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LPXB_XANOM
ID   LPXB_XANOM              Reviewed;         432 AA.
AC   Q2P4B8;
DT   31-OCT-2006, integrated into UniProtKB/Swiss-Prot.
DT   07-FEB-2006, sequence version 1.
DT   25-MAY-2022, entry version 82.
DE   RecName: Full=Lipid-A-disaccharide synthase {ECO:0000255|HAMAP-Rule:MF_00392};
DE            EC=2.4.1.182 {ECO:0000255|HAMAP-Rule:MF_00392};
GN   Name=lpxB {ECO:0000255|HAMAP-Rule:MF_00392}; OrderedLocusNames=XOO1854;
OS   Xanthomonas oryzae pv. oryzae (strain MAFF 311018).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Xanthomonadales;
OC   Xanthomonadaceae; Xanthomonas.
OX   NCBI_TaxID=342109;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MAFF 311018;
RA   Ochiai H., Inoue Y., Takeya M., Sasaki A., Kaku H.;
RT   "Genome sequence of Xanthomonas oryzae pv. oryzae suggests contribution of
RT   large numbers of effector genes and insertion sequences to its race
RT   diversity.";
RL   Jpn. Agric. Res. Q. 39:275-287(2005).
CC   -!- FUNCTION: Condensation of UDP-2,3-diacylglucosamine and 2,3-
CC       diacylglucosamine-1-phosphate to form lipid A disaccharide, a precursor
CC       of lipid A, a phosphorylated glycolipid that anchors the
CC       lipopolysaccharide to the outer membrane of the cell.
CC       {ECO:0000255|HAMAP-Rule:MF_00392}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a lipid X + a UDP-2-N,3-O-bis[(3R)-3-hydroxyacyl]-alpha-D-
CC         glucosamine = a lipid A disaccharide + H(+) + UDP;
CC         Xref=Rhea:RHEA:67828, ChEBI:CHEBI:15378, ChEBI:CHEBI:58223,
CC         ChEBI:CHEBI:137748, ChEBI:CHEBI:176338, ChEBI:CHEBI:176343;
CC         EC=2.4.1.182; Evidence={ECO:0000255|HAMAP-Rule:MF_00392};
CC   -!- PATHWAY: Bacterial outer membrane biogenesis; LPS lipid A biosynthesis.
CC       {ECO:0000255|HAMAP-Rule:MF_00392}.
CC   -!- SIMILARITY: Belongs to the LpxB family. {ECO:0000255|HAMAP-
CC       Rule:MF_00392}.
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DR   EMBL; AP008229; BAE68609.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q2P4B8; -.
DR   SMR; Q2P4B8; -.
DR   CAZy; GT19; Glycosyltransferase Family 19.
DR   KEGG; xom:XOO1854; -.
DR   HOGENOM; CLU_036577_3_0_6; -.
DR   OMA; PTVWAWR; -.
DR   UniPathway; UPA00973; -.
DR   GO; GO:0008915; F:lipid-A-disaccharide synthase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0009245; P:lipid A biosynthetic process; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_00392; LpxB; 1.
DR   InterPro; IPR003835; Glyco_trans_19.
DR   PANTHER; PTHR30372; PTHR30372; 1.
DR   Pfam; PF02684; LpxB; 1.
DR   TIGRFAMs; TIGR00215; lpxB; 1.
PE   3: Inferred from homology;
KW   Glycosyltransferase; Lipid A biosynthesis; Lipid biosynthesis;
KW   Lipid metabolism; Transferase.
FT   CHAIN           1..432
FT                   /note="Lipid-A-disaccharide synthase"
FT                   /id="PRO_0000255235"
FT   REGION          1..35
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   432 AA;  46688 MW;  DD206C883AF08D24 CRC64;
     MTGIGNQTSG IETGVHDRAP ADGEPTALPI SHSPLPIPGA HARPPRFALI AGEASGDILG
     AGLIAQLRLR YPNAEFVGIG GDAMRGAGCQ TWFDASELAV MGLTEVLRHL PRLLKLRSAF
     RERVLAWKPD VFIGIDAPDF NLPVERWLKQ RGIKTVHYVS PSVWAWREKR AEKIAVSADL
     VLCLFPMEPP IYAKHGVDAR FVGHPMADDI AYQADRDAAR ATLGLSASST VLAVLPGSRH
     GEISRLGDTF LQAAWLVCEH IPNLHVLVPA ANAGCKQLLA EQLSRSSLPV MRSHLINGQA
     RTAMLAADVV LLASGTATLE AMLVKRPMVV GYKVAPLTYR IVKLLGLIKV NRYALPNILA
     NDDLAPELMQ DDCMPERLCV ALLDWLKHPA KVAALQPRYL ALHAALRRDA SARAAEAVAG
     LLQGRDWSGA NI
 
 
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