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(-) Description

Title :  CRYSTAL STRUCTURE ANALYSIS OF THE ARCHAEBACTERIAL RIBOSOMAL PROTEIN S7
 
Authors :  H. Hosaka, M. Yao, M. Kimura, I. Tanaka
Date :  07 Aug 01  (Deposition) - 29 Aug 01  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.10
Chains :  Asym./Biol. Unit :  A
Keywords :  Ribosomal Protein, Rna-Binding, Decoding Center, Helix-Turn- Helix, Ribosome (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  H. Hosaka, M. Yao, M. Kimura, I. Tanaka
The Structure Of The Archaebacterial Ribosomal Protein S7 And Its Possible Interaction With 16S Rrna.
J. Biochem. (Tokyo) V. 130 695 2001
PubMed-ID: 11686933
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - RIBOSOMAL PROTEIN S7
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET22B
    Expression System Strain: BL21-CODONPLUS(DE3)-RIL
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: PH1541
    Organism Scientific: PYROCOCCUS HORIKOSHII
    Organism Taxid: 53953
    Synonym: 30S RIBOSOMAL PROTEIN S7P

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

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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/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
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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:166
 aligned with RS7_PYRHO | O59230 from UniProtKB/Swiss-Prot  Length:218

    Alignment length:201
                                    27        37        47        57        67        77        87        97       107       117       127       137       147       157       167       177       187       197       207       217 
            RS7_PYRHO    18 IKVMGRWSTEDVEVKDPSLKPYINLEPRLLPHTHGRHAKKHFGKANVHIVERLINKVMRSGGSHYKVAGHFMRREHRSLNSKKVRAYEVVKEAFKIIEKRTGKNPIQVLVWAIENAAPREDTTSVMFGGIRYHVAVDISPLRRLDVALRNIALGASAKCYRTKMSFAEALAEEIILAANKDPKSYAYSKKLEIERIAESSR 218
               SCOP domains d1iqva_ A: Ribosomal protein                   S7                                                                                                                                                         SCOP domains
               CATH domains 1iqvA00 A:18-218 Ribosomal P                  rotein S7;                                                                                                                                                  CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhh............hhhhh.....------------------.hhhhhhhhhhhh....-----------------hhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhh...eeeeeee..eeeeeee..hhhhhhhhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1iqv A  18 IKVMGRWSTEDVEVKDPSLKPYINLEPR------------------VHIVERLINKVMRSGGS-----------------SKKVRAYEVVKEAFKIIEKRTGKNPIQVLVWAIENAAPREDTTSVMFGGIRYHVAVDISPLRRLDVALRNIALGASAKCYRTKMSFAEALAEEIILAANKDPKSYAYSKKLEIERIAESSR 218
                                    27        37       | -         -      | 67        77  |      -         -|      107       117       127       137       147       157       167       177       187       197       207       217 
                                                      45                 64              80                98
   Legend:   → Mismatch (orange background)
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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  (1, 1)

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

(-) CATH Domains  (1, 1)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (7, 7)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (RS7_PYRHO | O59230)
molecular function
    GO:0003723    RNA binding    Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
    GO:0019843    rRNA binding    Interacting selectively and non-covalently with ribosomal RNA.
    GO:0003735    structural constituent of ribosome    The action of a molecule that contributes to the structural integrity of the ribosome.
biological process
    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.
cellular component
    GO:0030529    intracellular ribonucleoprotein complex    An intracellular macromolecular complex containing both protein and RNA molecules.
    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.
    GO:0015935    small ribosomal subunit    The smaller of the two subunits of a ribosome.

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