<?xml version="1.0" encoding="UTF-8"?>
<emd emdb_id="EMD-3042" version="3.0.1.9">
    <admin>
        <status_history_list>
            <status status_id="1">
                <code>HPUB</code>
            </status>
        </status_history_list>
        <current_status>
            <code>OBS</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2015-06-09</deposition>
            <header_release>2015-07-15</header_release>
            <obsolete>2016-08-24</obsolete>
            <update>2016-08-24</update>
        </key_dates>
        <title>RNC-Ski238-complex in the "tethered" state</title>
        <authors_list>
            <author>Schmidt C</author>
            <author>Kowalinski E</author>
            <author>Shanmuganathan V</author>
            <author>Defenouillere Q</author>
            <author>Braunger K</author>
            <author>Pech M</author>
            <author>Berninghausen O</author>
            <author>Fromont-Racine M</author>
            <author>Jacquier A</author>
            <author>Conti E</author>
            <author>Becker T</author>
            <author>Beckmann R</author>
        </authors_list>
        <keywords>3'-5' mRNA decay, non-stop mRNA decay, ribosome stalling</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="false">
                    <author order="1">Schmidt C</author>
                    <author order="2">Kowalinski E</author>
                    <author order="3">Shanmuganathan V</author>
                    <author order="4">Defenouillere Q</author>
                    <author order="5">Braunger K</author>
                    <author order="6">Pech M</author>
                    <author order="7">Berninghausen O</author>
                    <author order="8">Fromont-Racine M</author>
                    <author order="9">Jacquier A</author>
                    <author order="10">Conti E</author>
                    <author order="11">Becker T</author>
                    <author order="12">Beckmann R</author>
                    <title>he Ski complex binds 80S ribosomes for 3- to 5- decay of mRNA</title>
                    <journal>To Be Published</journal>
                </journal_citation>
            </primary_citation>
        </citation_list>
    </crossreferences>
    <sample>
        <name>RNC-Ski238-complex in the "tethered" state</name>
        <supramolecule_list>
            <sample_supramolecule supramolecule_id="1000">
                <name>RNC-Ski238-complex in the "tethered" state</name>
                <oligomeric_state>One ribosome binds to one Ski complex (consisting of Ski2, Ski3 and two copies of Ski8)</oligomeric_state>
                <number_unique_components>4</number_unique_components>
                <molecular_weight>
                    <theoretical units="MDa">3.4</theoretical>
                </molecular_weight>
            </sample_supramolecule>
            <complex_supramolecule supramolecule_id="1">
                <name>80S ribosome</name>
                <recombinant_exp_flag>false</recombinant_exp_flag>
                <natural_source database="NCBI">
                    <organism ncbi="4932">Saccharomyces cerevisiae</organism>
                    <synonym_organism>Baker's Yeast</synonym_organism>
                </natural_source>
                <recombinant_expression database="NCBI"/>
                <ribosome-details>ribosome-eukaryote: ALL</ribosome-details>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name synonym="Ski2">Antiviral helicase SKI2</name>
                <natural_source database="NCBI">
                    <organism ncbi="4932">Saccharomyces cerevisiae</organism>
                    <synonym_organism>Baker's Yeast</synonym_organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.146</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <oligomeric_state>Monomer</oligomeric_state>
                <recombinant_exp_flag>true</recombinant_exp_flag>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="7111">Trichoplusia ni</recombinant_organism>
                    <recombinant_cell>High five</recombinant_cell>
                    <recombinant_plasmid>pFastBac</recombinant_plasmid>
                </recombinant_expression>
                <sequence>
                    <external_references type="UNIPROTKB">P35207</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name synonym="Ski3">Superkiller protein 3</name>
                <natural_source database="NCBI">
                    <organism ncbi="4932">Saccharomyces cerevisiae</organism>
                    <synonym_organism>Baker's Yeast</synonym_organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.164</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <oligomeric_state>monomer</oligomeric_state>
                <recombinant_exp_flag>true</recombinant_exp_flag>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="7111">Trichoplusia ni</recombinant_organism>
                    <recombinant_cell>High five</recombinant_cell>
                    <recombinant_plasmid>pFastBac</recombinant_plasmid>
                </recombinant_expression>
                <sequence>
                    <external_references type="UNIPROTKB">P17883</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="3">
                <name synonym="Ski8">Antiviral protein SKI8</name>
                <natural_source database="NCBI">
                    <organism ncbi="4932">Saccharomyces cerevisiae</organism>
                    <synonym_organism>Baker's Yeast</synonym_organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.044</theoretical>
                </molecular_weight>
                <number_of_copies>2</number_of_copies>
                <oligomeric_state>Dimer</oligomeric_state>
                <recombinant_exp_flag>true</recombinant_exp_flag>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="7111">Trichoplusia ni</recombinant_organism>
                    <recombinant_cell>high five</recombinant_cell>
                    <recombinant_plasmid>pFastBac</recombinant_plasmid>
                </recombinant_expression>
                <sequence>
                    <external_references type="UNIPROTKB">Q02793</external_references>
                </sequence>
            </protein_or_peptide>
        </macromolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>singleParticle</method>
            <aggregation_state>particle</aggregation_state>
            <specimen_preparation_list>
                <single_particle_preparation preparation_id="1">
                    <buffer>
                        <ph>7.0</ph>
                        <details>20 mM Tris pH 7.0, 150 mM potassium acetate (KOAc), 10 mM magnesium acetate (Mg(OAc)2), 1 mM dithiothreitol (DTT) and 0.01 mg/ml cycloheximide.</details>
                    </buffer>
                    <staining>
                        <type>NEGATIVE</type>
                        <details>Cryo-EM</details>
                    </staining>
                    <grid>
                        <details>Quantifoil Grids with 2 nm carbon on top</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">100</chamber_humidity>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                        <method>Blot for 3 seconds before plunging</method>
                    </vitrification>
                </single_particle_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <single_particle_microscopy microscopy_id="1">
                    <microscope>FEI TITAN KRIOS</microscope>
                    <illumination_mode>FLOOD BEAM</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">300</acceleration_voltage>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">0.91</nominal_defocus_min>
                    <nominal_defocus_max units="µm">4.33</nominal_defocus_max>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <date>2014-06-30</date>
                    <image_recording_list>
                        <image_recording>
                            <film_or_detector_model category="CCD">TVIPS TEMCAM-F816 (8k x 8k)</film_or_detector_model>
                            <number_real_images>8425</number_real_images>
                            <average_electron_dose_per_image units="e/Å^2">25</average_electron_dose_per_image>
                            <bits_per_pixel>16.0</bits_per_pixel>
                        </image_recording>
                    </image_recording_list>
                </single_particle_microscopy>
            </microscopy_list>
            <singleparticle_processing image_processing_id="1">
                <details>This is a data subset after computational sorting with SPIDER</details>
                <ctf_correction>
                    <details>on volumes (SPIDER)</details>
                </ctf_correction>
                <final_reconstruction>
                    <algorithm>OTHER</algorithm>
                    <resolution units="Å" res_type="BY AUTHOR">8.54</resolution>
                    <resolution_method>OTHER</resolution_method>
                    <software_list>
                        <software>
                            <name>SPIDER</name>
                        </software>
                    </software_list>
                    <number_images_used>30508</number_images_used>
                </final_reconstruction>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="197865">
        <file>emd_3042.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>370</col>
            <row>370</row>
            <sec>370</sec>
        </dimensions>
        <origin>
            <col>-185</col>
            <row>-185</row>
            <sec>-184</sec>
        </origin>
        <spacing>
            <x>370</x>
            <y>370</y>
            <z>370</z>
        </spacing>
        <cell>
            <a units="Å">492.1</a>
            <b units="Å">492.1</b>
            <c units="Å">492.1</c>
            <alpha units="deg">90.0</alpha>
            <beta units="deg">90.0</beta>
            <gamma units="deg">90.0</gamma>
        </cell>
        <axis_order>
            <fast>X</fast>
            <medium>Y</medium>
            <slow>Z</slow>
        </axis_order>
        <statistics>
            <minimum>-0.74449033</minimum>
            <maximum>1.84592807</maximum>
            <average>-0.00238067</average>
            <std>0.15111394</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.33</x>
            <y units="Å">1.33</y>
            <z units="Å">1.33</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.252</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <annotation_details>RNC-Ski238 complex in the "tethered" state</annotation_details>
        <details>::::EMDATABANK.org::::EMD-3042::::</details>
    </map>
</emd>
