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(-) Description

Title :  CRYSTAL STRUCTURE OF THE CHLOROPLAST GROUP II INTRON SPLICING FACTOR CRS2
 
Authors :  G. J. Ostheimer, A. Barkan, B. W. Matthews
Date :  21 Dec 03  (Deposition) - 30 Dec 03  (Release) - 01 Dec 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.70
Chains :  Asym./Biol. Unit :  A
Keywords :  Alpha-Beta, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  G. J. Ostheimer, H. Hadjivasiliou, D. P. Kloer, A. Barkan, B. W. Matthews
Structural Analysis Of The Group Ii Intron Splicing Factor Crs2 Yields Insights Into Its Protein And Rna Interaction Surfaces
J. Mol. Biol. V. 345 51 2005
PubMed-ID: 15567410  |  Reference-DOI: 10.1016/J.JMB.2004.10.032
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CRS2
    Chains: A
    EC Number: 3.1.1.29
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PQE40
    Expression System Strain: M15
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: CRS2
    Organism Scientific: ZEA MAYS
    Organism Taxid: 4577

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 1RYB)

(-) Sites  (0, 0)

(no "Site" information available for 1RYB)

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (1, 1)

Asymmetric/Biological Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1PEPT_TRNA_HYDROL_1PS01195 Peptidyl-tRNA hydrolase signature 1.CRS2_MAIZE74-87  1A:16-29

(-) Exons   (0, 0)

(no "Exon" information available for 1RYB)

(-) 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:186
 aligned with CRS2_MAIZE | Q9M5P4 from UniProtKB/Swiss-Prot  Length:256

    Alignment length:191
                                    68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248 
           CRS2_MAIZE    59 YTPWLIAGLGNPGNKYYGTRHNVGFEMVDRIAAEEGITMNTIQSKSLLGIGSIGEVPVLVVKPQSYMNYSGEAIGPLAAYYQVPLRHILLIYDDTSLPNGVLRLQKKGGHGRHNGLQNVIEHLDGRREFPRLSIGIGSPPGKMDPRAFLLQKFSSEERVQIDTALEQGVDAVRTLVLKGFSGSTERFNLVQ 249
               SCOP domains d1ryba_ A: Chloroplast group II intron splicing factor Crs2                                                                                                                                     SCOP domains
               CATH domains 1rybA00 A:1-191  [code=3.40.50.1470, no name defined]                                                                                                                                           CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeee....hhhhh.hhhhhhhhhhhhhhhhh.....eee..eeeeeeee..eeeeeeee..hhhhhhhhhhhhhhhh..hhh.eeeeeee.......eeee.......hhhhhhhhhhh.......eeeee........hhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhh-----....... Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------PEPT_TRNA_HYDR------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ryb A   1 YTPWLIAGLGNPGNKYYGTRHNVGFEMVDRIAAEEGITMNTIQSKSLLGIGSIGEVPVLVVKPQSYMNYSGEAIGPLAAYYQVPLRHILLIYDDTSLPNGVLRLQKKGGHGRHNGLQNVIEHLDGRREFPRLSIGIGSPPGKMDPRAFLLQKFSSEERVQIDTALEQGVDAVRTLVLKG-----ERFNLVQ 191
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170        |-    |  190 
                                                                                                                                                                                                            179   185
   Legend:   → Mismatch (orange background)
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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/Biological Unit
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (1, 1)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (7, 7)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (CRS2_MAIZE | Q9M5P4)
molecular function
    GO:0004045    aminoacyl-tRNA hydrolase activity    Catalysis of the reaction: N-substituted aminoacyl-tRNA + H2O = N-substituted amino acid + tRNA.
biological process
    GO:0008380    RNA splicing    The process of removing sections of the primary RNA transcript to remove sequences not present in the mature form of the RNA and joining the remaining sections to form the mature form of the RNA.
    GO:0006397    mRNA processing    Any process involved in the conversion of a primary mRNA transcript into one or more mature mRNA(s) prior to translation into polypeptide.
cellular component
    GO:0009507    chloroplast    A chlorophyll-containing plastid with thylakoids organized into grana and frets, or stroma thylakoids, and embedded in a stroma.
    GO:0009570    chloroplast stroma    The space enclosed by the double membrane of a chloroplast but excluding the thylakoid space. It contains DNA, ribosomes and some temporary products of photosynthesis.
    GO:0030529    intracellular ribonucleoprotein complex    An intracellular macromolecular complex containing both protein and RNA molecules.
    GO:0009536    plastid    Any member of a family of organelles found in the cytoplasm of plants and some protists, which are membrane-bounded and contain DNA. Plant plastids develop from a common type, the proplastid.

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