<?xml version='1.0' encoding='utf-8'?>
<emd emdb_id="EMD-4659" version="3.0.2.7" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://github.com/emdb-empiar/emdb-schemas/blob/master/v3/v3_0_2_7/emdb.xsd">
    <admin>
        <current_status>
            <date>2022-04-06</date>
            <code>OBS</code>
            <processing_site>PDBe</processing_site>
        </current_status>
        <sites>
            <deposition>PDBe</deposition>
            <last_processing>PDBe</last_processing>
        </sites>
        <key_dates>
            <deposition>2019-03-05</deposition>
            <header_release>2019-03-27</header_release>
            <map_release>2020-03-18</map_release>
            <obsolete>2022-04-06</obsolete>
            <update>2022-04-06</update>
        </key_dates>
        <superseded_by_list>
            <entry>
                <date>2022-04-06</date>
                <entry>EMD-13898</entry>
            </entry>
        </superseded_by_list>
        <title>The structure of tetrameric cyanobacterial Photosystem I of Chroococcidiopsis sp. TS-821</title>
        <authors_list>
            <author>Semchonok DA</author>
            <author>Ramirez-Aportela E</author>
            <author>Sorzano COS</author>
            <author>Boekema EJ</author>
            <author>Bruce BD</author>
            <author ORCID="0000-0003-2340-2216">Guskov A</author>
        </authors_list>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="false">
                    <author order="1">Semchonok DA</author>
                    <author order="2">Boekema EJ</author>
                    <author order="3">Bruce BD</author>
                    <author order="4">Ramirez-Aportela E</author>
                    <author order="5">Sorzano COS</author>
                    <author ORCID="0000-0003-2340-2216" order="6">Guskov A</author>
                    <title>The structure of tetrameric Photosystem I</title>
                    <journal_abbreviation>To Be Published</journal_abbreviation>
                    <external_references type="CSD">0353</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <emdb_list>
            <emdb_reference>
                <emdb_id>EMD-4659</emdb_id>
                <relationship>
                    <other>associated EM volume</other>
                </relationship>
                <details>The structure of tetrameric   cyanobacterial Photosystem I of  Chroococcidiopsis sp. TS-821</details>
            </emdb_reference>
        </emdb_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>6qwj</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Photosystem I</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Photosystem I</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>3</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>4</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>5</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>6</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>7</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>8</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>9</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>10</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>11</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="1378066">Chroococcidiopsis sp. TS-821</organism>
                </natural_source>
                <molecular_weight>
                    <experimental units="MDa">1.6</experimental>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Photosystem I P700 chlorophyll a apoprotein A1</name>
                <natural_source database="NCBI">
                    <organism ncbi="1378066">Chroococcidiopsis sp. TS-821</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.083352641</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MTMSPPEREEKKARVIVDNDPVPTSFEKWGQPGHFDRTLAKGPKTTTWIWNLHALAHDFDTHTSDLEDISRKIFAAHFGQ
LAVIFLWLSGMEFHGARFSNYEAWLSDPIGIKPSAQVVWPIVGQDILNADVGGGFHGIQITSGLFQVWRAAGFTNSFQLY
VTAIGGLVAAALMLFAGWFHYHKRAPKLEWFQNAESMLNHHLAGLLGLGCLSWAGHQIHVALPVNKLLDAGVAPKDIPLP
HEFILNNSLMAELYPSFAKGLTPFWTLNWGQYADFLTFKGGLNPVTGGLWLTDTAHHHLALAVLFIVAGHMYRTNWGIGH
SIKEILENHKGPFTGDGHKGLYENMTTSWHAQLGTNLAMLGSLTIIVAHHMYAMPPYPYLATDYATALSIFTHHMWIGGF
LIVGGAAHATIFMVRDYDPAVNQNNVLDRVIRHRDAIISHLNWVCMFLGFHSFGLYIHNDTMQALGRPQDMFSDTAIQLQ
PVFAQFVQNIHTLAPGSTAPNALEPVSYAFGGGVVAVGGKIAMMPIALGTADFMIHHIHAFQIHVTVLILLKGFLFARNS
RLIPDKANLGFRFPCDGPGRGGTCQVSGWDHVFLGLFWMFNTIAIAVYHFSWKMQSDVWGTIDPDGTIAHITGGNFAMSA
NTINGWLRDYQWAQAAQVIQSYGSALSAYGLLFLGAHFVWAFSLMFLFSGRGYWQELIESIVWAHNKLKVAPTIQPRALS
IIQGRAVGVAHYLLGAIVTIWAFFEARIISVG</string>
                </sequence>
                <ec_number>1.97.1.12</ec_number>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>Photosystem I P700 chlorophyll a apoprotein A2</name>
                <natural_source database="NCBI">
                    <organism ncbi="1378066">Chroococcidiopsis sp. TS-821</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.082656156</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MATKFPKFSQDLAQDPTTRRLWYGIATAHDFETHDGMTEENLYQKLFATHFGHVAIIFLWTSSLLFHVAWQGNFEQWIKD
PLNVRPIAHAIWDPHFGKAAVDAFTQAGATYPVNIAYSGVYHWWYTIGMRTNNDLYSGAVFLLILAGVFLFAGWLHLQPK
FRPSLSWFKSAEPRLNHHLAGLFGVSSLAWTGHLVHVAIPESRGQHVGWDNFLTTLPHPEGLRPFFTGNWGVYAANPDTA
NHVFGTSQGAGTAILTFLGGFHPQTQSLWLTDMAHHHLAIAVLFIIAGHMYRTNFGIGHSIKEMLNAKNFFGTKTEGQFN
LPHQGLYDTINNSLHFQLSLALAALGTITSLVAQHMYALPPYAFMGQDFTTQAALYTHHQYIAVFLMVGAFAHAGIFWVR
DYDAEQNKGNVLDRVLQHKEAIISHLSWVSLFLGFHTLGLYVHNDVVVAFGTPEKQILIEPVFAQFIQASHGKVLYGLNT
LLSNPDSVASTAGAAWLPGWLDAINNGTNSLFLTIGPGDFLVHHAFALGIHTTVLVLVKGALDARGSKLMPDKKDFGYAF
PCDGPGRGGTCDISAWDAFYLALFWALNTVGWVTFYWHWKHLGIWQGNVAQFNESSTYLMGWLRDYLWLYSAQLINGYNP
YGMNNLSVWAWMFLFGHLVWATGFMFLISWRGYWQELIETLVWAHERTPLASLVRWKDKPVAMSIVQGRLVGLAHFTVGY
VLTYAAFVIASTAGKFG</string>
                </sequence>
                <ec_number>1.97.1.12</ec_number>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="3">
                <name>Photosystem I iron-sulfur center</name>
                <natural_source database="NCBI">
                    <organism ncbi="1378066">Chroococcidiopsis sp. TS-821</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.008939309</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MSHSVKIYDTCIGCTQCVRACPTDVLEMVPWDGCKAGQIAASPRTEDCVGCKRCETACPTDFLSIRVYLSNAETTRSMGL
AY</string>
                </sequence>
                <ec_number>1.97.1.12</ec_number>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="4">
                <name>Photosystem I reaction center subunit II</name>
                <natural_source database="NCBI">
                    <organism ncbi="1378066">Chroococcidiopsis sp. TS-821</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.018520025</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MAEELSGQTPIFGGSTGGLLTKAFREEKYVITWTSPKEQVFEMPTGGAAIMRQGPNKLELARKEYCIALGGQQLRAKFRI
TDYKIYRVYPNGEVQYLHPSDGVFPEKVNEGRQKVGYVDRNIGKNPDPAKLKFSGMTTYNAPGPKSSEAGKGSQDTKSGS
LPRQGIEM</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="5">
                <name>Photosystem I reaction center subunit IV</name>
                <natural_source database="NCBI">
                    <organism ncbi="1378066">Chroococcidiopsis sp. TS-821</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.013551098999999999</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MVERGSKVRILRKESYWFQDVGVVASVDKSGIRYPVIVRFDKVNYAGVNTNNFAETELVEIEKPTAKAKKATPAATGGKQ
TTIDERTRTTGQGTPLKPEAKTTAAPESGEGSSTVVGDANQGTESR</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="6">
                <name>Photosystem I reaction center subunit III</name>
                <natural_source database="NCBI">
                    <organism ncbi="1378066">Chroococcidiopsis sp. TS-821</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.018131969</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MRRLFALVLVISLWFSFAPQALAVGAGLVPCSESPEFIQRAASARNTTADPNSGQKRFERYAQELCGPEGLPHLIVDGRL
NHAGDFLIPSILFLYIAGWIGWVGRAYLQEIKKRDNTELREVIIDVPTALPLMLSGFTWPLAAVKELLSGELVAKDDEIP
VSPR</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="7">
                <name>Photosystem I reaction center subunit VIII</name>
                <natural_source database="NCBI">
                    <organism ncbi="1378066">Chroococcidiopsis sp. TS-821</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.004194028</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MFSASFLPSILVPLTGLVFPAIAMALLLIYVEREDPSGI</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="8">
                <name>Photosystem I reaction center subunit IX</name>
                <natural_source database="NCBI">
                    <organism ncbi="1378066">Chroococcidiopsis sp. TS-821</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.0057608320000000005</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MQKKGDNQNYLLRYLSLGPVLLFAWLSFTAVLLIVFNYLYPDLLFHPLP</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="9">
                <name>Photosystem I reaction center subunit PsaK</name>
                <natural_source database="NCBI">
                    <organism ncbi="1378066">Chroococcidiopsis sp. TS-821</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.00975361</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MTDLILLAAVQSTVPDTVRWSWTGSAIIIGASLVILFIASRTIRFPQVGPKMPLPFPALFNNPSVGTVLGSVSLGHIVGI
GIILGLNNLGILK</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="10">
                <name>Photosystem I reaction center subunit XI</name>
                <natural_source database="NCBI">
                    <organism ncbi="1378066">Chroococcidiopsis sp. TS-821</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.018503156</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MAQAIDASKNRPSDPRNQEVVYPSRRDPQIGNLETPINNSSLVKWFINNLPAYRPGITPLRRGLEVGMAHGYWLLGPFAK
LGPLRDTDVANIAGLLATLGMVVISTLAVSLYAATDPPKPVATVTVPNPPDTFDTTEGWNTFASGFLIGGVGGAVVAYFI
LANIELIQNIFK</string>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="11">
                <name>Photosystem I reaction center subunit XII</name>
                <natural_source database="NCBI">
                    <organism ncbi="1378066">Chroococcidiopsis sp. TS-821</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.003382063</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MSISDTQVFVALVIALIPGVLAFRLATELYK</string>
                </sequence>
            </protein_or_peptide>
            <ligand macromolecule_id="12">
                <name>CHLOROPHYLL A</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000893489</theoretical>
                </molecular_weight>
                <number_of_copies>362</number_of_copies>
                <formula>CLA</formula>
            </ligand>
            <ligand macromolecule_id="13">
                <name>PHYLLOQUINONE</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000450696</theoretical>
                </molecular_weight>
                <number_of_copies>8</number_of_copies>
                <formula>PQN</formula>
            </ligand>
            <ligand macromolecule_id="14">
                <name>IRON/SULFUR CLUSTER</name>
                <molecular_weight>
                    <theoretical units="MDa">0.00035163999999999996</theoretical>
                </molecular_weight>
                <number_of_copies>12</number_of_copies>
                <formula>SF4</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">0.32</concentration>
                    <buffer>
                        <ph>6.5</ph>
                        <component>
                            <concentration units="mM">50.0</concentration>
                            <formula>C6H13NO4S</formula>
                            <name>MES</name>
                        </component>
                        <component>
                            <concentration units="mM">10.0</concentration>
                            <formula>MgCl2</formula>
                            <name>magnesium chloride</name>
                        </component>
                        <component>
                            <concentration units="mM">5.0</concentration>
                            <formula>CaCl2</formula>
                            <name>calcium chloride</name>
                        </component>
                        <component>
                            <concentration units="%">0.01</concentration>
                            <formula>C24H46O11</formula>
                            <name>DDM</name>
                        </component>
                    </buffer>
                    <grid>
                        <model>Quantifoil R2/2</model>
                        <material>COPPER</material>
                        <mesh>400</mesh>
                        <support_film film_type_id="1">
                            <film_material>CARBON</film_material>
                            <film_topology>HOLEY</film_topology>
                            <film_thickness units="nm">2.0</film_thickness>
                        </support_film>
                        <pretreatment>
                            <type>GLOW DISCHARGE</type>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">90</chamber_humidity>
                        <chamber_temperature units="K">293</chamber_temperature>
                        <instrument>FEI VITROBOT MARK III</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>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K2 SUMMIT (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>
                            </digitization_details>
                            <number_real_images>4845</number_real_images>
                            <average_exposure_time units="s">12.0</average_exposure_time>
                            <average_electron_dose_per_image units="e/Å^2">4.3</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>3243</number_selected>
                </particle_selection>
                <ctf_correction>
                    <software_list>
                        <software>
                            <name>CTFFIND</name>
                            <version>4</version>
                            <processing_details>grigoriefflab</processing_details>
                        </software>
                        <software>
                            <name>Scipion</name>
                            <version>1.1</version>
                            <processing_details>xmipp3 - ctf estimation</processing_details>
                        </software>
                    </software_list>
                </ctf_correction>
                <startup_model type_of_model="PDB ENTRY">
                    <pdb_model>
                        <pdb_id>1JB0</pdb_id>
                    </pdb_model>
                </startup_model>
                <final_reconstruction>
                    <applied_symmetry>
                        <point_group>C2</point_group>
                    </applied_symmetry>
                    <resolution res_type="BY AUTHOR" units="Å">4.5</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>Scipion</name>
                            <version>1.2</version>
                            <processing_details>xmipp3 - highres</processing_details>
                        </software>
                    </software_list>
                    <number_images_used>60561</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>OTHER</type>
                    <software_list>
                        <software>
                            <name>Scipion</name>
                            <version>1.1</version>
                            <processing_details>xmipp3 - ransac</processing_details>
                        </software>
                    </software_list>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>OTHER</type>
                </final_angle_assignment>
                <final_three_d_classification>
                    <number_classes>3</number_classes>
                    <average_number_members_per_class>50000.0</average_number_members_per_class>
                    <software_list>
                        <software>
                            <name>Scipion</name>
                            <version>1.1</version>
                            <processing_details>relion - 3D classification</processing_details>
                        </software>
                    </software_list>
                </final_three_d_classification>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="296353">
        <file>emd_4659.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>420</col>
            <row>420</row>
            <sec>420</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>420</x>
            <y>420</y>
            <z>420</z>
        </spacing>
        <cell>
            <a units="Å">466.2</a>
            <b units="Å">466.2</b>
            <c units="Å">466.2</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>-0.021181699</minimum>
            <maximum>0.09771493</maximum>
            <average>0.00013295784</average>
            <std>0.0024011924</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.11</x>
            <y units="Å">1.11</y>
            <z units="Å">1.11</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.02</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-4659::::</label>
        <annotation_details>None</annotation_details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <initial_model>
                    <access_code>1JB0</access_code>
                </initial_model>
                <refinement_protocol>FLEXIBLE FIT</refinement_protocol>
                <refinement_space>REAL</refinement_space>
            </modelling>
        </modelling_list>
        <additional_map_list>
            <additional_map format="CCP4" size_kbytes="296353">
                <file>emd_4659_additional_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>420</col>
                    <row>420</row>
                    <sec>420</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>420</x>
                    <y>420</y>
                    <z>420</z>
                </spacing>
                <cell>
                    <a units="Å">466.2</a>
                    <b units="Å">466.2</b>
                    <c units="Å">466.2</c>
                    <alpha units="deg">90.0</alpha>
                    <beta units="deg">90.0</beta>
                    <gamma units="deg">90.0</gamma>
                </cell>
                <axis_order>
                    <fast>Z</fast>
                    <medium>Y</medium>
                    <slow>X</slow>
                </axis_order>
                <statistics>
                    <minimum>-6.7531905</minimum>
                    <maximum>37.618797</maximum>
                    <average>-4.8554385e-12</average>
                    <std>1.0</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">1.11</x>
                    <y units="Å">1.11</y>
                    <z units="Å">1.11</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-4659::::</label>
                <annotation_details>None</annotation_details>
            </additional_map>
        </additional_map_list>
    </interpretation>
</emd>