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LPXB_XYLFA
ID   LPXB_XYLFA              Reviewed;         385 AA.
AC   Q9PEI6;
DT   01-JUN-2001, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2000, sequence version 1.
DT   25-MAY-2022, entry version 96.
DE   RecName: Full=Lipid-A-disaccharide synthase;
DE            EC=2.4.1.182;
GN   Name=lpxB; OrderedLocusNames=XF_1042;
OS   Xylella fastidiosa (strain 9a5c).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Xanthomonadales;
OC   Xanthomonadaceae; Xylella.
OX   NCBI_TaxID=160492;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=9a5c;
RX   PubMed=10910347; DOI=10.1038/35018003;
RA   Simpson A.J.G., Reinach F.C., Arruda P., Abreu F.A., Acencio M.,
RA   Alvarenga R., Alves L.M.C., Araya J.E., Baia G.S., Baptista C.S.,
RA   Barros M.H., Bonaccorsi E.D., Bordin S., Bove J.M., Briones M.R.S.,
RA   Bueno M.R.P., Camargo A.A., Camargo L.E.A., Carraro D.M., Carrer H.,
RA   Colauto N.B., Colombo C., Costa F.F., Costa M.C.R., Costa-Neto C.M.,
RA   Coutinho L.L., Cristofani M., Dias-Neto E., Docena C., El-Dorry H.,
RA   Facincani A.P., Ferreira A.J.S., Ferreira V.C.A., Ferro J.A., Fraga J.S.,
RA   Franca S.C., Franco M.C., Frohme M., Furlan L.R., Garnier M., Goldman G.H.,
RA   Goldman M.H.S., Gomes S.L., Gruber A., Ho P.L., Hoheisel J.D.,
RA   Junqueira M.L., Kemper E.L., Kitajima J.P., Krieger J.E., Kuramae E.E.,
RA   Laigret F., Lambais M.R., Leite L.C.C., Lemos E.G.M., Lemos M.V.F.,
RA   Lopes S.A., Lopes C.R., Machado J.A., Machado M.A., Madeira A.M.B.N.,
RA   Madeira H.M.F., Marino C.L., Marques M.V., Martins E.A.L., Martins E.M.F.,
RA   Matsukuma A.Y., Menck C.F.M., Miracca E.C., Miyaki C.Y.,
RA   Monteiro-Vitorello C.B., Moon D.H., Nagai M.A., Nascimento A.L.T.O.,
RA   Netto L.E.S., Nhani A. Jr., Nobrega F.G., Nunes L.R., Oliveira M.A.,
RA   de Oliveira M.C., de Oliveira R.C., Palmieri D.A., Paris A., Peixoto B.R.,
RA   Pereira G.A.G., Pereira H.A. Jr., Pesquero J.B., Quaggio R.B.,
RA   Roberto P.G., Rodrigues V., de Rosa A.J.M., de Rosa V.E. Jr., de Sa R.G.,
RA   Santelli R.V., Sawasaki H.E., da Silva A.C.R., da Silva A.M.,
RA   da Silva F.R., Silva W.A. Jr., da Silveira J.F., Silvestri M.L.Z.,
RA   Siqueira W.J., de Souza A.A., de Souza A.P., Terenzi M.F., Truffi D.,
RA   Tsai S.M., Tsuhako M.H., Vallada H., Van Sluys M.A., Verjovski-Almeida S.,
RA   Vettore A.L., Zago M.A., Zatz M., Meidanis J., Setubal J.C.;
RT   "The genome sequence of the plant pathogen Xylella fastidiosa.";
RL   Nature 406:151-159(2000).
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. {ECO:0000250}.
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;
CC   -!- PATHWAY: Bacterial outer membrane biogenesis; LPS lipid A biosynthesis.
CC   -!- SIMILARITY: Belongs to the LpxB family. {ECO:0000305}.
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DR   EMBL; AE003849; AAF83852.1; -; Genomic_DNA.
DR   PIR; A82731; A82731.
DR   RefSeq; WP_010893561.1; NC_002488.3.
DR   AlphaFoldDB; Q9PEI6; -.
DR   SMR; Q9PEI6; -.
DR   STRING; 160492.XF_1042; -.
DR   CAZy; GT19; Glycosyltransferase Family 19.
DR   EnsemblBacteria; AAF83852; AAF83852; XF_1042.
DR   KEGG; xfa:XF_1042; -.
DR   eggNOG; COG0763; Bacteria.
DR   HOGENOM; CLU_036577_3_0_6; -.
DR   OMA; PTVWAWR; -.
DR   UniPathway; UPA00973; -.
DR   Proteomes; UP000000812; Chromosome.
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; Reference proteome; Transferase.
FT   CHAIN           1..385
FT                   /note="Lipid-A-disaccharide synthase"
FT                   /id="PRO_0000190195"
SQ   SEQUENCE   385 AA;  42707 MW;  2F8A284BE2667F87 CRC64;
     MIQAPRIALI AGEASGDHLG AGLIQQLRLR LPTAEFVGIG GDMMRSARCQ TWFDTSELAV
     MGLTEVLRHL PRLLKIRREF CKRALAWHPD VLIGIDAPDF NLTVERWFKQ RHIRTVHYVS
     PSIWAWREKR AAKIGASVDR VLCLFPMEPP IYARYGIDAR FVGHPMADEI PYQTDRATAR
     TALGLPLLSP VLAVLPGSRH SEISQLGSTF LEAAGQLSEH LPGLHVVIPA ANTQCKPLLA
     EQLSRSTLPV MHSHLLDNSA RTAMLAADVV LVASGTATLE AMLLKRPMVV AYKVAPLTYR
     IVKTLKLLKI NRFALPNILA GEDLAPELIQ KDCTAPALCA ALLDWFKHPQ KVTALQNRYL
     QLHTQLRRNA STRAAEAITE LLPQR
 
 
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