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  H. H. Zhou, Q. Liu, Y. X. Gao, M. K. Teng, L. W. Niu
Crystal Structure Of Nusg N-Terminal (Ngn) Domain From Methanocaldococcus Jannaschii And Its Interaction With Rpoe''
Proteins V. 76 787 2009
PubMed-ID: 19475703  |  Reference-DOI: 10.1002/PROT.22465

(-) Compounds

Molecule 1 - PUTATIVE TRANSCRIPTION ANTITERMINATION PROTEIN NUSG
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET22B(+)
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Fragment: N-TERMINAL DOMAIN, RESIDUES 1-83
    Gene: NUSG
    Organism Common: METHANOCOCCUS JANNASCHII
    Organism Scientific: METHANOCALDOCOCCUS JANNASCHII
    Organism Taxid: 2190
    Strain: DSM 2661
    Synonym: NUSG, NGN

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit : A
Biological Unit 1 (2x): A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric Unit (1, 2)
No.NameCountTypeFull Name
1DIO2Ligand/Ion1,4-DIETHYLENE DIOXIDE
Biological Unit 1 (1, 4)
No.NameCountTypeFull Name
1DIO4Ligand/Ion1,4-DIETHYLENE DIOXIDE

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETYR A:42 , ILE A:71 , LEU A:79BINDING SITE FOR RESIDUE DIO A 92
2AC2SOFTWAREILE A:2 , SER A:32 , LEU A:34 , GLU A:46BINDING SITE FOR RESIDUE DIO A 93

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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(-) PROSITE Motifs  (0, 0)

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(-) Exons   (0, 0)

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(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
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SAPs(SNPs) PROSITE motifs Exons
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Chain A from PDB  Type:PROTEIN  Length:80
 aligned with SPT5_METJA | Q57818 from UniProtKB/Swiss-Prot  Length:147

    Alignment length:80
                                    10        20        30        40        50        60        70        80
            SPT5_METJA    1 MIFAVRTMVGQEKNIAGLMASRAEKEQLDVYSILASESLKGYVLVEAETKGDVEELIKGMPRVRGIVPGTIAIEEIEPLL 80
               SCOP domains -------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeeeee...hhhhhhhhhhhhhhhh...eeeee.......eeeeee.hhhhhhhhhh....eeee.....hhhhh.... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------- Transcript
                  3ewg A  1 MIFAVRTMVGQEKNIAGLMASRAEKEQLDVYSILASESLKGYVLVEAETKGDVEELIKGMPRVRGIVPGTIAIEEIEPLL 80
                                    10        20        30        40        50        60        70        80
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  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 3EWG)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (8, 8)

Asymmetric Unit(hide GO term definitions)
Chain A   (SPT5_METJA | Q57818)
molecular function
    GO:0003735    structural constituent of ribosome    The action of a molecule that contributes to the structural integrity of the ribosome.
    GO:0003746    translation elongation factor activity    Functions in chain elongation during polypeptide synthesis at the ribosome.
biological process
    GO:0006355    regulation of transcription, DNA-templated    Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0006351    transcription, DNA-templated    The cellular synthesis of RNA on a template of DNA.
    GO:0006412    translation    The cellular metabolic process in which a protein is formed, using the sequence of a mature mRNA or circRNA molecule to specify the sequence of amino acids in a polypeptide chain. Translation is mediated by the ribosome, and begins with the formation of a ternary complex between aminoacylated initiator methionine tRNA, GTP, and initiation factor 2, which subsequently associates with the small subunit of the ribosome and an mRNA or circRNA. Translation ends with the release of a polypeptide chain from the ribosome.
    GO:0006414    translational elongation    The successive addition of amino acid residues to a nascent polypeptide chain during protein biosynthesis.
cellular component
    GO:0005622    intracellular    The living contents of a cell; the matter contained within (but not including) the plasma membrane, usually taken to exclude large vacuoles and masses of secretory or ingested material. In eukaryotes it includes the nucleus and cytoplasm.
    GO:0005840    ribosome    An intracellular organelle, about 200 A in diameter, consisting of RNA and protein. It is the site of protein biosynthesis resulting from translation of messenger RNA (mRNA). It consists of two subunits, one large and one small, each containing only protein and RNA. Both the ribosome and its subunits are characterized by their sedimentation coefficients, expressed in Svedberg units (symbol: S). Hence, the prokaryotic ribosome (70S) comprises a large (50S) subunit and a small (30S) subunit, while the eukaryotic ribosome (80S) comprises a large (60S) subunit and a small (40S) subunit. Two sites on the ribosomal large subunit are involved in translation, namely the aminoacyl site (A site) and peptidyl site (P site). Ribosomes from prokaryotes, eukaryotes, mitochondria, and chloroplasts have characteristically distinct ribosomal proteins.

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 Related Entries

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UniProtKB/Swiss-Prot
        SPT5_METJA | Q57818: 3lpe 4zn1 4zn3

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