<?xml version="1.0" encoding="UTF-8"?>
<emd xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://ftp.ebi.ac.uk/pub/databases/em_ebi/emdb_related/emdb-schemas/emdb_schemas/v3/v3_0_9_3/emdb.xsd" version="3.0.9.3" emdb_id="EMD-11985">
    <admin>
        <current_status>
            <date>2024-05-01</date>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2020-11-24</deposition>
            <header_release>2020-12-09</header_release>
            <map_release>2020-12-09</map_release>
            <update>2024-05-01</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Max Planck Society</funding_body>
                <country>Germany</country>
            </grant_reference>
        </grant_support>
        <title>TRPC4 in complex with Calmodulin</title>
        <authors_list>
            <author>Vinayagam D</author>
            <author>Quentin D</author>
        </authors_list>
        <keywords>ION CHANNEL, TRPC4, COMPLEX, MEMBRANE PROTEIN, CALMODULIN, TRANSPORT PROTEIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Vinayagam D</author>
                    <author order="2">Quentin D</author>
                    <author order="3">Yu-Strzelczyk J</author>
                    <author ORCID="0000-0002-4496-7489" order="4">Sitsel O</author>
                    <author ORCID="0000-0003-4166-8747" order="5">Merino F</author>
                    <author ORCID="0000-0003-0191-6419" order="6">Stabrin M</author>
                    <author order="7">Hofnagel O</author>
                    <author order="8">Yu M</author>
                    <author order="9">Ledeboer MW</author>
                    <author order="10">Nagel G</author>
                    <author order="11">Malojcic G</author>
                    <author ORCID="0000-0001-9373-3016" order="12">Raunser S</author>
                    <title>Structural basis of TRPC4 regulation by calmodulin and pharmacological agents.</title>
                    <journal_abbreviation>Elife</journal_abbreviation>
                    <country>US</country>
                    <volume>9</volume>
                    <year>2020</year>
                    <external_references type="PUBMED">33236980</external_references>
                    <external_references type="DOI">doi:10.7554/eLife.60603</external_references>
                    <external_references type="ISSN">2050-084X</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-11968</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
            </emdb_reference>
        </emdb_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>7b1g</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>TRPC4 membrane protein in complex with calmodulin</name>
        <supramolecule_list>
            <organelle_or_cellular_component_supramolecule supramolecule_id="1">
                <name>TRPC4 membrane protein in complex with calmodulin</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <details>TRPC4 was solubilised in LMNG detergent</details>
                <molecular_weight>
                    <theoretical units="MDa">0.126</theoretical>
                </molecular_weight>
            </organelle_or_cellular_component_supramolecule>
            <organelle_or_cellular_component_supramolecule supramolecule_id="2">
                <name>Transient receptor potential cation channel subfamily c member 4a</name>
                <parent>1</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="7955">Danio rerio</organism>
                    <cellular_location>plasma membrane</cellular_location>
                </natural_source>
            </organelle_or_cellular_component_supramolecule>
            <organelle_or_cellular_component_supramolecule supramolecule_id="3">
                <name>Calmodulin-1</name>
                <parent>1</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="10090">Mus musculus</organism>
                </natural_source>
            </organelle_or_cellular_component_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Transient receptor potential cation channel subfamily c member 4a</name>
                <natural_source database="NCBI">
                    <organism ncbi="7955">Danio rerio</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.105204641</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>GSQLYFRRTDNSSYRDRIPLRIVRAESELSTQEKSYLSAVEKGDYASVKLALEEAEIYFKININCIDPLGRTALLIAIEN
ENLEIIELLLSFNVYVGDALLHAIRKEVVGAVELLLNHKKPSGEKQVPPILLDKQFSDFTPDITPIILAAHTNNYEIIKM
LVQKGVSVPQPHEVRCNCVECVSSSDVDSLRHSRSRLNIYKALASPSLIALSSEDPFLTAFQLSWELQELSKVENEFKAE
YEELSHQCKHFAKDLLDQTRSSRELELILNFRDDMNLLQDEANNELARLKLAIKYRQKEFVAQPNCQQLLASRWYDEFPG
WRRRHWAGKLITCVFIGLMFPLLSLCYLVAPKSRYGLFIRKPFIKFICHTASYLTFLFLLLLASQHIVSNNPDRQGPKPT
TVEWMILPWVLGFIWTEIKQMWDGGFQDYIHDWWNLMDFVMNSLYLATISLKIVAYVKYSGCKPRDTWEMWHPTLVAEAV
FAIANIFSSLRLISLFTANSHLGPLQISLGRMLLDILKFLFIYCLVLLAFANGLNQLYFYYENSEGMTCKGIRCERQNNA
FSTLFETLQSLFWSIFGLISLYVTNVKADHKFTEFVGATMFGTYNVISLVVLLNMLIAMMNNSYQHIADHADIEWKFART
KLWMSYFEEGGTLPPPFNIIPSPKSICYLITWIKVHVFKRRSKRTETFGTLGRRAAENVRLNHQYQEVLRNLVKRYVAAM
IRDAKTEEGLTEENFKELKQDISSFRYEVIGMMKGNRKSTRANKSDTSASDVSHPEGSLQYSSALKQNSKLHLYDVTTAL
QQQNSEEAKASLGCLANGSAVVLTEPILKDKARSDFPKDFTDFGLFPKKQNPNKIYSLAEEATESDPDILDWGKEDKPLA
GKVEQDVNESKCLMEEDERVLEEQEMEHIASSHEH</string>
                    <external_references type="UNIPROTKB">U3N7D8</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>Calmodulin-1</name>
                <natural_source database="NCBI">
                    <organism ncbi="10090">Mus musculus</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.016852544999999997</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="511693">Escherichia coli BL21</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MADQLTEEQIAEFKEAFSLFDKDGDGTITTKELGTVMRSLGQNPTEAELQDMINEVDADGNGTIDFPEFLTMMARKMKDT
DSEEEIREAFRVFDKDGNGYISAAELRHVMTNLGEKLTDEEVDEMIREADIDGDGQVNYEEFVQMMTAK</string>
                    <external_references type="UNIPROTKB">P0DP26</external_references>
                </sequence>
            </protein_or_peptide>
            <ligand macromolecule_id="3">
                <name>CALCIUM ION</name>
                <molecular_weight>
                    <theoretical units="MDa">4.0078e-05</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <formula>CA</formula>
            </ligand>
            <ligand macromolecule_id="4">
                <name>(2R)-3-(phosphonooxy)propane-1,2-diyl dihexanoate</name>
                <molecular_weight>
                    <theoretical units="MDa">0.00036836</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <formula>44E</formula>
            </ligand>
        </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">
                    <concentration units="mg/mL">0.35</concentration>
                    <buffer>
                        <ph>7.4</ph>
                        <component>
                            <concentration units="mM">20.0</concentration>
                            <formula>C4H11NO3</formula>
                            <name>TRIS</name>
                        </component>
                        <component>
                            <concentration units="mM">150.0</concentration>
                            <formula>NaCl</formula>
                            <name>sodium chloride</name>
                        </component>
                        <component>
                            <concentration units="percent">0.003</concentration>
                            <formula>C47H88O26</formula>
                            <name>LMNG</name>
                        </component>
                    </buffer>
                    <grid>
                        <model>Quantifoil R2/1</model>
                        <material>COPPER</material>
                        <support_film film_type_id="1">
                            <film_material>CARBON</film_material>
                            <film_topology>HOLEY</film_topology>
                        </support_film>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                            <time units="s">60</time>
                            <atmosphere>AIR</atmosphere>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">95</chamber_humidity>
                        <chamber_temperature units="K">277</chamber_temperature>
                        <instrument>FEI VITROBOT MARK IV</instrument>
                    </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>
                    <c2_aperture_diameter units="µm">70.0</c2_aperture_diameter>
                    <nominal_cs units="mm">0.001</nominal_cs>
                    <nominal_defocus_min units="µm">1.5</nominal_defocus_min>
                    <nominal_defocus_max units="µm">2.8000000000000003</nominal_defocus_max>
                    <nominal_magnification>130000.0</nominal_magnification>
                    <calibrated_magnification>59000.0</calibrated_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <temperature>
                        <temperature_min units="K">160.0</temperature_min>
                        <temperature_max units="K">190.0</temperature_max>
                    </temperature>
                    <alignment_procedure>
                        <zemlin_tableau/>
                    </alignment_procedure>
                    <specialist_optics>
                        <sph_aberration_corrector>Cs corrector first generation</sph_aberration_corrector>
                        <energy_filter>
                            <name>GIF Quantum LS</name>
                            <slit_width units="eV">20</slit_width>
                        </energy_filter>
                    </specialist_optics>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K2 QUANTUM (4k x 4k)</film_or_detector_model>
                            <detector_mode>COUNTING</detector_mode>
                            <digitization_details>
                                <dimensions>
                                    <width units="pixel">3838</width>
                                    <height units="pixel">3710</height>
                                </dimensions>
                                <frames_per_image>1-80</frames_per_image>
                            </digitization_details>
                            <number_grids_imaged>1</number_grids_imaged>
                            <number_real_images>7972</number_real_images>
                            <average_exposure_time units="s">10.0</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">88.52</average_electron_dose_per_image>
                        </image_recording>
                    </image_recording_list>
                </single_particle_microscopy>
            </microscopy_list>
            <singleparticle_processing image_processing_id="1">
                <image_recording_id>1</image_recording_id>
                <particle_selection>
                    <number_selected>678331</number_selected>
                </particle_selection>
                <startup_model type_of_model="EMDB MAP">
                    <emdb_id>EMD-4339</emdb_id>
                </startup_model>
                <final_reconstruction>
                    <number_classes_used>4</number_classes_used>
                    <applied_symmetry>
                        <point_group>C1</point_group>
                    </applied_symmetry>
                    <algorithm>FOURIER SPACE</algorithm>
                    <resolution units="Å" res_type="BY AUTHOR">3.6</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>SPHIRE</name>
                            <processing_details>MERIDIEN</processing_details>
                        </software>
                    </software_list>
                    <number_images_used>160829</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>NOT APPLICABLE</type>
                    <details>Used EMD-4339 as a reference</details>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>SPHIRE</name>
                            <processing_details>MERIDIEN</processing_details>
                        </software>
                    </software_list>
                </final_angle_assignment>
                <final_three_d_classification>
                    <number_classes>10</number_classes>
                    <software_list>
                        <software>
                            <name>SPHIRE</name>
                            <version>1.3</version>
                            <processing_details>SORT3D</processing_details>
                        </software>
                    </software_list>
                    <details>Symmetry expansion was used to quadruple the Particles.  From the best classes after 3d classification  duplicates were removed that resulted in 
160829 particles</details>
                </final_three_d_classification>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="95552">
        <file>emd_11985.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>288</col>
            <row>288</row>
            <sec>288</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>288</x>
            <y>288</y>
            <z>288</z>
        </spacing>
        <cell>
            <a units="Å">244.8</a>
            <b units="Å">244.8</b>
            <c units="Å">244.8</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>-0.013438393</minimum>
            <maximum>0.023819605</maximum>
            <average>0.00013845753</average>
            <std>0.0009158334</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">0.85</x>
            <y units="Å">0.85</y>
            <z units="Å">0.85</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.0052</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-11985::::</label>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <initial_model>
                    <access_code>6GIK</access_code>
                    <chain>
                        <source_name>PDB</source_name>
                        <initial_model_type>experimental model</initial_model_type>
                    </chain>
                </initial_model>
                <initial_model>
                    <access_code>2LV6</access_code>
                    <chain>
                        <source_name>PDB</source_name>
                        <initial_model_type>experimental model</initial_model_type>
                    </chain>
                </initial_model>
                <refinement_protocol>FLEXIBLE FIT</refinement_protocol>
                <target_criteria>Correlation coefficient</target_criteria>
                <refinement_space>REAL</refinement_space>
                <overall_bvalue>58.039999999999999</overall_bvalue>
            </modelling>
        </modelling_list>
    </interpretation>
</emd>
