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    <admin>
        <current_status>
            <date>2024-11-20</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2021-01-20</deposition>
            <header_release>2021-08-18</header_release>
            <map_release>2021-08-18</map_release>
            <update>2024-11-20</update>
        </key_dates>
        <title>Cyanophycin synthetase 1 from Synechocystis sp. UTEX2470 with ADPCP and 8x(Asp-Arg)-NH2</title>
        <authors_list>
            <author>Sharon I</author>
            <author>Grogg M</author>
        </authors_list>
        <keywords>Cyanophycin, CphA, ATP-grasp, enzyme, LIGASE</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Sharon I</author>
                    <author order="2">Haque AS</author>
                    <author order="3">Grogg M</author>
                    <author order="4">Lahiri I</author>
                    <author order="5">Seebach D</author>
                    <author order="6">Leschziner AE</author>
                    <author order="7">Hilvert D</author>
                    <author order="8">Schmeing TM</author>
                    <title>Structures and function of the amino acid polymerase cyanophycin synthetase.</title>
                    <journal_abbreviation>Nat.Chem.Biol.</journal_abbreviation>
                    <country>US</country>
                    <volume>17</volume>
                    <first_page>1101</first_page>
                    <last_page>1110</last_page>
                    <year>2021</year>
                    <external_references type="PUBMED">34385683</external_references>
                    <external_references type="DOI">doi:10.1038/s41589-021-00854-y</external_references>
                    <external_references type="ISSN">1552-4469</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>7lgj</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Cyanophycin synthetase 1 from Synechocystis sp. UTEX2470 with ADPCP and 8x(Asp-Arg)-NH2</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Cyanophycin synthetase 1 from Synechocystis sp. UTEX2470 with ADPCP and 8x(Asp-Arg)-NH2</name>
                <parent>0</parent>
                <macromolecule_list>
                    <macromolecule>
                        <macromolecule_id>1</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>2</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="1147">Synechocystis sp. PCC 6714</organism>
                </natural_source>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <protein_or_peptide macromolecule_id="1">
                <name>Cyanophycin synthase</name>
                <natural_source database="NCBI">
                    <organism ncbi="1147">Synechocystis sp. (strain PCC 6714)</organism>
                    <strain>PCC 6714</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.09575883599999999</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="469008">Escherichia coli BL21(DE3)</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MKILKTLTLRGPNYWSIRRKKLIVMRLDLEDLAERPSNSIPGFYEGLIKVLPSLVEHFCSPGYQGGFLERVKEGTYMGHI
VEHVALELQELVGMTAGFGRTRETSTPGVYNVVYEYVDEQAGRYAGRAAVRLCRSLVDTGDYPRLELEKDLEDLRDLGAN
SALGPSTETIVTEAEARKIPWMLLSARAMVQLGYGVYQQRIQATLSSHSGILGVELACDKEGTKTILQDAGIPVPRGTTI
QYFDDLEEAINDVGGYPVVIKPLDGNHGRGITINVRHWQEAIAAYDLAAEESKSRAIIVERYYEGSDHRVLVVNGKLVAV
AERIPAHVTGDGSSTISELIEKTNQDPNRGDGHDNILTKIVVNKTAIDVMERQGYNLDSVLPKDEVVYLRATANLSTGGI
AIDRTDDIHPENIWLMERVAKVIGLDIAGIDVVTSDISKPLRETNGVIVEVNAAPGFRMHVAPSQGLPRNVAAPVLDMLF
PPGTPSRIPILAVTGTNGKTTTTRLLAHIYRQTGKTVGYTSTDAIYINEYCVEKGDNTGPQSAGVILRDPTVEVAVLETA
RGGILRAGLAFDSCDVGVVLNVAADHLGLGDIDTIEQMAKVKSVIAEVVDPSGYAVLNADDPLVAAMADKVKAKVAYFSM
NPDNPIIQAHVRRNGIAAVYESGYLSILEGSWTLRVEQAKLIPMTMGGMAPFMIANALAACLAAFVNGLDVEVIRQGVRT
FTTSAEQTPGRMNLFNLGQHHALVDYAHNPAGYRAVGDFVKNWQGQRFGVVGGPGDRRDSDLIELGQIAAQVFDRIIVKE
DDDKRGRSEGETADLIVKGILQENPGASYEVILDETIALNKALDQVEEKGLVVVFPESVTRAIDLIKVRNPIGENLYFQ</string>
                    <external_references type="UNIPROTKB">A0A068N621</external_references>
                </sequence>
                <ec_number>6.3.2.29</ec_number>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="2">
                <name>8x(Asp-Arg)-NH2</name>
                <natural_source database="NCBI">
                    <organism ncbi="32630">synthetic construct</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.0021862049999999997</theoretical>
                </molecular_weight>
                <number_of_copies>4</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>(7ID)(7ID)(7ID)(7ID)(7ID)(7ID)(7ID)(7ID)(NH2)</string>
                </sequence>
            </protein_or_peptide>
            <ligand macromolecule_id="3">
                <name>MAGNESIUM ION</name>
                <molecular_weight>
                    <theoretical units="MDa">2.4305e-05</theoretical>
                </molecular_weight>
                <number_of_copies>12</number_of_copies>
                <formula>MG</formula>
            </ligand>
            <ligand macromolecule_id="4">
                <name>PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTER</name>
                <molecular_weight>
                    <theoretical units="MDa">0.000505208</theoretical>
                </molecular_weight>
                <number_of_copies>8</number_of_copies>
                <formula>ACP</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">3</concentration>
                    <buffer>
                        <ph>8.0</ph>
                    </buffer>
                    <grid>
                        <model>C-flat-1.2/1.3</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">20</time>
                            <atmosphere>AIR</atmosphere>
                        </pretreatment>
                    </grid>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                        <chamber_humidity units="percentage">90</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>OTHER</illumination_mode>
                    <imaging_mode>OTHER</imaging_mode>
                    <electron_source>FIELD EMISSION GUN</electron_source>
                    <acceleration_voltage units="kV">300</acceleration_voltage>
                    <image_recording_list>
                        <image_recording image_recording_id="1">
                            <film_or_detector_model>GATAN K3 BIOQUANTUM (6k x 4k)</film_or_detector_model>
                            <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>
                <startup_model type_of_model="INSILICO MODEL"/>
                <final_reconstruction>
                    <applied_symmetry>
                        <point_group>D2</point_group>
                    </applied_symmetry>
                    <resolution units="Å" res_type="BY AUTHOR">2.6</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                        </software>
                    </software_list>
                    <number_images_used>368761</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>OTHER</type>
                </final_angle_assignment>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="256001">
        <file>emd_23325.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>400</col>
            <row>400</row>
            <sec>400</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>400</x>
            <y>400</y>
            <z>400</z>
        </spacing>
        <cell>
            <a units="Å">342.0</a>
            <b units="Å">342.0</b>
            <c units="Å">342.0</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>-3.6000512</minimum>
            <maximum>6.421464</maximum>
            <average>0.0048238733</average>
            <std>0.13389044</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">0.855</x>
            <y units="Å">0.855</y>
            <z units="Å">0.855</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.68</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-23325::::</label>
        <annotation_details>Synechocystis sp. UTEX2470 cyanophycin synthetase 1 with ADPCP and 8x(Asp-Arg)-NH2 map</annotation_details>
    </map>
    <interpretation>
        <segmentation_list>
            <segmentation>
                <file>emd_23325_msk_1.map</file>
            </segmentation>
        </segmentation_list>
        <half_map_list>
            <half_map format="CCP4" size_kbytes="256001">
                <file>emd_23325_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>400</col>
                    <row>400</row>
                    <sec>400</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>400</x>
                    <y>400</y>
                    <z>400</z>
                </spacing>
                <cell>
                    <a units="Å">342.0</a>
                    <b units="Å">342.0</b>
                    <c units="Å">342.0</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>-0.63989085</minimum>
                    <maximum>1.7451522</maximum>
                    <average>0.0032675213</average>
                    <std>0.08147485</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">0.855</x>
                    <y units="Å">0.855</y>
                    <z units="Å">0.855</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-23325::::</label>
                <annotation_details>Synechocystis sp. UTEX2470 cyanophycin synthetase 1 with ADPCP and 8x(Asp-Arg)-NH2 half map A</annotation_details>
            </half_map>
            <half_map format="CCP4" size_kbytes="256001">
                <file>emd_23325_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>400</col>
                    <row>400</row>
                    <sec>400</sec>
                </dimensions>
                <origin>
                    <col>0</col>
                    <row>0</row>
                    <sec>0</sec>
                </origin>
                <spacing>
                    <x>400</x>
                    <y>400</y>
                    <z>400</z>
                </spacing>
                <cell>
                    <a units="Å">342.0</a>
                    <b units="Å">342.0</b>
                    <c units="Å">342.0</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>-0.5984842</minimum>
                    <maximum>1.7692047</maximum>
                    <average>0.0032691306</average>
                    <std>0.08149549</std>
                </statistics>
                <pixel_spacing>
                    <x units="Å">0.855</x>
                    <y units="Å">0.855</y>
                    <z units="Å">0.855</z>
                </pixel_spacing>
                <contour_list>
                    <contour primary="true">
                        <source>AUTHOR</source>
                    </contour>
                </contour_list>
                <label>::::EMDATABANK.org::::EMD-23325::::</label>
                <annotation_details>Synechocystis sp. UTEX2470 cyanophycin synthetase 1 with ADPCP and 8x(Asp-Arg)-NH2 half map B</annotation_details>
            </half_map>
        </half_map_list>
    </interpretation>
</emd>
