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<entry dataset="Swiss-Prot" created="2002-10-25" modified="2026-09-02" version="132" xmlns="http://uniprot.org/uniprot">
  <accession>Q9V0T9</accession>
  <accession>G8ZJG4</accession>
  <name>GATD_PYRAB</name>
  <protein>
    <recommendedName>
      <fullName evidence="1">Glutamyl-tRNA(Gln) amidotransferase subunit D</fullName>
      <shortName evidence="1">Glu-ADT subunit D</shortName>
      <ecNumber evidence="1">6.3.5.-</ecNumber>
    </recommendedName>
  </protein>
  <gene>
    <name evidence="1" type="primary">gatD</name>
    <name type="ordered locus">PYRAB07000</name>
    <name type="ORF">PAB1901</name>
  </gene>
  <organism>
    <name type="scientific">Pyrococcus abyssi (strain GE5 / Orsay)</name>
    <dbReference type="NCBI Taxonomy" id="272844"/>
    <lineage>
      <taxon>Archaea</taxon>
      <taxon>Methanobacteriati</taxon>
      <taxon>Methanobacteriota</taxon>
      <taxon>Thermococci</taxon>
      <taxon>Thermococcales</taxon>
      <taxon>Thermococcaceae</taxon>
      <taxon>Pyrococcus</taxon>
    </lineage>
  </organism>
  <reference key="1">
    <citation type="journal article" date="2003" name="Mol. Microbiol." volume="47" first="1495" last="1512">
      <title>An integrated analysis of the genome of the hyperthermophilic archaeon Pyrococcus abyssi.</title>
      <authorList>
        <person name="Cohen G.N."/>
        <person name="Barbe V."/>
        <person name="Flament D."/>
        <person name="Galperin M."/>
        <person name="Heilig R."/>
        <person name="Lecompte O."/>
        <person name="Poch O."/>
        <person name="Prieur D."/>
        <person name="Querellou J."/>
        <person name="Ripp R."/>
        <person name="Thierry J.-C."/>
        <person name="Van der Oost J."/>
        <person name="Weissenbach J."/>
        <person name="Zivanovic Y."/>
        <person name="Forterre P."/>
      </authorList>
      <dbReference type="PubMed" id="12622808"/>
      <dbReference type="DOI" id="10.1046/j.1365-2958.2003.03381.x"/>
    </citation>
    <scope>NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]</scope>
    <source>
      <strain>GE5 / Orsay</strain>
    </source>
  </reference>
  <reference key="2">
    <citation type="journal article" date="2012" name="Curr. Microbiol." volume="64" first="118" last="129">
      <title>Re-annotation of two hyperthermophilic archaea Pyrococcus abyssi GE5 and Pyrococcus furiosus DSM 3638.</title>
      <authorList>
        <person name="Gao J."/>
        <person name="Wang J."/>
      </authorList>
      <dbReference type="PubMed" id="22057919"/>
      <dbReference type="DOI" id="10.1007/s00284-011-0035-x"/>
    </citation>
    <scope>GENOME REANNOTATION</scope>
    <source>
      <strain>GE5 / Orsay</strain>
    </source>
  </reference>
  <comment type="function">
    <text evidence="1">Allows the formation of correctly charged Gln-tRNA(Gln) through the transamidation of misacylated Glu-tRNA(Gln) in organisms which lack glutaminyl-tRNA synthetase. The reaction takes place in the presence of glutamine and ATP through an activated gamma-phospho-Glu-tRNA(Gln). The GatDE system is specific for glutamate and does not act on aspartate.</text>
  </comment>
  <comment type="catalytic activity">
    <reaction evidence="1">
      <text>L-glutamyl-tRNA(Gln) + L-glutamine + ATP + H2O = L-glutaminyl-tRNA(Gln) + L-glutamate + ADP + phosphate + H(+)</text>
      <dbReference type="Rhea" id="RHEA:17521"/>
      <dbReference type="Rhea" id="RHEA-COMP:9681"/>
      <dbReference type="Rhea" id="RHEA-COMP:9684"/>
      <dbReference type="ChEBI" id="CHEBI:15377"/>
      <dbReference type="ChEBI" id="CHEBI:15378"/>
      <dbReference type="ChEBI" id="CHEBI:29985"/>
      <dbReference type="ChEBI" id="CHEBI:30616"/>
      <dbReference type="ChEBI" id="CHEBI:43474"/>
      <dbReference type="ChEBI" id="CHEBI:58359"/>
      <dbReference type="ChEBI" id="CHEBI:78520"/>
      <dbReference type="ChEBI" id="CHEBI:78521"/>
      <dbReference type="ChEBI" id="CHEBI:456216"/>
    </reaction>
  </comment>
  <comment type="subunit">
    <text evidence="1">Heterodimer of GatD and GatE.</text>
  </comment>
  <comment type="interaction">
    <interactant intactId="EBI-9023883">
      <id>Q9V0T9</id>
    </interactant>
    <interactant intactId="EBI-9023893">
      <id>Q9V0U0</id>
      <label>gatE</label>
    </interactant>
    <organismsDiffer>false</organismsDiffer>
    <experiments>3</experiments>
  </comment>
  <comment type="similarity">
    <text evidence="1">Belongs to the asparaginase 1 family. GatD subfamily.</text>
  </comment>
  <dbReference type="EC" id="6.3.5.-" evidence="1"/>
  <dbReference type="EMBL" id="AJ248285">
    <property type="protein sequence ID" value="CAB49614.1"/>
    <property type="molecule type" value="Genomic_DNA"/>
  </dbReference>
  <dbReference type="EMBL" id="HE613800">
    <property type="protein sequence ID" value="CCE70091.1"/>
    <property type="molecule type" value="Genomic_DNA"/>
  </dbReference>
  <dbReference type="PIR" id="E75112">
    <property type="entry name" value="E75112"/>
  </dbReference>
  <dbReference type="RefSeq" id="WP_010867819.1">
    <property type="nucleotide sequence ID" value="NC_000868.1"/>
  </dbReference>
  <dbReference type="PDB" id="1ZQ1">
    <property type="method" value="X-ray"/>
    <property type="resolution" value="3.00 A"/>
    <property type="chains" value="A/B=1-438"/>
  </dbReference>
  <dbReference type="PDBsum" id="1ZQ1"/>
  <dbReference type="AlphaFoldDB" id="Q9V0T9"/>
  <dbReference type="SMR" id="Q9V0T9"/>
  <dbReference type="DIP" id="DIP-48453N"/>
  <dbReference type="IntAct" id="Q9V0T9">
    <property type="interactions" value="1"/>
  </dbReference>
  <dbReference type="STRING" id="272844.PAB1901"/>
  <dbReference type="KEGG" id="pab:PAB1901"/>
  <dbReference type="PATRIC" id="fig|272844.11.peg.735"/>
  <dbReference type="eggNOG" id="arCOG01924">
    <property type="taxonomic scope" value="Archaea"/>
  </dbReference>
  <dbReference type="HOGENOM" id="CLU_019134_2_1_2"/>
  <dbReference type="OrthoDB" id="371959at2157"/>
  <dbReference type="PhylomeDB" id="Q9V0T9"/>
  <dbReference type="EvolutionaryTrace" id="Q9V0T9"/>
  <dbReference type="Proteomes" id="UP000000810">
    <property type="component" value="Chromosome"/>
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  <dbReference type="GO" id="GO:0004067">
    <property type="term" value="F:asparaginase activity"/>
    <property type="evidence" value="ECO:0000501"/>
    <property type="project" value="InterPro"/>
  </dbReference>
  <dbReference type="GO" id="GO:0050567">
    <property type="term" value="F:glutaminyl-tRNA synthase (glutamine-hydrolyzing) activity"/>
    <property type="evidence" value="ECO:0000501"/>
    <property type="project" value="UniProtKB-UniRule"/>
  </dbReference>
  <dbReference type="GO" id="GO:0006520">
    <property type="term" value="P:amino acid metabolic process"/>
    <property type="evidence" value="ECO:0000501"/>
    <property type="project" value="InterPro"/>
  </dbReference>
  <dbReference type="GO" id="GO:0006450">
    <property type="term" value="P:regulation of translational fidelity"/>
    <property type="evidence" value="ECO:0000501"/>
    <property type="project" value="InterPro"/>
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    <property type="term" value="P:translation"/>
    <property type="evidence" value="ECO:0000501"/>
    <property type="project" value="UniProtKB-UniRule"/>
  </dbReference>
  <dbReference type="CDD" id="cd08962">
    <property type="entry name" value="GatD"/>
    <property type="match status" value="1"/>
  </dbReference>
  <dbReference type="FunFam" id="3.40.50.1170:FF:000001">
    <property type="entry name" value="L-asparaginase 2"/>
    <property type="match status" value="1"/>
  </dbReference>
  <dbReference type="Gene3D" id="2.30.30.520">
    <property type="match status" value="1"/>
  </dbReference>
  <dbReference type="Gene3D" id="3.40.50.40">
    <property type="match status" value="1"/>
  </dbReference>
  <dbReference type="Gene3D" id="3.40.50.1170">
    <property type="entry name" value="L-asparaginase, N-terminal domain"/>
    <property type="match status" value="1"/>
  </dbReference>
  <dbReference type="HAMAP" id="MF_00586">
    <property type="entry name" value="GatD"/>
    <property type="match status" value="1"/>
  </dbReference>
  <dbReference type="InterPro" id="IPR006033">
    <property type="entry name" value="AsnA_fam"/>
  </dbReference>
  <dbReference type="InterPro" id="IPR036152">
    <property type="entry name" value="Asp/glu_Ase-like_sf"/>
  </dbReference>
  <dbReference type="InterPro" id="IPR006034">
    <property type="entry name" value="Asparaginase/glutaminase-like"/>
  </dbReference>
  <dbReference type="InterPro" id="IPR020827">
    <property type="entry name" value="Asparaginase/glutaminase_AS1"/>
  </dbReference>
  <dbReference type="InterPro" id="IPR027475">
    <property type="entry name" value="Asparaginase/glutaminase_AS2"/>
  </dbReference>
  <dbReference type="InterPro" id="IPR040919">
    <property type="entry name" value="Asparaginase_C"/>
  </dbReference>
  <dbReference type="InterPro" id="IPR011878">
    <property type="entry name" value="GatD"/>
  </dbReference>
  <dbReference type="InterPro" id="IPR040918">
    <property type="entry name" value="GatD_N"/>
  </dbReference>
  <dbReference type="InterPro" id="IPR037222">
    <property type="entry name" value="GatD_N_sf"/>
  </dbReference>
  <dbReference type="InterPro" id="IPR027473">
    <property type="entry name" value="L-asparaginase_C"/>
  </dbReference>
  <dbReference type="InterPro" id="IPR027474">
    <property type="entry name" value="L-asparaginase_N"/>
  </dbReference>
  <dbReference type="InterPro" id="IPR037152">
    <property type="entry name" value="L-asparaginase_N_sf"/>
  </dbReference>
  <dbReference type="NCBIfam" id="TIGR00519">
    <property type="entry name" value="asnASE_I"/>
    <property type="match status" value="1"/>
  </dbReference>
  <dbReference type="NCBIfam" id="TIGR02153">
    <property type="entry name" value="gatD_arch"/>
    <property type="match status" value="1"/>
  </dbReference>
  <dbReference type="NCBIfam" id="NF003217">
    <property type="entry name" value="PRK04183.1"/>
    <property type="match status" value="1"/>
  </dbReference>
  <dbReference type="PANTHER" id="PTHR11707:SF28">
    <property type="entry name" value="60 KDA LYSOPHOSPHOLIPASE"/>
    <property type="match status" value="1"/>
  </dbReference>
  <dbReference type="PANTHER" id="PTHR11707">
    <property type="entry name" value="L-ASPARAGINASE"/>
    <property type="match status" value="1"/>
  </dbReference>
  <dbReference type="Pfam" id="PF00710">
    <property type="entry name" value="Asparaginase"/>
    <property type="match status" value="1"/>
  </dbReference>
  <dbReference type="Pfam" id="PF17763">
    <property type="entry name" value="Asparaginase_C"/>
    <property type="match status" value="1"/>
  </dbReference>
  <dbReference type="Pfam" id="PF18195">
    <property type="entry name" value="GatD_N"/>
    <property type="match status" value="1"/>
  </dbReference>
  <dbReference type="PIRSF" id="PIRSF500175">
    <property type="entry name" value="Glu_ADT_D"/>
    <property type="match status" value="1"/>
  </dbReference>
  <dbReference type="PIRSF" id="PIRSF001220">
    <property type="entry name" value="L-ASNase_gatD"/>
    <property type="match status" value="1"/>
  </dbReference>
  <dbReference type="PRINTS" id="PR00139">
    <property type="entry name" value="ASNGLNASE"/>
  </dbReference>
  <dbReference type="SMART" id="SM00870">
    <property type="entry name" value="Asparaginase"/>
    <property type="match status" value="1"/>
  </dbReference>
  <dbReference type="SUPFAM" id="SSF141300">
    <property type="entry name" value="GatD N-terminal domain-like"/>
    <property type="match status" value="1"/>
  </dbReference>
  <dbReference type="SUPFAM" id="SSF53774">
    <property type="entry name" value="Glutaminase/Asparaginase"/>
    <property type="match status" value="1"/>
  </dbReference>
  <dbReference type="PROSITE" id="PS00144">
    <property type="entry name" value="ASN_GLN_ASE_1"/>
    <property type="match status" value="1"/>
  </dbReference>
  <dbReference type="PROSITE" id="PS00917">
    <property type="entry name" value="ASN_GLN_ASE_2"/>
    <property type="match status" value="1"/>
  </dbReference>
  <dbReference type="PROSITE" id="PS51732">
    <property type="entry name" value="ASN_GLN_ASE_3"/>
    <property type="match status" value="1"/>
  </dbReference>
  <proteinExistence type="evidence at protein level"/>
  <keyword id="KW-0002">3D-structure</keyword>
  <keyword id="KW-0067">ATP-binding</keyword>
  <keyword id="KW-0436">Ligase</keyword>
  <keyword id="KW-0547">Nucleotide-binding</keyword>
  <keyword id="KW-0648">Protein biosynthesis</keyword>
  <keyword id="KW-1185">Reference proteome</keyword>
  <feature type="chain" id="PRO_0000140058" description="Glutamyl-tRNA(Gln) amidotransferase subunit D">
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    </location>
  </feature>
  <feature type="domain" description="Asparaginase/glutaminase" evidence="2">
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      <end position="422"/>
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  </feature>
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<copyright>
Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms Distributed under the Creative Commons Attribution (CC BY 4.0) License
</copyright>
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