<?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_11_0/emdb.xsd" version="3.0.11.0" emdb_id="EMD-53392">
    <admin>
        <current_status>
            <date>2025-12-10</date>
            <code>REL</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2025-04-11</deposition>
            <header_release>2025-12-10</header_release>
            <map_release>2025-12-10</map_release>
            <update>2025-12-10</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>European Research Council (ERC)</funding_body>
                <code>740329</code>
                <country>European Union</country>
            </grant_reference>
            <grant_reference>
                <funding_body>European Research Council (ERC)</funding_body>
                <code>101054447</code>
                <country>European Union</country>
            </grant_reference>
            <grant_reference>
                <funding_body>German Research Foundation (DFG)</funding_body>
                <code>SFB1035</code>
                <country>Germany</country>
            </grant_reference>
            <grant_reference>
                <funding_body>Novo Nordisk Foundation</funding_body>
                <code>31199</code>
                <country>Denmark</country>
            </grant_reference>
            <grant_reference>
                <funding_body>German Federal Ministry for Education and Research</funding_body>
                <code>DZD</code>
                <country>Germany</country>
            </grant_reference>
        </grant_support>
        <title>human PAN2-PAN3 bound to a 90Ai/PABPC1 RNP</title>
        <authors_list>
            <author ORCID="0009-0004-5145-7841">Albrecht JC</author>
            <author ORCID="0009-0004-9485-1996">Reitinger T</author>
            <author ORCID="0000-0003-2151-3991">Basquin J</author>
            <author ORCID="0009-0004-7775-6751">Schuessler S</author>
            <author ORCID="0000-0002-7301-7300">Schaefer IB</author>
            <author ORCID="0000-0003-1254-5588">Conti E</author>
        </authors_list>
        <keywords>complex, mammalian, deadenylase, mRNA poly(A) tail, RNA processing, mRNA, RNA BINDING PROTEIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Albrecht JC</author>
                    <author order="2">Reitinger T</author>
                    <author order="3">Basquin J</author>
                    <author order="4">Schussler S</author>
                    <author order="5">Riggi M</author>
                    <author order="6">Schafer IB</author>
                    <author order="7">Conti E</author>
                    <title>Mechanisms governing poly(A)-tail-length specificity of the human PAN2-PAN3 deadenylase complex.</title>
                    <journal_abbreviation>Cell Rep</journal_abbreviation>
                    <country>US</country>
                    <volume>44</volume>
                    <first_page>116609</first_page>
                    <last_page>116609</last_page>
                    <year>2025</year>
                    <external_references type="PUBMED">41275497</external_references>
                    <external_references type="DOI">doi:10.1016/j.celrep.2025.116609</external_references>
                    <external_references type="ISSN">2211-1247</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-53362</emdb_id>
                <relationship>
                    <other>other EM volume</other>
                </relationship>
                <details>comes from same dataset</details>
            </emdb_reference>
        </emdb_list>
        <other_db_list>
            <db_reference>
                <db_name>EMDB</db_name>
                <accession_id>EMD-53362</accession_id>
                <content_type>other EM volume</content_type>
                <details>comes from same dataset</details>
            </db_reference>
            <db_reference>
                <db_name>EMDB</db_name>
                <accession_id>EMD-53392</accession_id>
                <content_type>associated EM volume</content_type>
            </db_reference>
            <db_reference>
                <db_name>PDB</db_name>
                <accession_id>9QTU</accession_id>
                <content_type>unspecified</content_type>
                <details>model for EMD-53362</details>
            </db_reference>
        </other_db_list>
    </crossreferences>
    <sample>
        <name>heterotrimeric PAN2-PAN3 mRNA deadenylase complex composed of the regulatory PAN3 homodimer bound to the catalytic PAN2 in complex with an inhibitory 90Ai/PABPC1 RNP</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>heterotrimeric PAN2-PAN3 mRNA deadenylase complex composed of the regulatory PAN3 homodimer bound to the catalytic PAN2 in complex with an inhibitory 90Ai/PABPC1 RNP</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>human PAN2</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>LEVO</enantiomer>
                <sequence>
                    <string>MHSALDPVLDAHLNPSLLQN
VELDPEGVALEALPVQESVH
IMEGVYSELHSVVAEVGVPV
SVSHFDLHEEMLWVGSHGGH
ATSFFGPALERYSSFQVNGS
DDIRQIQSLENGILFLTKNN
LKYMARGGLIIFDYLLDENE
DMHSLLLTDSSTLLVGGLQN
HILEIDLNTVQETQKYAVET
PGVTIMRQTNRFFFCGHTSG
KVSLRDLRTFKVEHEFDAFS
GSLSDFDVHGNLLAACGFSS
RLTGLACDRFLKVYDLRMMR
AITPLQVHVDPAFLRFIPTY
TSRLAIISQSGQCQFCEPTG
LANPADIFHVNPVGPLLMTF
DVSASKQALAFGDSEGCVHL
WTDSPEPSFNPYSRETEFAL
PCLVDSLPPLDWSQDLLPLS
LIPVPLTTDTLLSDWPAANS
APAPRRAPPVDAEILRTMKK
VGFIGYAPNPRTRLRNQIPY
RLKESDSEFDSFSQVTESPV
GREEEPHLHMVSKKYRKVTI
KYSKLGLEDFDFKHYNKTLF
AGLEPHIPNAYCNCMIQVLY
FLEPVRCLIQNHLCQKEFCL
ACELGFLFHMLDLSRGDPCQ
GNNFLRAFRTIPEASALGLI
LADSDEASGKGNLARLIQRW
NRFILTQLHQDMQELEIPQA
YRGAGGSSFCSSGDSVIGQL
FSCEMENCSLCRCGSETVRA
SSTLLFTLSYPDGSKSDKTG
KNYDFAQVLKRSICLDQNTQ
AWCDTCEKYQPTIQTRNIRH
LPDILVINCEVNSSKEADFW
RMQAEVAFKMAVKKHGGEIS
KNKEFALADWKELGSPEGVL
VCPSIEELKNVWLPFSIRMK
MTKNKGLDVCNWTDGDEMQW
GPARAEEEHGVYVYDLMATV
VHILDSRTGGSLVAHIKVGE
TYHQRKEGVTHQQWYLFNDF
LIEPIDKHEAVQFDMNWKVP
AILYYVKRNLNSRYNLNIKN
PIEASVLLAEASLARKQRKT
HTTFIPLMLNEMPQIGDLVG
LDAEFVTLNEEEAELRSDGT
KSTIKPSQMSVARITCVRGQ
GPNEGIPFIDDYISTQEQVV
DYLTQYSGIKPGDLDAKISS
KHLTTLKSTYLKLRFLIDIG
VKFVGHGLQKDFRVINLMVP
KDQVLDTVYLFHMPRKRMIS
LRFLAWYFLDLKIQGETHDS
IEDARTALQLYRKYLELSKN
GTEPESFHKVLKGLYEKGRK
MDWKVPEPEGQTSPKNAAVF
SSVLAL</string>
                    <external_references type="UNIPROTKB">Q504Q3</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>human PAN3 short isoform</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>LEVO</enantiomer>
                <sequence>
                    <string>MNSGGGLPPPSAAASPSSSS
LAAAVAVVAPPGVGGVPGGA
AVGVKLKYCRYYAKDKTCFY
GEECQFLHEDPAAGAAPGLG
LHSNSVPLALAGAPVAGFPP
GAVAGGGAGPPPGPKKPDLG
DPGTGAAAGGGGSSGGLDGP
RLAIPGMDGGALTDTSLTDS
YFSTSFIGVNGFGSPVETKY
PLMQRMTNSSSSPSLLNDSA
KPYSAHDPLTSPASSLFNDF
GALNISQRRKTPNPTASEFI
PKGGSTSRLSNVSQSNMSAF
SQVFSHPSMGSPATAGLAPG
MSLSAGSSPLHSPKITPHTS
PAPRRRSHTPNPASYMVPSS
ASTSVNNPVSQTPSSGQVIQ
KETVGGTTYFYTDTTPAPLT
GMVFPNYHIYPPTAPHVAYM
QPKANAPSFFMADELRQELI
NRHLITMAQIDQADMPAVPT
EVDSYHSLFPLEPLPPPNRI
QKSSNFGYITSCYKAVNSKD
DLPYCLRRIHGFRLVNTKCM
VLVDMWKKIQHSNIVTLREV
FTTKAFAEPSLVFAYDFHAG
GETMMSRHFNDPNADAYFTK
RKWGQHEGPLPRQHAGLLPE
SLIWAYIVQLSSALRTIHTA
GLACRVMDPTKILITGKTRL
RVNCVGVFDVLTFDNSQNNN
PLALMAQYQQADLISLGKVV
LALACNSLAGIQRENLQKAM
ELVTINYSSDLKNLILYLLT
DQNRMRSVNDIMPMIGARFY
TQLDAAQMRNDVIEEDLAKE
VQNGRLFRLLAKLGTINERP
EFQKDPTWSETGDRYLLKLF
RDHLFHQVTEAGAPWIDLSH
IISCLNKLDAGVPEKISLIS
RDEKSVLVVTYSDLKRCFEN
TFQELIAAANGQLSAWSHPQ
FEKGGGSGGGSGGSAWSHPQ
FEK</string>
                    <external_references type="UNIPROTKB">Q58A45</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="3">
                <name>human PABPC1</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="562">Escherichia coli</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MNPSAPSYPMASLYVGDLHP
DVTEAMLYEKFSPAGPILSI
RVCRDMITRRSLGYAYVNFQ
QPADAERALDTMNFDVIKGK
PVRIMWSQRDPSLRKSGVGN
IFIKNLDKSIDNKALYDTFS
AFGNILSCKVVCDENGSKGY
GFVHFETQEAAERAIEKMNG
MLLNDRKVFVGRFKSRKERE
AELGARAKEFTNVYIKNFGE
DMDDERLKDLFGKFGPALSV
KVMTDESGKSKGFGFVSFER
HEDAQKAVDEMNGKELNGKQ
IYVGRAQKKVERQTELKRKF
EQMKQDRITRYQGVNLYVKN
LDDGIDDERLRKEFSPFGTI
TSAKVMMEGGRSKGFGFVCF
SSPEEATKAVTEMNGRIVAT
KPLYVALAQRKEERQAHLTN
QYMQRMASVRAVPNPVINPY
QPAPPSGYFMAAIPQTQNRA
AYYPPSQIAQLRPSPRWTAQ
GARPHPFQNMPGAIRPAAPR
PPFSTMRPASSQVPRVMSTQ
RVANTSTQTMGPRPAAAAAA
ATPAVRTVPQYKYAAGVRNP
QQHLNAQPQVTMQQPAVHVQ
GQEPLTASMLASAPPQEQKQ
MLGERLFPLIQAMHPTLAGK
ITGMLLEIDNSELLHMLESP
ESLRSKVDEAVAVLQAHQAK
EAAQKAVNSATGVPTVSAWSHPQFE
K</string>
                </sequence>
            </protein_or_peptide>
            <rna macromolecule_id="4">
                <name>90Ai RNA</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
                </natural_source>
                <details>85A-GGG-AA RNA oligo</details>
                <sequence>
                    <string>AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGGGAA</string>
                </sequence>
            </rna>
        </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">0.12</concentration>
                    <buffer>
                        <ph>7.5</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE-PROPANE</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>TFS 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">100.0</c2_aperture_diameter>
                    <nominal_cs units="mm">2.62</nominal_cs>
                    <nominal_defocus_min units="µm">0.5</nominal_defocus_min>
                    <nominal_defocus_max units="µm">2.8000000000000003</nominal_defocus_max>
                    <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 BIOQUANTUM (6k x 4k)</film_or_detector_model>
                            <number_grids_imaged>1</number_grids_imaged>
                            <average_exposure_time units="s">3.5</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">70.0</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>
                <ctf_correction>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                            <version>4</version>
                        </software>
                    </software_list>
                    <type>PHASE FLIPPING AND AMPLITUDE CORRECTION</type>
                </ctf_correction>
                <startup_model type_of_model="INSILICO MODEL"/>
                <final_reconstruction>
                    <resolution units="Å" res_type="BY AUTHOR">7.0</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                            <version>4</version>
                        </software>
                    </software_list>
                    <number_images_used>16132</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                            <version>4</version>
                        </software>
                    </software_list>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                            <version>4</version>
                        </software>
                    </software_list>
                </final_angle_assignment>
                <final_three_d_classification>
                    <number_classes>3</number_classes>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                            <version>4</version>
                        </software>
                    </software_list>
                </final_three_d_classification>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="42593">
        <file>emd_53392.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>220</col>
            <row>220</row>
            <sec>220</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>220</x>
            <y>220</y>
            <z>220</z>
        </spacing>
        <cell>
            <a units="Å">374.0</a>
            <b units="Å">374.0</b>
            <c units="Å">374.0</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>-0.9091213</minimum>
            <maximum>2.3995857</maximum>
            <average>0.00079705333</average>
            <std>0.073507115</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.7</x>
            <y units="Å">1.7</y>
            <z units="Å">1.7</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.28</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-53392::::</label>
        <annotation_details>human PAN2-PAN3 bound to the 90Ai/PABPC1 RNP, sharpened map</annotation_details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <initial_model>
                    <chain>
                        <source_name>AlphaFold</source_name>
                        <initial_model_type>in silico model</initial_model_type>
                    </chain>
                </initial_model>
                <refinement_protocol>RIGID BODY FIT</refinement_protocol>
            </modelling>
        </modelling_list>
        <segmentation_list>
            <segmentation>
                <file>emd_53392_msk_2.map</file>
            </segmentation>
            <segmentation>
                <file>emd_53392_msk_1.map</file>
            </segmentation>
        </segmentation_list>
        <half_map_list>
            <half_map format="CCP4" size_kbytes="42593">
                <file>emd_53392_half_map_2.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>220</col>
                    <row>220</row>
                    <sec>220</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>220</x>
                    <y>220</y>
                    <z>220</z>
                </spacing>
                <cell>
                    <a units="Å">374.0</a>
                    <b units="Å">374.0</b>
                    <c units="Å">374.0</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>-0.941908</minimum>
                    <maximum>2.350122</maximum>
                    <average>0.0027590988</average>
                    <std>0.08195067</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">1.7</x>
                    <y units="Å">1.7</y>
                    <z units="Å">1.7</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-53392::::</label>
                <annotation_details>human PAN2-PAN3 bound to the 90Ai/PABPC1 RNP, half map A</annotation_details>
            </half_map>
            <half_map format="CCP4" size_kbytes="42593">
                <file>emd_53392_half_map_1.map.gz</file>
                <symmetry>
                    <space_group>1</space_group>
                </symmetry>
                <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
                <dimensions>
                    <col>220</col>
                    <row>220</row>
                    <sec>220</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>220</x>
                    <y>220</y>
                    <z>220</z>
                </spacing>
                <cell>
                    <a units="Å">374.0</a>
                    <b units="Å">374.0</b>
                    <c units="Å">374.0</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>-1.0086935</minimum>
                    <maximum>2.4192033</maximum>
                    <average>0.0028694242</average>
                    <std>0.082075365</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">1.7</x>
                    <y units="Å">1.7</y>
                    <z units="Å">1.7</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-53392::::</label>
                <annotation_details>human PAN2-PAN3 bound to the 90Ai/PABPC1 RNP, half map B</annotation_details>
            </half_map>
        </half_map_list>
    </interpretation>
</emd>
