<?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_2/emdb.xsd" version="3.0.9.2" emdb_id="EMD-20367">
    <admin>
        <current_status>
            <date>2024-03-20</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2019-06-30</deposition>
            <header_release>2019-08-28</header_release>
            <map_release>2019-08-28</map_release>
            <update>2024-03-20</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Institutes of Health/National Institute of Neurological Disorders and Stroke (NIH/NINDS)</funding_body>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>Cryo-EM structure of the zebrafish TRPM2 channel in the apo conformation, processed with C4 symmetry</title>
        <authors_list>
            <author>Yin Y</author>
            <author>Wu M</author>
        </authors_list>
        <keywords>warmth sensor, redox sensor, calcium-permeable ion channel, TRP channel, TRPM channel, ion channel, ADP-ribose, TRANSPORT PROTEIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Yin Y</author>
                    <author order="2">Wu M</author>
                    <author ORCID="0000-0003-2065-3802" order="3">Hsu AL</author>
                    <author order="4">Borschel WF</author>
                    <author order="5">Borgnia MJ</author>
                    <author ORCID="0000-0003-4921-1135" order="6">Lander GC</author>
                    <author ORCID="0000-0002-0662-9921" order="7">Lee SY</author>
                    <title>Visualizing structural transitions of ligand-dependent gating of the TRPM2 channel.</title>
                    <journal_abbreviation>Nat Commun</journal_abbreviation>
                    <country>UK</country>
                    <volume>10</volume>
                    <first_page>3740</first_page>
                    <last_page>3740</last_page>
                    <year>2019</year>
                    <external_references type="PUBMED">31431622</external_references>
                    <external_references type="DOI">doi:10.1038/s41467-019-11733-5</external_references>
                    <external_references type="ISSN">2041-1723</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-20368</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
                <details>Cryo-EM structure of the zebrafish TRPM2 channel in the apo conformation, processed with C2 symmetry (pseudo C4 symmetry)</details>
            </emdb_reference>
            <emdb_reference>
                <emdb_id>EMD-20369</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
                <details>Cryo-EM structure of the zebrafish TRPM2 channel in the presence of ADPR and Ca2+</details>
            </emdb_reference>
        </emdb_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>6pkv</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Transient receptor potential cation channel subfamily M member 2</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Transient receptor potential cation channel subfamily M member 2</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="7955">Danio rerio</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Transient receptor potential cation channel subfamily M member 2</name>
                <natural_source database="NCBI">
                    <organism ncbi="7955">Danio rerio</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.16760862499999998</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>MALGTSGVKIHPNGNSNQLGVQLENVKLTSLFKKLDKRCSLASWIKENIKKKECCFYVEDGREGICKCGYPKVQHCDEAI
KPEDYMGEQWDKHRHVRETPTDAFGDISFGGLGQKTGKYVRVSSDTSCENLYQLMTEQWKLRSPNLLISVTGGAKNFYIK
THLKDKFRRGLIKVAQTTGAWILTGGTHAGVMKHVGMAVRDYTLSSGSMEGQIVVIGVAPWGVIHNRSTLIHPEGRFPAY
YSLDEQGQGRLSCLDINHTHFLLVDDGTQGHYGVEIELRARLEKLISKLSLGNRESGVTIPVVCVVLDGGPGTLNTIYNS
MLNHTPCVVLEGSGRLADVIAHVASVPVSKVTMALINRLLKRFFMQEYKNFTELQIIEWTKKIQDILRMPHLLTVFRIDE
DKNYDVDVAILQALLKASRSDEHAGRHCWERQLELAVAWNRVDIAESEIFTEESQWTSSDLHPAMFSALVGDKPEFVRLL
LENGVCVREFLEREETLCELYSHLPSCFFLRKLAKRVQGGKMRRGQEPLPGSRKVCLSHVSEEVRHLLGSFTQPLYIASR
YKPTKDDVRLKVPSKGALDLPCSGEEWSADTVWDPGRDLFLWAVVQNNRELAEIGWEQCRDCIAAALAASKILRKLAQES
GEDDSEEATEMLELANHYEKQAIGVFSECHSWDAQRAQKLLIRISPSWGRSTCLWLALEAHDKSFIAHSGVQALLTQIWC
GELSVDNPHWKVLLCMIFFPLIYTGFLTFRRDEDIQRQAERTEQQKLAMESVFAGQSDGKIKRHLRGFSQKSELKPLNCS
SRLMSFLKSPQVKFYWNIASYFGFLWLFAVVLMIDFQTSPSWRELLLYVWLTSLVCEEIRQLYHDFDGSGFRRKAKMYIK
DLWNILDVLSIVLFIAGLICRLQASDTVFYIGKVILCIDFIIFCLRLMAIFSISRTLGPKIIIVRRMMLDLFFFMFLLSI
WVVAYGVAKQGILIENEERLNWIIRGAVYEPYITIFGNFPTNIDNTLFDISSCSVNASDPLKPKCPMLNADNTPVFPEWL
TIMMLCVYLLFANILLLNLLIAIFNYTFQEVQDNTDTIWKFQRYELIKEYHSRPALPPPFILLSHLILFIRGVFLRDLPQ
RHKNFRQELEQTEEEELLSWEAYMKDNYLASTRQDESQSVEHRIHDTAEKVGAMSELLEREQEMV(UNK)(UNK)(UNK)
(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)(UNK)
(UNK)(UNK)(UNK)DEEAPHMFARQLQYPDSTVRRFPVPEEKVSWEVNFSPYQPPVYNQQDSSESDTSALDKHRNPGGR
TGIRGKGALNTLGPNHILHPIFTRWRDAEHKVLEFLAVWEDAEKRWALLGGPAQPDEPLAQVLERILGKKLNEKTKTLLK
AGEEVYKGYVDDSRNTDNAWVETSIITLHCDKNTPLMADLNHMVESSLSSHQPLQWREVSSDACRCSYQREALRQIAHHH
NTYFSNSLEVLFQGPDYKDDDDKAHHHHHHHHHH</string>
                </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">
                    <concentration units="mg/mL">3.6</concentration>
                    <buffer>
                        <ph>8.0</ph>
                    </buffer>
                    <grid>
                        <model>UltrAuFoil</model>
                        <material>GOLD</material>
                        <mesh>300</mesh>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                            <time units="s">30</time>
                        </pretreatment>
                        <details>15 mA</details>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">95</chamber_humidity>
                        <chamber_temperature units="K">298.15</chamber_temperature>
                        <instrument>LEICA EM GP</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>
                    <nominal_cs units="mm">2.7</nominal_cs>
                    <nominal_defocus_min units="µm">0.75</nominal_defocus_min>
                    <nominal_defocus_max units="µm">2.5</nominal_defocus_max>
                    <nominal_magnification>22500.0</nominal_magnification>
                    <specimen_holder_model>FEI TITAN KRIOS AUTOGRID HOLDER</specimen_holder_model>
                    <cooling_holder_cryogen>NITROGEN</cooling_holder_cryogen>
                    <alignment_procedure>
                        <coma_free/>
                    </alignment_procedure>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K3 (6k x 4k)</film_or_detector_model>
                            <number_grids_imaged>1</number_grids_imaged>
                            <number_real_images>3776</number_real_images>
                            <average_exposure_time units="s">4.6</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">60.0</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>301199</number_selected>
                </particle_selection>
                <startup_model type_of_model="EMDB MAP">
                    <emdb_id>EMD-7127</emdb_id>
                    <details>The EM map for the previously reported apo TRPM8 structure (EMD-7127) was low-pass filtered to 30 Angstrom and used as an initial model without a reference mask.</details>
                </startup_model>
                <final_reconstruction>
                    <applied_symmetry>
                        <point_group>C4</point_group>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">4.3</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.0</version>
                        </software>
                    </software_list>
                    <details>No symmetry (C1) was imposed during reconstructions and classifications. C4 symmetry was imposed during the final 3D auto-refinement.</details>
                    <number_images_used>58005</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>PROJECTION MATCHING</type>
                    <projection_matching_processing/>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.0</version>
                        </software>
                    </software_list>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>PROJECTION MATCHING</type>
                    <projection_matching_processing/>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <version>3.0</version>
                        </software>
                    </software_list>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="67109">
        <file>emd_20367.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>256</col>
            <row>256</row>
            <sec>256</sec>
        </dimensions>
        <origin>
            <col>-256</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>256</x>
            <y>256</y>
            <z>256</z>
        </spacing>
        <cell>
            <a units="Å">272.896</a>
            <b units="Å">272.896</b>
            <c units="Å">272.896</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>-0.027883323</minimum>
            <maximum>0.055690564</maximum>
            <average>-0.000032200187</average>
            <std>0.0030542659</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.066</x>
            <y units="Å">1.066</y>
            <z units="Å">1.066</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.01</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-20367::::</label>
        <annotation_details>zebrafish TRPM2 channel in the apo conformation, processed with C4 symmetry</annotation_details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <initial_model>
                    <access_code>6D73</access_code>
                    <chain>
                        <chain_id>A</chain_id>
                        <source_name>PDB</source_name>
                        <initial_model_type>experimental model</initial_model_type>
                    </chain>
                </initial_model>
                <refinement_protocol>RIGID BODY FIT</refinement_protocol>
                <refinement_space>REAL</refinement_space>
                <overall_bvalue>150.0</overall_bvalue>
            </modelling>
        </modelling_list>
    </interpretation>
</emd>
