<emd emdb_id="EMD-1497" version="3.0.1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://github.com/emdb-empiar/emdb-schemas/blob/master/v3/v3_0_1_1/emdb_relaxed.xsd">
    <admin>
        <current_status>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2008-03-13</deposition>
            <header_release>2008-03-14</header_release>
            <map_release>2009-05-29</map_release>
            <update>2013-03-27</update>
        </key_dates>
        <title>2D Arrays of F-actin Cross-linked by Villin</title>
        <authors_list>
            <author>Hampton CM</author>
            <author>Liu J</author>
            <author>Taylor DW</author>
            <author>DeRosier DJ</author>
            <author>Taylor KA</author>
        </authors_list>
        <keywords>cytoskeleton, actin, electron tomography, microvilli, image processing, lipid monolayer,</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Hampton CM</author>
                    <author order="2">Liu J</author>
                    <author order="3">Taylor DW</author>
                    <author order="4">DeRosier DJ</author>
                    <author order="5">Taylor KA</author>
                    <title>The 3D structure of villin as an unusual F-Actin crosslinker.</title>
                    <journal>STRUCTURE</journal>
                    <volume>16</volume>
                    <first_page>1882</first_page>
                    <last_page>1891</last_page>
                    <year>2008</year>
                    <external_references type="PUBMED">19081064</external_references>
                    <external_references type="DOI">doi:10.1016/j.str.2008.09.015</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
    </crossreferences>
    <sample>
        <name>rabbit F-actin cross-linked with chicken villin</name>
        <supramolecule_list>
            <sample_supramolecule supramolecule_id="1000">
                <name>rabbit F-actin cross-linked with chicken villin</name>
                <details>2D rafts are formed on a lipid monolayer</details>
                <number_unique_components>2</number_unique_components>
            </sample_supramolecule>
            <organelle_or_cellular_component_supramolecule supramolecule_id="1">
                <name synonym="actin">cytoskeleton</name>
                <recombinant_exp_flag>false</recombinant_exp_flag>
                <natural_source database="NCBI">
                    <organism ncbi="9986">Oryctolagus cuniculus</organism>
                    <synonym_organism>Rabbit</synonym_organism>
                    <tissue>psoas muscle</tissue>
                </natural_source>
                <molecular_weight>
                    <experimental units="MDa">42</experimental>
                </molecular_weight>
                <recombinant_expression database="NCBI" />
            </organelle_or_cellular_component_supramolecule>
            <organelle_or_cellular_component_supramolecule supramolecule_id="2">
                <name synonym="villin">cytoskeleton</name>
                <oligomeric_state>monomer</oligomeric_state>
                <recombinant_exp_flag>false</recombinant_exp_flag>
                <natural_source database="NCBI">
                    <organism ncbi="9031">Gallus gallus</organism>
                    <synonym_organism>chicken</synonym_organism>
                    <tissue>intestinal epithelium</tissue>
                    <organelle>microvillus</organelle>
                </natural_source>
                <molecular_weight>
                    <experimental units="MDa">95</experimental>
                </molecular_weight>
                <recombinant_expression database="NCBI" />
            </organelle_or_cellular_component_supramolecule>
        </supramolecule_list>
    </sample>
    <structure_determination_list>
        <structure_determination structure_determination_id="1">
            <method>tomography</method>
            <aggregation_state>twoDArray</aggregation_state>
            <specimen_preparation_list>
                <tomography_preparation preparation_id="1">
                    <staining>
                        <type>NEGATIVE</type>
                        <details>uranyl acetate</details>
                    </staining>
                    <grid>
                        <details>200 mesh holey carbon film</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <instrument>HOMEMADE PLUNGER</instrument>
                        <details>Vitrification instrument: plunge freeze</details>
                    </vitrification>
                    <details>crystals grown on a lipid-monolayer</details>
                </tomography_preparation>
            </specimen_preparation_list>
            <microscopy_list>
                <tomography_microscopy microscopy_id="1">
                    <microscope>FEI/PHILIPS CM300FEG/T</microscope>
                    <illumination_mode>SPOT SCAN</illumination_mode>
                    <imaging_mode>BRIGHT FIELD</imaging_mode>
                    <electron_source>LAB6</electron_source>
                    <acceleration_voltage units="kV">300</acceleration_voltage>
                    <nominal_cs units="mm">2.0</nominal_cs>
                    <nominal_magnification>24000.0</nominal_magnification>
                    <specimen_holder_model>OTHER</specimen_holder_model>
                    <date>2005-05-19</date>
                    <image_recording_list>
                        <image_recording>
                            <film_or_detector_model category="CCD">GENERIC CCD (2k x 2k)</film_or_detector_model>
                        </image_recording>
                    </image_recording_list>
                    <specimen_holder>high tilt</specimen_holder>
                    <tilt_series>
                        <axis1 />
                    </tilt_series>
                </tomography_microscopy>
            </microscopy_list>
            <tomography_processing image_processing_id="1">
                <final_reconstruction>
                    <algorithm>OTHER</algorithm>
                    <resolution res_type="BY AUTHOR" units="&#8491;">30.0</resolution>
                    <resolution_method>OTHER</resolution_method>
                    <software_list>
                        <software>
                            <name>protomo</name>
                        </software>
                    </software_list>
                    <details>tomogram is from a single tilt series</details>
                    <number_images_used>60</number_images_used>
                </final_reconstruction>
                <crystal_parameters>
                    <plane_group>P 2</plane_group>
                </crystal_parameters>
            </tomography_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="862501">
        <file>emd_1497.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>2000</col>
            <row>1840</row>
            <sec>60</sec>
        </dimensions>
        <origin>
            <col>-920</col>
            <row>-1000</row>
            <sec>-30</sec>
        </origin>
        <spacing>
            <x>1840</x>
            <y>2000</y>
            <z>60</z>
        </spacing>
        <cell>
            <a units="&#8491;">10598.4</a>
            <b units="&#8491;">11520</b>
            <c units="&#8491;">345.6</c>
            <alpha units="deg">90</alpha>
            <beta units="deg">90</beta>
            <gamma units="deg">90</gamma>
        </cell>
        <axis_order>
            <fast>X</fast>
            <medium>Y</medium>
            <slow>Z</slow>
        </axis_order>
        <statistics>
            <minimum>-8.51751</minimum>
            <maximum>9.68876</maximum>
            <average>0.00000000632091</average>
            <std>1.0</std>
        </statistics>
        <pixel_spacing>
            <x units="&#8491;">5.76</x>
            <y units="&#8491;">5.76</y>
            <z units="&#8491;">5.76</z>
        </pixel_spacing>
        <annotation_details>tomogram of F-actin crosslinked with villin on a 2D lipid monolayer</annotation_details>
        <details>::::EMDATABANK.org::::EMD-1497::::</details>
    </map>
</emd>