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(-) Description

Title :  T. MARITIMA NUSB, P3221
 
Authors :  I. Bonin, R. Robelek, H. Benecke, H. Urlaub, A. Bacher, G. Richter, M. C.
Date :  12 Jul 04  (Deposition) - 31 Aug 04  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.72
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (1x)
Biol. Unit 2:  B  (1x)
Keywords :  N-Utilization Substance, Nusb, Rna-Protein Interaction, Transcriptional Antitermination, Transcription Regulation, Transcription (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  I. Bonin, R. Robelek, H. Benecke, H. Urlaub, A. Bacher, G. Richter, M. C. Wahl
Crystal Structures Of The Antitermination Factor Nusb From Thermotoga Maritima And Implications For Rna Binding
Biochem. J. V. 383 419 2004
PubMed-ID: 15279620  |  Reference-DOI: 10.1042/BJ20040889

(-) Compounds

Molecule 1 - N UTILIZATION SUBSTANCE PROTEIN B HOMOLOG
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PNCO113, PNOC113-TMANUSB
    Expression System Strain: M15
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: NUSB, TM1765
    Organism Scientific: THERMOTOGA MARITIMA
    Organism Taxid: 2336
    Synonym: NUSB PROTEIN

 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  (1, 2)

Asymmetric Unit (1, 2)
No.NameCountTypeFull Name
1CIT2Ligand/IonCITRIC ACID
Biological Unit 1 (1, 1)
No.NameCountTypeFull Name
1CIT1Ligand/IonCITRIC ACID
Biological Unit 2 (1, 1)
No.NameCountTypeFull Name
1CIT1Ligand/IonCITRIC ACID

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREPHE A:17 , GLN A:18 , PHE A:21 , CIT A:600 , PHE B:13 , LYS B:14 , ARG B:113 , TYR B:114 , HOH B:622BINDING SITE FOR RESIDUE CIT B 500
2AC2SOFTWAREPHE A:13 , LYS A:14 , ARG A:113 , TYR A:114 , HOH A:610 , PHE B:17 , GLN B:18 , PHE B:21 , CIT B:500BINDING SITE FOR RESIDUE CIT A 600

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 1TZX)

(-) 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:141
 aligned with NUSB_THEMA | Q9X286 from UniProtKB/Swiss-Prot  Length:142

    Alignment length:141
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141 
           NUSB_THEMA     2 KTPRRRMRLAVFKALFQHEFRRDEDLEQILEEILDETYDKKAKEDARRYIRGIKENLSMIDDLISRYLEKWSLNRLSVVDRNVLRLATYELLFEKDIPIEVTIDEAIEIAKRYGTENSGKFVNGILDRIAKEHAPKEKFEL 142
               SCOP domains d1tzxa_ A: Antitermination factor NusB                                                                                                        SCOP domains
               CATH domains 1tzxA00 A:2-142 N-utilizing Substance Protein B Homolog; Chain A                                                                              CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhhhhh.....hhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhh..........hhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1tzx A   2 KTPRRRMRLAVFKALFQHEFRRDEDLEQILEEILDETYDKKAKEDARRYIRGIKENLSMIDDLISRYLEKWSLNRLSVVDRNVLRLATYELLFEKDIPIEVTIDEAIEIAKRYGTENSGKFVNGILDRIAKEHAPKEKFEL 142
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141 


Chain B from PDB  Type:PROTEIN  Length:141
 aligned with NUSB_THEMA | Q9X286 from UniProtKB/Swiss-Prot  Length:142

    Alignment length:141
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141 
           NUSB_THEMA     2 KTPRRRMRLAVFKALFQHEFRRDEDLEQILEEILDETYDKKAKEDARRYIRGIKENLSMIDDLISRYLEKWSLNRLSVVDRNVLRLATYELLFEKDIPIEVTIDEAIEIAKRYGTENSGKFVNGILDRIAKEHAPKEKFEL 142
               SCOP domains d1tzxb_ B: Antitermination factor NusB                                                                                                        SCOP domains
               CATH domains 1tzxB00 B:2-142 N-utilizing Substance Protein B Homolog; Chain A                                                                              CATH domains
           Pfam domains (1) ----NusB-1tzxB01 B:6-132                                                                                                           ---------- Pfam domains (1)
           Pfam domains (2) ----NusB-1tzxB02 B:6-132                                                                                                           ---------- Pfam domains (2)
         Sec.struct. author ..hhhhhhhhhhhhhhhhh.....hhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1tzx B   2 KTPRRRMRLAVFKALFQHEFRRDEDLEQILEEILDETYDKKAKEDARRYIRGIKENLSMIDDLISRYLEKWSLNRLSVVDRNVLRLATYELLFEKDIPIEVTIDEAIEIAKRYGTENSGKFVNGILDRIAKEHAPKEKFEL 142
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
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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  (1, 2)

Asymmetric Unit
(-)
Class: All alpha proteins (14657)

(-) CATH Domains  (1, 2)

Asymmetric Unit
(-)
Class: Mainly Alpha (13335)

(-) Pfam Domains  (1, 2)

Asymmetric Unit
(-)
Clan: no clan defined [family: NusB] (9)

(-) Gene Ontology  (4, 4)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (NUSB_THEMA | Q9X286)
molecular function
    GO:0003723    RNA binding    Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
biological process
    GO:0006353    DNA-templated transcription, termination    The cellular process that completes DNA-templated transcription; the formation of phosphodiester bonds ceases, the RNA-DNA hybrid dissociates, and RNA polymerase releases the DNA.
    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.

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  1tzx
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  NUSB_THEMA | Q9X286
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 Related Entries

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

UniProtKB/Swiss-Prot
        NUSB_THEMA | Q9X286: 1tzt 1tzu 1tzv 1tzw

(-) Related Entries Specified in the PDB File

1tzt THE SAME PROTEIN IN A SPACE GROUP(P21)
1tzu THE SAME PROTEIN IN A SPACE GROUP(P212121)
1tzv THE SAME PROTEIN IN A SPACE GROUP(P3121), FORM 1
1tzw THE SAME PROTEIN IN A SPACE GROUP(P3121), FORM 2