<?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_3/emdb.xsd" version="3.0.9.3" emdb_id="EMD-21034">
    <admin>
        <current_status>
            <date>2024-10-16</date>
            <code>REL</code>
            <processing_site>RCSB</processing_site>
        </current_status>
        <sites>
            <deposition>RCSB</deposition>
            <last_processing>RCSB</last_processing>
        </sites>
        <key_dates>
            <deposition>2019-11-25</deposition>
            <header_release>2020-01-01</header_release>
            <map_release>2020-02-05</map_release>
            <update>2024-10-16</update>
        </key_dates>
        <grant_support>
            <grant_reference>
                <funding_body>National Institutes of Health/National Human Genome Research Institute (NIH/NHGRI)</funding_body>
                <country>United States</country>
            </grant_reference>
        </grant_support>
        <title>Cryo-EM structure of the Acinetobacter baumannii Ribosome: 30S subunit</title>
        <authors_list>
            <author>Morgan CE</author>
            <author>Yu EW</author>
        </authors_list>
        <keywords>Ribosome, Acinetobacter baumannii</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Morgan CE</author>
                    <author order="2">Huang W</author>
                    <author order="3">Rudin SD</author>
                    <author order="4">Taylor DJ</author>
                    <author order="5">Kirby JE</author>
                    <author order="6">Bonomo RA</author>
                    <author ORCID="0000-0001-5912-1227" order="7">Yu EW</author>
                    <title>Cryo-electron Microscopy Structure of the Acinetobacter baumannii 70S Ribosome and Implications for New Antibiotic Development.</title>
                    <journal_abbreviation>Mbio</journal_abbreviation>
                    <country>US</country>
                    <volume>11</volume>
                    <year>2020</year>
                    <external_references type="PUBMED">31964740</external_references>
                    <external_references type="DOI">doi:10.1128/mBio.03117-19</external_references>
                    <external_references type="ISSN">2150-7511</external_references>
                </journal_citation>
            </primary_citation>
        </citation_list>
        <pdb_list>
            <pdb_reference>
                <pdb_id>6v3e</pdb_id>
                <relationship>
                    <in_frame>FULLOVERLAP</in_frame>
                </relationship>
            </pdb_reference>
        </pdb_list>
    </crossreferences>
    <sample>
        <name>Acinetobacter baumannii Small ribosomal subunit</name>
        <supramolecule_list>
            <complex_supramolecule supramolecule_id="1">
                <name>Acinetobacter baumannii Small ribosomal subunit</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>
                        <macromolecule_id>12</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>13</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>14</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>15</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>16</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>17</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>18</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>19</macromolecule_id>
                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>20</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="480119">Acinetobacter baumannii AB0057</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">2.3</theoretical>
                </molecular_weight>
            </complex_supramolecule>
        </supramolecule_list>
        <macromolecule_list>
            <rna macromolecule_id="1">
                <name>16s Ribosomal RNA</name>
                <natural_source database="NCBI">
                    <organism ncbi="470">Acinetobacter baumannii</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.500297531</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <sequence>
                    <string>UUUAACUGAAGAGUUUGAUCAUGGCUCAGAUUGAACGCUGGCGGCAGGCUUAACACAUGCAAGUCGAGCGGGGGAAGGUA
GCUUGCUACCGGACCUAGCGGCGGACGGGUGAGUAAUGCUUAGGAAUCUGCCUAUUAGUGGGGGACAACAUCUCGAAAGG
GAUGCUAAUACCGCAUACGUCCUACGGGAGAAAGCAGGGGAUCUUCGGACCUUGCGCUAAUAGAUGAGCCUAAGUCGGAU
UAGCUAGUUGGUGGGGUAAAGGCCUACCAAGGCGACGAUCUGUAGCGGGUCUGAGAGGAUGAUCCGCCACACUGGGACUG
AGACACGGCCCAGACUCCUACGGGAGGCAGCAGUGGGGAAUAUUGGACAAUGGGGGGAACCCUGAUCCAGCCAUGCCGCG
UGUGUGAAGAAGGCCUUAUGGUUGUAAAGCACUUUAAGCGAGGAGGAGGCUACUCUAGUUAAUACCUAGGGAUAGUGGAC
GUUACUCGCAGAAUAAGCACCGGCUAACUCUG(PSU)GCCAGCAGCC(7MG)CGGUAAUACAGAGGGUGCGAGCGUUAAU
CGGAUUUACUGGGCGUAAAGCGUGCGUAGGCGGCUUAUUAAGUCGGAUGUGAAAUCCCCGAGCUUAACUUGGGAAUUGCA
UUCGAUACUGGUGAGCUAGAGUAUGGGAGAGGAUGGUAGAAUUCCAGGUGUAGCGGUGAAAUGCGUAGAGAUCUGGAGGA
AUACCGAUGGCGAAGGCAGCCAUCUGGCCUAAUACUGACGCUGAGGUACGAAAGCAUGGGGAGCAAACAGGAUUAGAUAC
CCUGGUAGUCCAUGCCGUAAACGAUGUCUACUAGCCGUUGGGGCCUUUGAGGCUUUAGUGGCGCAGCUAACGCGAUAAGU
AGACCGCCUGGGGAGUACGGUCGCAAGACUAAAACUCAAAUGAAUUGACGGGGGCCCGCACAAGCGGUGGAGCAUGUGGU
UUAAUUCGAU(2MG)(5MC)AACGCGAAGAACCUUACCUGGCCUUGACAUACUAGAAACUUUCCAGAGAUGGAUUGGUGC
CUUCGGGAAUCUAGAUACAGGUGCUGCAUGGCUGUCGUCAGCUCGUGUCGUGAGAUGUUGGGUUAAGUCCCGCAACGAGC
GCAACCCUUUUCCUUACUUGCCAGCAUUUCGGAUGGGAACUUUAAGGAUACUGCCAGUGACAAACUGGAGGAAGGCGGGG
ACGACGUCAAGUCAUCAUG(2MG)CCCUUACGGCCAGGGCUACACACGUGCUACAAUGGUCGGUACAAAGGGUUGCUACA
CAGCGAUGUGAUGCUAAUCUCAAAAAGCCGAUCGUAGUCCGGAUUGGAGUCUGCAACUCGACUCCAUGAAGUCGGAAUCG
CUAGUAAUCGCGGAUCAGAAUGCCGCGGUGAAUACGUUCCCGGGCCUUGUACACACCG(4OC)CCGUCACACCAUGGGAG
UUUGUUGCACCAGAAGUAGCUAGCCUAACUGCAAAGAGGGCGGUUACCACGGUGUGGCCGAUGACUGGGGUGAAGUCG
(UR3)AACAAGGUAGCCGUAGGGG(MA6)(MA6)CCUGCGGCUGGAUCACCUCCUUAACGAA</string>
                    <external_references type="GENBANK">CP044356.1</external_references>
                </sequence>
            </rna>
            <protein_or_peptide macromolecule_id="2">
                <name>30S ribosomal protein S2</name>
                <natural_source database="NCBI">
                    <organism ncbi="470">Acinetobacter baumannii</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.027680357</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MADYNVSMRDLLQAGAHFGHQTRFWNPKMRQYIFGARNKIHIINLEHTVPALNDALNFANQLASKKNKVLFVGTKRAASN
IIREQAQRAGQPYVDHRWLGGMLTNWKTLRQSINRLKDLQTQSQDGTFAKLTKREALERTREMEKLERSLGGVKNMGGLP
DALFVIDVDHEAIAIKEAKNLGIPVIGIVDTNSNPDNVDYVIPGNDDAIRAVTLYASAMADAILAGKEYAQSQANAQAKG
DDAAKDASEA</string>
                    <external_references type="UNIPROTKB">V5VBC2</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="3">
                <name>30S ribosomal protein S3</name>
                <natural_source database="NCBI">
                    <organism ncbi="470">Acinetobacter baumannii</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.027972460999999997</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MGQKVHPIGIRLGVVKRHNANWYANPKQYAEYLLKDLQVREFLTKKLKNAMVSNILIERPSGAAKVTISTARPGIVIGKK
GEDIEKLQRELTNIMGVPAQVSINEIDRPDLDARLVAEAIASQLEKRVMFRRAMKRAVQNTMRAGAKGIKVEVSGRLGGA
EIARTEWYREGRVPLHTLRADIDYATMRAETTYGTIGVKVWIFRGEILGGMKQVMNPAPAEERPAKRGRGRGEGQERRGR
RGDRAADKGE</string>
                    <external_references type="UNIPROTKB">V5V9N0</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="4">
                <name>30S ribosomal protein S4</name>
                <natural_source database="NCBI">
                    <organism ncbi="480119">Acinetobacter baumannii (strain AB0057)</organism>
                    <strain>AB0057</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.023311817999999998</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MARYIGPKCKLSRREGTDLQLKSGVKPFDVKTKKANKAPGQHGQARGGKQSEYSLQLREKQKVRRIYGVLERQFSNYYKE
AARVKGATGENLLKLLESRLDNVVYRMGFGSTRAEARQLVSHRSITLNGRRVNIASIQVKAGDVIAVHEGAKQQLRIKNA
IELAAQRGIPAWIEVDHSKLEGTFKAAPDRSDLPAEINESLIVELYSK</string>
                    <external_references type="UNIPROTKB">B7IA15</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="5">
                <name>30S ribosomal protein S5</name>
                <natural_source database="NCBI">
                    <organism ncbi="480119">Acinetobacter baumannii (strain AB0057)</organism>
                    <strain>AB0057</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.017181765999999998</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MAKVEQNEGLVEKLVAVDRVAKVVKGGRIFSFTALTVVGDGNGRVGFGRGKAREVPAAISKALEAARRNMITVDLAGTTL
QHPVNARHGASRVYMQPASEGTGVIAGGAMRAVLEAAGVHNVLAKCYGSTNAANVVNATFKGLRDMTSPEKVAAKRGKSV
EEIQG</string>
                    <external_references type="UNIPROTKB">B7IA22</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="6">
                <name>30S ribosomal protein S6</name>
                <natural_source database="NCBI">
                    <organism ncbi="480119">Acinetobacter baumannii (strain AB0057)</organism>
                    <strain>AB0057</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.014986951999999998</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MRHYEIVLLVHPDQSDQVVGMVERYISQIKEADGQIHRLEDWGRRQLAYPINKIHKAHYILMNVECGQSTLDELEELFRY
NDAIIRNLIIRREHAITEESLLAKSAEEKRARKAQREEAQQVAQEAE</string>
                    <external_references type="UNIPROTKB">B7IBC1</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="7">
                <name>30S ribosomal protein S7</name>
                <natural_source database="NCBI">
                    <organism ncbi="480119">Acinetobacter baumannii (strain AB0057)</organism>
                    <strain>AB0057</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.017733699</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MPRRRVVAAREILPDPKFSSQTIAKFMNHVMQDGKKSIAESIVYGALERVQEKNKVDPVEFFETTLEKVRPMVEVKARRV
GGATYQVPMEVRPSRRTALAMRWLVDAAAKRSEKTMALRLAGELLDAAEGKGAAIKKREDVHRMAEANKAFSHYRF</string>
                    <external_references type="UNIPROTKB">B7I7S0</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="8">
                <name>30S ribosomal protein S8</name>
                <natural_source database="NCBI">
                    <organism ncbi="480119">Acinetobacter baumannii (strain AB0057)</organism>
                    <strain>AB0057</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.014250666999999998</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MSMQDTVADMLTRVRNAQMAKKQTVSMPSSKLKVAIANVLQQEGYISNVEVAQEETKSTLTITLKYFEGKPVIEMVKRVS
RPGLRQYRGKDKLPSVKQGLGIAIVSTSKGIMTDRAARAAGIGGEVIAFVS</string>
                    <external_references type="UNIPROTKB">B7IA25</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="9">
                <name>30S ribosomal protein S9</name>
                <natural_source database="NCBI">
                    <organism ncbi="470">Acinetobacter baumannii</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.01428761</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MATNYGTGRRKTATARVFLSAGTGKLVINNRTLEQYFGRETARMVVRQPLELLEATEKYDLYITVKGGGIGGQAGAIRHG
ITRALIAADETLKPVLRQAGFVTRDAREVERKKLGLRKARKRPQFSKR</string>
                    <external_references type="UNIPROTKB">V5VBA5</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="10">
                <name>30S ribosomal protein S10</name>
                <natural_source database="NCBI">
                    <organism ncbi="1960940">Acinetobacter sp. ANC 5600</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.011718531</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MSNQRIRIRLKSFDHRLIDQSAQEIVETAKRTGAQVCGPIPMPTRIERFNVLTSPHVNKDARDQYEIRTYKRLIDIVQPT
DKTVDALMKLDLAAGVDVQIALG</string>
                    <external_references type="UNIPROTKB">A0A1T1GZ10</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="11">
                <name>30S ribosomal protein S11</name>
                <natural_source database="NCBI">
                    <organism ncbi="1310678">Acinetobacter sp. 263903-1</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.013558512</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MAKDTRTRKKVTRTVSEGVAHIHASFNNTIVTITDRQGNALAWATSGGQGFRGSRKSTPFAAQVAAEVAGKAALDYGLKN
LDVLVKGPGPGRESAVRALGAVGYKINSITDVTPIPHNGCRPPKKRRV</string>
                    <external_references type="UNIPROTKB">A0A062C259</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="12">
                <name>30S ribosomal protein S12</name>
                <natural_source database="NCBI">
                    <organism ncbi="480119">Acinetobacter baumannii (strain AB0057)</organism>
                    <strain>AB0057</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.013797133999999999</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MATTNQLIRKGRTTLVEKSKVPALKACPQRRGVCTRVYTTTPKKPNSAMRKVCRVRLTSGFEVSSYIGGEGHNLQEHSVV
LIRGGRVKDLPGVRYHTVRGSLDCAGVKDRNQSRSKYGAKRPKK</string>
                    <external_references type="UNIPROTKB">B7I7R9</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="13">
                <name>30S ribosomal protein S13</name>
                <natural_source database="NCBI">
                    <organism ncbi="480119">Acinetobacter baumannii (strain AB0057)</organism>
                    <strain>AB0057</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.013295635</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MARIAGVNIPDNKHAVISLTYIFGIGRHTAKNILAAVGITETTKIRELDDAQLDAIRAEVAKVPTEGDLRREISMNIKRL
MDLGCYRGLRHRRSLPVRGQRTKTNARTRKGPRKPIKK</string>
                    <external_references type="UNIPROTKB">B7IA17</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="14">
                <name>30S ribosomal protein S14</name>
                <natural_source database="NCBI">
                    <organism ncbi="480119">Acinetobacter baumannii (strain AB0057)</organism>
                    <strain>AB0057</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.011438427</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MAKKGMINRELKREKTVAKYAAKRAELKATIANVNASDEERFEAMLKLQALPRNASPVRLRNRCGLTGRPHGYFRKFGLS
RNKLRDTVMQGDVPGVVKASW</string>
                    <external_references type="UNIPROTKB">B7IA26</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="15">
                <name>30S ribosomal protein S15</name>
                <natural_source database="NCBI">
                    <organism ncbi="480119">Acinetobacter baumannii (strain AB0057)</organism>
                    <strain>AB0057</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.0101456</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MALTNADRAEIIAKFARAENDTGSPEVQVALLTAQINDLQGHFKAHKHDHHSRRGLIRMVNQRRKLLDYLNGKDHERYTA
LIGALGLRR</string>
                    <external_references type="UNIPROTKB">B7I3U0</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="16">
                <name>30S ribosomal protein S16</name>
                <natural_source database="NCBI">
                    <organism ncbi="470">Acinetobacter baumannii</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.011223059999999998</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MLPMVGAGIIRKNYKAFIMVVIRLARGGAKKRPFYQIVVTDSRNARDGRFIERIGFFNPTAQGQAEKLRLDADRFAHWVS
QGAQPSERVASLAAQAKKATA</string>
                    <external_references type="UNIPROTKB">A0A1V3DIZ9</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="17">
                <name>30S ribosomal protein S17</name>
                <natural_source database="NCBI">
                    <organism ncbi="480119">Acinetobacter baumannii (strain AB0057)</organism>
                    <strain>AB0057</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.009543101</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MSEKTVRTLTGKVVSDKMDKSIVVLIERRVQHPLYGKSIRRSTKLHAHDENNVAKIGDVVTIKESRPISKTKAWTLVEVV
EAAAE</string>
                    <external_references type="UNIPROTKB">B7IA30</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="18">
                <name>30S ribosomal protein S18</name>
                <natural_source database="NCBI">
                    <organism ncbi="52133">Acinetobacter venetianus</organism>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.009009452</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MARFYRRRKFCRFTAENVAYIDYKDIDTLKQYITENGKIVPSRITGTKARYQRQLALAIKQARYLSLIPYTDNHK</string>
                    <external_references type="UNIPROTKB">A0A150HZL5</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="19">
                <name>30S ribosomal protein S19</name>
                <natural_source database="NCBI">
                    <organism ncbi="480119">Acinetobacter baumannii (strain AB0057)</organism>
                    <strain>AB0057</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.010206957</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MPRSLKKGPFVDAHLFAKVEAAVASNSRKPIKTWSRRSMILPDFVGLTISVHNGRNHVPVIVTEHMVGHKLGEFAPTRTY
RGHGVDKKSKR</string>
                    <external_references type="UNIPROTKB">B7IA35</external_references>
                </sequence>
            </protein_or_peptide>
            <protein_or_peptide macromolecule_id="20">
                <name>30S ribosomal protein S20</name>
                <natural_source database="NCBI">
                    <organism ncbi="480119">Acinetobacter baumannii (strain AB0057)</organism>
                    <strain>AB0057</strain>
                </natural_source>
                <molecular_weight>
                    <theoretical units="MDa">0.00972342</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <enantiomer>LEVO</enantiomer>
                <sequence>
                    <string>MANSAQAKKRARQNVKARKHNASLRSMVRTYIKRTLSAIAGGDYAVATEAYKKAVPVIDRMADKGIIHKNKAARHKSRLN
AQVKALAN</string>
                    <external_references type="UNIPROTKB">B7I5N9</external_references>
                </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">
                    <buffer>
                        <ph>7.6</ph>
                    </buffer>
                    <vitrification>
                        <cryogen_name>ETHANE</cryogen_name>
                    </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>
                    <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>SUPER-RESOLUTION</detector_mode>
                            <average_electron_dose_per_image units="e/Å^2">40.0</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="NONE"/>
                <final_reconstruction>
                    <resolution units="Å" res_type="BY AUTHOR">4.4</resolution>
                    <resolution_method>FSC 0.143 CUT-OFF</resolution_method>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                        </software>
                    </software_list>
                    <number_images_used>10555</number_images_used>
                </final_reconstruction>
                <initial_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                        </software>
                    </software_list>
                </initial_angle_assignment>
                <final_angle_assignment>
                    <type>MAXIMUM LIKELIHOOD</type>
                    <software_list>
                        <software>
                            <name>cryoSPARC</name>
                        </software>
                    </software_list>
                </final_angle_assignment>
                <final_three_d_classification>
                    <software_list>
                        <software>
                            <name>RELION</name>
                            <processing_details>Focused classification</processing_details>
                        </software>
                    </software_list>
                </final_three_d_classification>
            </singleparticle_processing>
        </structure_determination>
    </structure_determination_list>
    <map format="CCP4" size_kbytes="536871">
        <file>emd_21034.map.gz</file>
        <symmetry>
            <space_group>1</space_group>
        </symmetry>
        <data_type>IMAGE STORED AS FLOATING POINT NUMBER (4 BYTES)</data_type>
        <dimensions>
            <col>512</col>
            <row>512</row>
            <sec>512</sec>
        </dimensions>
        <origin>
            <col>0</col>
            <row>0</row>
            <sec>0</sec>
        </origin>
        <spacing>
            <x>512</x>
            <y>512</y>
            <z>512</z>
        </spacing>
        <cell>
            <a units="Å">544.768</a>
            <b units="Å">544.768</b>
            <c units="Å">544.768</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>-0.32376146</minimum>
            <maximum>1.7774217</maximum>
            <average>0.0023092674</average>
            <std>0.032587904</std>
        </statistics>
        <pixel_spacing>
            <x units="Å">1.064</x>
            <y units="Å">1.064</y>
            <z units="Å">1.064</z>
        </pixel_spacing>
        <contour_list>
            <contour primary="true">
                <level>0.25</level>
                <source>AUTHOR</source>
            </contour>
        </contour_list>
        <label>::::EMDATABANK.org::::EMD-21034::::</label>
        <annotation_details>30S composite map created with two separate masked refinements (30S head and 30S core).</annotation_details>
    </map>
    <interpretation>
        <modelling_list>
            <modelling>
                <initial_model>
                    <access_code>5AFI</access_code>
                    <chain>
                        <source_name>PDB</source_name>
                        <initial_model_type>experimental model</initial_model_type>
                    </chain>
                </initial_model>
            </modelling>
        </modelling_list>
    </interpretation>
</emd>
