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<entry dataset="TrEMBL" created="2008-12-16" modified="2026-11-04" version="85" xmlns="http://uniprot.org/uniprot">
  <accession>B6T9J5</accession>
  <name>B6T9J5_MAIZE</name>
  <protein>
    <submittedName>
      <fullName evidence="10">Beta-1,4-mannosyltransferase</fullName>
    </submittedName>
  </protein>
  <organism evidence="10">
    <name type="scientific">Zea mays</name>
    <name type="common">Maize</name>
    <dbReference type="NCBI Taxonomy" id="4577"/>
    <lineage>
      <taxon>Eukaryota</taxon>
      <taxon>Viridiplantae</taxon>
      <taxon>Streptophyta</taxon>
      <taxon>Embryophyta</taxon>
      <taxon>Tracheophyta</taxon>
      <taxon>Spermatophyta</taxon>
      <taxon>Magnoliopsida</taxon>
      <taxon>Liliopsida</taxon>
      <taxon>Poales</taxon>
      <taxon>Poaceae</taxon>
      <taxon>PACMAD clade</taxon>
      <taxon>Panicoideae</taxon>
      <taxon>Andropogonodae</taxon>
      <taxon>Andropogoneae</taxon>
      <taxon>Tripsacinae</taxon>
      <taxon>Zea</taxon>
    </lineage>
  </organism>
  <reference evidence="10" key="1">
    <citation type="journal article" date="2009" name="Plant Mol. Biol." volume="69" first="179" last="194">
      <title>Insights into corn genes derived from large-scale cDNA sequencing.</title>
      <authorList>
        <person name="Alexandrov N.N."/>
        <person name="Brover V.V."/>
        <person name="Freidin S."/>
        <person name="Troukhan M.E."/>
        <person name="Tatarinova T.V."/>
        <person name="Zhang H."/>
        <person name="Swaller T.J."/>
        <person name="Lu Y.P."/>
        <person name="Bouck J."/>
        <person name="Flavell R.B."/>
        <person name="Feldmann K.A."/>
      </authorList>
      <dbReference type="PubMed" id="18937034"/>
      <dbReference type="DOI" id="10.1007/s11103-008-9415-4"/>
    </citation>
    <scope>NUCLEOTIDE SEQUENCE</scope>
  </reference>
  <comment type="pathway">
    <text evidence="2">Protein modification; protein glycosylation.</text>
  </comment>
  <comment type="subcellular location">
    <subcellularLocation>
      <location evidence="1">Endoplasmic reticulum membrane</location>
      <topology evidence="1">Single-pass membrane protein</topology>
    </subcellularLocation>
  </comment>
  <dbReference type="EMBL" id="EU961660">
    <property type="protein sequence ID" value="ACG33778.1"/>
    <property type="molecule type" value="mRNA"/>
  </dbReference>
  <dbReference type="RefSeq" id="NP_001149006.1">
    <property type="nucleotide sequence ID" value="NM_001155534.2"/>
  </dbReference>
  <dbReference type="RefSeq" id="NP_001399053.1">
    <property type="nucleotide sequence ID" value="NM_001412124.1"/>
  </dbReference>
  <dbReference type="AlphaFoldDB" id="B6T9J5"/>
  <dbReference type="GeneID" id="100282626"/>
  <dbReference type="KEGG" id="zma:100282626"/>
  <dbReference type="HOGENOM" id="CLU_012079_0_0_1"/>
  <dbReference type="OrthoDB" id="614844at2759"/>
  <dbReference type="GO" id="GO:0005789">
    <property type="term" value="C:endoplasmic reticulum membrane"/>
    <property type="evidence" value="ECO:0000501"/>
    <property type="project" value="UniProtKB-SubCell"/>
  </dbReference>
  <dbReference type="GO" id="GO:0000030">
    <property type="term" value="F:mannosyltransferase activity"/>
    <property type="evidence" value="ECO:0000501"/>
    <property type="project" value="InterPro"/>
  </dbReference>
  <dbReference type="FunFam" id="3.40.50.2000:FF:000109">
    <property type="entry name" value="Chitobiosyldiphosphodolichol beta-mannosyltransferase"/>
    <property type="match status" value="1"/>
  </dbReference>
  <dbReference type="FunFam" id="3.40.50.2000:FF:000083">
    <property type="entry name" value="UDP-glycosyltransferase TURAN isoform X1"/>
    <property type="match status" value="1"/>
  </dbReference>
  <dbReference type="Gene3D" id="3.40.50.2000">
    <property type="entry name" value="Glycogen Phosphorylase B"/>
    <property type="match status" value="2"/>
  </dbReference>
  <dbReference type="InterPro" id="IPR026051">
    <property type="entry name" value="ALG1-like"/>
  </dbReference>
  <dbReference type="InterPro" id="IPR028098">
    <property type="entry name" value="Glyco_trans_4-like_N"/>
  </dbReference>
  <dbReference type="PANTHER" id="PTHR13036">
    <property type="entry name" value="BETA1,4 MANNOSYLTRANSFERASE"/>
    <property type="match status" value="1"/>
  </dbReference>
  <dbReference type="PANTHER" id="PTHR13036:SF0">
    <property type="entry name" value="CHITOBIOSYLDIPHOSPHODOLICHOL BETA-MANNOSYLTRANSFERASE"/>
    <property type="match status" value="1"/>
  </dbReference>
  <dbReference type="Pfam" id="PF13692">
    <property type="entry name" value="Glyco_trans_1_4"/>
    <property type="match status" value="1"/>
  </dbReference>
  <dbReference type="Pfam" id="PF13579">
    <property type="entry name" value="Glyco_trans_4_4"/>
    <property type="match status" value="1"/>
  </dbReference>
  <dbReference type="SUPFAM" id="SSF53756">
    <property type="entry name" value="UDP-Glycosyltransferase/glycogen phosphorylase"/>
    <property type="match status" value="2"/>
  </dbReference>
  <proteinExistence type="evidence at transcript level"/>
  <keyword evidence="6" id="KW-0256">Endoplasmic reticulum</keyword>
  <keyword evidence="3 10" id="KW-0328">Glycosyltransferase</keyword>
  <keyword evidence="8" id="KW-0472">Membrane</keyword>
  <keyword evidence="4 10" id="KW-0808">Transferase</keyword>
  <keyword evidence="5" id="KW-0812">Transmembrane</keyword>
  <keyword evidence="7" id="KW-1133">Transmembrane helix</keyword>
  <feature type="domain" description="Glycosyltransferase subfamily 4-like N-terminal" evidence="9">
    <location>
      <begin position="35"/>
      <end position="189"/>
    </location>
  </feature>
  <evidence type="ECO:0000256" key="1">
    <source>
      <dbReference type="ARBA" id="ARBA00004389"/>
    </source>
  </evidence>
  <evidence type="ECO:0000256" key="2">
    <source>
      <dbReference type="ARBA" id="ARBA00004922"/>
    </source>
  </evidence>
  <evidence type="ECO:0000256" key="3">
    <source>
      <dbReference type="ARBA" id="ARBA00022676"/>
    </source>
  </evidence>
  <evidence type="ECO:0000256" key="4">
    <source>
      <dbReference type="ARBA" id="ARBA00022679"/>
    </source>
  </evidence>
  <evidence type="ECO:0000256" key="5">
    <source>
      <dbReference type="ARBA" id="ARBA00022692"/>
    </source>
  </evidence>
  <evidence type="ECO:0000256" key="6">
    <source>
      <dbReference type="ARBA" id="ARBA00022824"/>
    </source>
  </evidence>
  <evidence type="ECO:0000256" key="7">
    <source>
      <dbReference type="ARBA" id="ARBA00022989"/>
    </source>
  </evidence>
  <evidence type="ECO:0000256" key="8">
    <source>
      <dbReference type="ARBA" id="ARBA00023136"/>
    </source>
  </evidence>
  <evidence type="ECO:0000259" key="9">
    <source>
      <dbReference type="Pfam" id="PF13579"/>
    </source>
  </evidence>
  <evidence type="ECO:0000313" key="10">
    <source>
      <dbReference type="EMBL" id="ACG33778.1"/>
    </source>
  </evidence>
  <sequence length="468" mass="51934" checksum="2EC7F153E440D5C3" modified="2008-12-16" version="1">MATERRRASVVVLGDIGRSPRMQYHSLSLANQASMEVDIVANGGSDPHLSLRENPSIHIHEMKTVQLTGISKISGALSLLLKAAVQFILLVWFLCFKIPRPDVFFVQNPPSVPTLAAVKLASWLRGAKFIVDWHNFGYTLLGLSHGRSHIIVKIYFWFEKYFGQMADGAFCVTKAMQHELAQNWGIRATVLYDQSPDFFHPASLMEKHGLFSRLGNSMCSAMGNADCISVEEVGEDMNTTAFTSKIDGQVFLKPNRPALVVSSTSWTPDEDFSILLEAALMYDRRVAAALGEDDSMDEGQLWIDIKNGKQFVYPRLLFIITGKGPDRKKYEDQIKRLKLRRVALRTMWLASEDYPLLLGSADLGVSLHTSSSGLDLPMKVVDMFGCGLPVCAASFSCIEELVKVNKNGLLFSTSSELADELMMLFKGFPEECNALKSLKEGAMKSASSSKWSTEWETNALPLVDQVIG</sequence>
</entry>
<copyright>
Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms Distributed under the Creative Commons Attribution (CC BY 4.0) License
</copyright>
</uniprot>