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(-) Description

Title :  STRUCTURE OF ESSENTIAL PROTEIN FROM TRYPANOSOMA BRUCEI
 
Authors :  M. Wu
Date :  13 Oct 09  (Deposition) - 17 Nov 10  (Release) - 06 Apr 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.10
Chains :  Asym. Unit :  A,C
Biol. Unit 1:  A,C  (2x)
Keywords :  Rna-Editing, Ob-Fold, Rna-Editing Proteins, Kinetoplastids, Immune System, Rna Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  M. Wu, Y. J. Park, E. Pardon, S. Turley, A. Hayhurst, J. Deng, J. Steyaert, W. G. Hol
Structures Of A Key Interaction Protein From The Trypanosom Brucei Editosome In Complex With Single Domain Antibodies.
J. Struct. Biol. V. 174 124 2011
PubMed-ID: 20969962  |  Reference-DOI: 10.1016/J.JSB.2010.10.007

(-) Compounds

Molecule 1 - ANTIBODY
    ChainsA
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    Organism ScientificLAMA GLAMA
    Organism Taxid9844
 
Molecule 2 - MP18 RNA EDITING COMPLEX PROTEIN
    ChainsC
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    GeneTB10.70.2090
    Organism ScientificTRYPANOSOMA BRUCEI
    Organism Taxid5691

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit AC
Biological Unit 1 (2x)AC

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 3K7U)

(-) Sites  (0, 0)

(no "Site" information available for 3K7U)

(-) SS Bonds  (1, 1)

Asymmetric Unit
No.Residues
1A:22 -A:96

(-) Cis Peptide Bonds  (2, 2)

Asymmetric Unit
No.Residues
1Pro C:107 -Ser C:108
2Pro C:122 -Pro C:123

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3K7U)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3K7U)

(-) Exons   (0, 0)

(no "Exon" information available for 3K7U)

(-) 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:119
                                                                                                                                                       
               SCOP domains d3k7ua_ A: automated matches                                                                                            SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .eeee..eeee....eeeeeeehhhhhh...eeeeee......eeeeee.....eeeee......eeeeee....eeeeee...hhhhheeeeeeeee........eeee...eeeeee Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------- Transcript
                 3k7u A   3 QLQESGGGLVQAGGSLTLSCAASGRTFSNNAMGWFRQAPGKEREFVAAISWTGGLLFYADSVNGRFTISRDNAKRTVTLQMNSLKPEDTAVYYCAARPQGDYVTAHYDYWGQGTQVTVS 121
                                    12        22        32        42        52        62        72        82        92       102       112         

Chain C from PDB  Type:PROTEIN  Length:98
 aligned with Q38B90_TRYB2 | Q38B90 from UniProtKB/TrEMBL  Length:164

    Alignment length:114
                                    30        40        50        60        70        80        90       100       110       120       130    
         Q38B90_TRYB2    21 SVNSVTLVGVVHDIQSGFVYEDAVTQFTLTTTSIDTTHPTQEVVVEKDHHTIRCFGELFSAEVKQKVKEGNVVCVNGRLRLSPQLEPSCNKHFYFPYIQVQPPHGQVAVIHGDR 134
               SCOP domains ------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ....eeeeeeeeeeeeee....eeeeeeeeee..-----------.eeeeeeeeehhhhhhhhhhhh....eeeeeeeeee.......-----..eeeee.....eeeeee... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------ Transcript
                 3k7u C  21 SVNSVTLVGVVHDIQSGFVYEDAVTQFTLTTTSI-----------EKDHHTIRCFGELFSAEVKQKVKEGNVVCVNGRLRLSPQLEPS-----YFPYIQVQPPHGQVAVIHGDR 134
                                    30        40        50   |     -     |  70        80        90       100       | -   |   120       130    
                                                            54          66                                       108   114                    

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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, 1)

Asymmetric Unit

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3K7U)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3K7U)

(-) Gene Ontology  (7, 7)

Asymmetric Unit(hide GO term definitions)
Chain C   (Q38B90_TRYB2 | Q38B90)
molecular function
    GO:0003723    RNA binding    Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
    GO:0004519    endonuclease activity    Catalysis of the hydrolysis of ester linkages within nucleic acids by creating internal breaks.
    GO:0003697    single-stranded DNA binding    Interacting selectively and non-covalently with single-stranded DNA.
biological process
    GO:0009451    RNA modification    The covalent alteration of one or more nucleotides within an RNA molecule to produce an RNA molecule with a sequence that differs from that coded genetically.
    GO:0090305    nucleic acid phosphodiester bond hydrolysis    The nucleic acid metabolic process in which the phosphodiester bonds between nucleotides are cleaved by hydrolysis.
cellular component
    GO:0031019    mitochondrial mRNA editing complex    An mRNA editing complex found in the mitochondrion. The best characterized example is that of Trypanosoma brucei, which catalyzes the insertion and deletion of uridylates.
    GO:0005739    mitochondrion    A semiautonomous, self replicating organelle that occurs in varying numbers, shapes, and sizes in the cytoplasm of virtually all eukaryotic cells. It is notably the site of tissue respiration.

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  Cis Peptide Bonds
    Pro C:107 - Ser C:108   [ RasMol ]  
    Pro C:122 - Pro C:123   [ RasMol ]  
 
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 Related Entries

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

UniProtKB/TrEMBL
        Q38B90_TRYB2 | Q38B903k80 3k81 3stb 4dni

(-) Related Entries Specified in the PDB File

3k80 3k81