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        <key_dates>
            <deposition>2020-09-04</deposition>
            <header_release>2021-02-24</header_release>
            <map_release>2021-02-24</map_release>
            <update>2025-05-14</update>
        </key_dates>
        <title>Human serine palmitoyltransferase complex SPTLC1/SPLTC2/ssSPTa, 3KS-bound</title>
        <authors_list>
            <author>Wang Y</author>
            <author>Niu Y</author>
        </authors_list>
        <keywords>Sphingolipid, MEMBRANE PROTEIN</keywords>
    </admin>
    <crossreferences>
        <citation_list>
            <primary_citation>
                <journal_citation published="true">
                    <author order="1">Wang Y</author>
                    <author order="2">Niu Y</author>
                    <author order="3">Zhang Z</author>
                    <author order="4">Gable K</author>
                    <author order="5">Gupta SD</author>
                    <author order="6">Somashekarappa N</author>
                    <author order="7">Han G</author>
                    <author order="8">Zhao H</author>
                    <author order="9">Myasnikov AG</author>
                    <author order="10">Kalathur RC</author>
                    <author order="11">Dunn TM</author>
                    <author order="12">Lee CH</author>
                    <title>Structural insights into the regulation of human serine palmitoyltransferase complexes.</title>
                    <journal_abbreviation>Nat.Struct.Mol.Biol.</journal_abbreviation>
                    <country>US</country>
                    <volume>28</volume>
                    <first_page>240</first_page>
                    <last_page>248</last_page>
                    <year>2021</year>
                    <external_references type="PUBMED">33558761</external_references>
                    <external_references type="DOI">doi:10.1038/s41594-020-00551-9</external_references>
                    <external_references type="ISSN">1545-9985</external_references>
                </journal_citation>
            </primary_citation>
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                    <in_frame>FULLOVERLAP</in_frame>
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        <name>human serine palmitoyltransferase complexes</name>
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                <parent>0</parent>
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                    </macromolecule>
                    <macromolecule>
                        <macromolecule_id>3</macromolecule_id>
                    </macromolecule>
                </macromolecule_list>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
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            <protein_or_peptide macromolecule_id="1">
                <name>Serine palmitoyltransferase 1</name>
                <natural_source database="NCBI">
                    <organism ncbi="9606">Homo sapiens</organism>
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                <molecular_weight>
                    <theoretical units="MDa">0.052806769999999996</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
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NYNIVSGPPSHKTVVNGKECINFASFNFLGLLDNPRVKAAALASLKKYGVGTCGPRGFYGTFDVHLDLEDRLAKFMKTEE
AIIYSYGFATIASAIPAYSKRGDIVFVDRAACFAIQKGLQASRSDIKLFKHNDMADLERLLKEQEIEDQKNPRKARVTRR
FIVVEGLYMNTGTICPLPELVKLKYKYKARIFLEESLSFGVLGEHGRGVTEHYGINIDDIDLISANMENALASIGGFCCG
RSFVIDHQRLSGQGYCFSASLPPLLAAAAIEALNIMEENPGIFAVLKEKCGQIHKALQGISGLKVVGESLSPAFHLQLEE
STGSREQDVRLLQEIVDQCMNRSIALTQARYLEKEEKCLPPPSIRVVVTVEQTEEELERAASTIKEVAQAVLL</string>
                    <external_references type="UNIPROTKB">O15269</external_references>
                </sequence>
                <ec_number>2.3.1.50</ec_number>
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            <protein_or_peptide macromolecule_id="2">
                <name>Serine palmitoyltransferase 2</name>
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                <molecular_weight>
                    <theoretical units="MDa">0.063232277</theoretical>
                </molecular_weight>
                <number_of_copies>1</number_of_copies>
                <recombinant_expression database="NCBI">
                    <recombinant_organism ncbi="9606">Homo sapiens</recombinant_organism>
                </recombinant_expression>
                <enantiomer>LEVO</enantiomer>
                <sequence>
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LTLFGYLRDFLRYWRIEKCHHATEREEQKDFVSLYQDFENFYTRNLYMRIRDNWNRPICSVPGARVDIMERQSHDYNWSF
KYTGNIIKGVINMGSYNYLGFARNTGSCQEAAAKVLEEYGAGVCSTRQEIGNLDKHEELEELVARFLGVEAAMAYGMGFA
TNSMNIPALVGKGCLILSDELNHASLVLGARLSGATIRIFKHNNMQSLEKLLKDAIVYGQPRTRRPWKKILILVEGIYSM
EGSIVRLPEVIALKKKYKAYLYLDEAHSIGALGPTGRGVVEYFGLDPEDVDVMMGTFT(LLP)SFGASGGYIGGKKELID
YLRTHSHSAVYATSLSPPVVEQIITSMKCIMGQDGTSLGKECVQQLAENTRYFRRRLKEMGFIIYGNEDSPVVPLMLYMP
AKIGAFGREMLKRNIGVVVVGFPATPIIESRARFCLSAAHTKEILDTALKEIDEVGDLLQLKYSRHRLVPLLDRPFDETT
YEETED</string>
                    <external_references type="UNIPROTKB">O15270</external_references>
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                <ec_number>2.3.1.50</ec_number>
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                </molecular_weight>
                <number_of_copies>1</number_of_copies>
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                    <external_references type="UNIPROTKB">Q969W0</external_references>
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                <formula>VSD</formula>
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