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        <key_dates>
            <deposition>2025-09-03</deposition>
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            <map_release>2026-02-04</map_release>
            <update>2026-02-04</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>Swiss National Science Foundation</funding_body>
                <code>200021_200628</code>
                <country>Switzerland</country>
            </grant_reference>
            <grant_reference>
                <funding_body>European Research Council (ERC)</funding_body>
                <code>101118656</code>
                <country>European Union</country>
            </grant_reference>
        </grant_support>
        <title>Cryo-EM structure of the transient receptor potential melastatin 4 (TRPM4) channel prepared using the cryoWriter automated grid preparation system with spiral-pattern writing</title>
        <authors_list>
            <author ORCID="0000-0003-2283-5482">Chinmaya KV</author>
            <author ORCID="0000-0002-0928-4682">Ekundayo B</author>
            <author ORCID="0000-0003-3812-5995">Di Fabrizio M</author>
            <author ORCID="0000-0001-8177-1349">Mohammed I</author>
            <author ORCID="0000-0002-5815-5537">Radecke J</author>
            <author ORCID="0000-0002-1185-4592">Stahlberg H</author>
            <author ORCID="0000-0002-9264-0499">Kube M</author>
        </authors_list>
        <keywords>automated grid preparation, TRPM4, cryo-EM, cryoWriter, TRANSPORT PROTEIN</keywords>
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    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="false">
                    <author ORCID="0000-0003-2283-5482" order="1">Chinmaya KV</author>
                    <author ORCID="0000-0002-0928-4682" order="2">Ekundayo B</author>
                    <author ORCID="0000-0003-3812-5995" order="3">Di Fabrizio M</author>
                    <author ORCID="0000-0001-8177-1349" order="4">Mohammed I</author>
                    <author ORCID="0000-0002-5815-5537" order="5">Radecke J</author>
                    <author ORCID="0000-0002-1185-4592" order="6">Stahlberg H</author>
                    <author ORCID="0000-0002-9264-0499" order="7">Kube M</author>
                    <title>CryoWriter: A Robotic Solution for Improved Cryo-EM Grid Preparation</title>
                    <journal_abbreviation>To Be Published</journal_abbreviation>
                    <external_references type="CSD">0353</external_references>
                </journal_citation>
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        <name>Transient receptor potential (TRP) melastatin 4 (TRPM4)</name>
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                <name>Transient receptor potential (TRP) melastatin 4 (TRPM4)</name>
                <parent>0</parent>
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                        <macromolecule_id>1</macromolecule_id>
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                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
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                <name>Transient receptor potential (TRP) melastatin 4 (TRPM4)</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
                </recombinant_expression>
                <enantiomer>DEXTRO</enantiomer>
                <sequence>
                    <string>RSFHLEASLM DALLNDRPEF VRLLISHGLS LGHFLTPMRL AQLYSAAPSN SLIRNLLDQA SHSAGTKAPA LKGGAAELRP PDVGHVLRML
LGKMCAPRYP SGGAWDPHPG QGFGESMYLL SDKATSPLSL DAGLGQAPWS DLLLWALLLN RAQMAMYFWE MGSNAVSSAL GACLLLRVMA
RLEPDAEEAA RRKDLAFKFE GMGVDLFGEC YRSSEVRAAR LLLRRCPLWG DATCLQLAMQ ADARAFFAQD GVQSLLTQKW WGDMASTTPI
WALVLAFFCP PLIYTRLITF RKSEEEPTRE ELEFDMDSVI NGEGPVGTAD PAEKTPLGVP RQSGRPGCCG GRCGGRRCLR RWFHFWGAPV
TIFMGNVVSY LLFLLLFSRV LLVDFQPAPP GSLELLLYFW AFTLLCEELR QGLSGGGGSL ASGGPGPGHA SLSQRLRLYL ADSWNQCDLV
ALTCFLLGVG CRLTPGLYHL GRTVLCIDFM VFTVRLLHIF TVNKQLGPKI VIVSKMMKDV FFFLFFLGVW LVAYGVATEG LLRPRDSDFP
SILRRVFYRP YLQIFGQIPQ EDMDVALMEH SNCSSEPGFW AHPPGAQAGT CVSQYANWLV VLLLVIFLLV ANILLVNLLI AMFSYTFGKV
QGNSDLYWKA QRYRLIREFH SRPALAPPFI VISHLRLLLR QLCRRPRSPQ PSSPALEHFR VYLSKEAERK LLTWESVHKE NFLLARARDK
RESDSERLKR TSQKVDLALK QLGHIREY</string>
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                    <concentration units="mg/mL">6</concentration>
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                        <model>Quantifoil R1.2/1.3</model>
                        <material>COPPER</material>
                        <mesh>300</mesh>
                        <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>
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                    <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_defocus_min units="µm">0.5</nominal_defocus_min>
                    <nominal_defocus_max units="µm">2.0</nominal_defocus_max>
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                            <film_or_detector_model>FEI FALCON IV (4k x 4k)</film_or_detector_model>
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