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LPXD_RHIEC
ID   LPXD_RHIEC              Reviewed;         354 AA.
AC   Q2K8X9;
DT   12-DEC-2006, integrated into UniProtKB/Swiss-Prot.
DT   07-MAR-2006, sequence version 1.
DT   25-MAY-2022, entry version 102.
DE   RecName: Full=UDP-3-O-acylglucosamine N-acyltransferase {ECO:0000255|HAMAP-Rule:MF_00523};
DE            EC=2.3.1.191 {ECO:0000255|HAMAP-Rule:MF_00523};
GN   Name=lpxD {ECO:0000255|HAMAP-Rule:MF_00523}; OrderedLocusNames=RHE_CH01921;
OS   Rhizobium etli (strain CFN 42 / ATCC 51251).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Rhizobiaceae; Rhizobium/Agrobacterium group; Rhizobium.
OX   NCBI_TaxID=347834;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CFN 42 / ATCC 51251;
RX   PubMed=16505379; DOI=10.1073/pnas.0508502103;
RA   Gonzalez V., Santamaria R.I., Bustos P., Hernandez-Gonzalez I.,
RA   Medrano-Soto A., Moreno-Hagelsieb G., Janga S.C., Ramirez M.A.,
RA   Jimenez-Jacinto V., Collado-Vides J., Davila G.;
RT   "The partitioned Rhizobium etli genome: genetic and metabolic redundancy in
RT   seven interacting replicons.";
RL   Proc. Natl. Acad. Sci. U.S.A. 103:3834-3839(2006).
CC   -!- FUNCTION: Catalyzes the N-acylation of UDP-3-O-acylglucosamine using 3-
CC       hydroxyacyl-ACP as the acyl donor. Is involved in the biosynthesis of
CC       lipid A, a phosphorylated glycolipid that anchors the
CC       lipopolysaccharide to the outer membrane of the cell.
CC       {ECO:0000255|HAMAP-Rule:MF_00523}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a (3R)-hydroxyacyl-[ACP] + a UDP-3-O-[(3R)-3-hydroxyacyl]-
CC         alpha-D-glucosamine = a UDP-2-N,3-O-bis[(3R)-3-hydroxyacyl]-alpha-D-
CC         glucosamine + H(+) + holo-[ACP]; Xref=Rhea:RHEA:53836, Rhea:RHEA-
CC         COMP:9685, Rhea:RHEA-COMP:9945, ChEBI:CHEBI:15378, ChEBI:CHEBI:64479,
CC         ChEBI:CHEBI:78827, ChEBI:CHEBI:137740, ChEBI:CHEBI:137748;
CC         EC=2.3.1.191; Evidence={ECO:0000255|HAMAP-Rule:MF_00523};
CC   -!- PATHWAY: Bacterial outer membrane biogenesis; LPS lipid A biosynthesis.
CC       {ECO:0000255|HAMAP-Rule:MF_00523}.
CC   -!- SUBUNIT: Homotrimer. {ECO:0000255|HAMAP-Rule:MF_00523}.
CC   -!- SIMILARITY: Belongs to the transferase hexapeptide repeat family. LpxD
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_00523}.
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DR   EMBL; CP000133; ABC90707.1; -; Genomic_DNA.
DR   RefSeq; WP_011425199.1; NC_007761.1.
DR   AlphaFoldDB; Q2K8X9; -.
DR   SMR; Q2K8X9; -.
DR   STRING; 347834.RHE_CH01921; -.
DR   EnsemblBacteria; ABC90707; ABC90707; RHE_CH01921.
DR   KEGG; ret:RHE_CH01921; -.
DR   eggNOG; COG1044; Bacteria.
DR   HOGENOM; CLU_049865_0_0_5; -.
DR   OMA; QIQIAHN; -.
DR   UniPathway; UPA00973; -.
DR   Proteomes; UP000001936; Chromosome.
DR   GO; GO:0016410; F:N-acyltransferase activity; IEA:InterPro.
DR   GO; GO:0009245; P:lipid A biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd03352; LbH_LpxD; 1.
DR   HAMAP; MF_00523; LpxD; 1.
DR   InterPro; IPR001451; Hexapep.
DR   InterPro; IPR018357; Hexapep_transf_CS.
DR   InterPro; IPR007691; LpxD.
DR   InterPro; IPR011004; Trimer_LpxA-like_sf.
DR   InterPro; IPR020573; UDP_GlcNAc_AcTrfase_non-rep.
DR   PANTHER; PTHR43378; PTHR43378; 1.
DR   Pfam; PF00132; Hexapep; 3.
DR   Pfam; PF04613; LpxD; 1.
DR   SUPFAM; SSF51161; SSF51161; 1.
DR   TIGRFAMs; TIGR01853; lipid_A_lpxD; 1.
DR   PROSITE; PS00101; HEXAPEP_TRANSFERASES; 2.
PE   3: Inferred from homology;
KW   Acyltransferase; Lipid A biosynthesis; Lipid biosynthesis;
KW   Lipid metabolism; Reference proteome; Repeat; Transferase.
FT   CHAIN           1..354
FT                   /note="UDP-3-O-acylglucosamine N-acyltransferase"
FT                   /id="PRO_0000264421"
FT   REGION          335..354
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        340..354
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   ACT_SITE        257
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00523"
SQ   SEQUENCE   354 AA;  36609 MW;  3A1646B415E58009 CRC64;
     MEQNVFFLPH EGLKLAELAE FLGAELANSD HSDVIVRSVA PISRARAGDV CYILSRRNRE
     EFATCEASAV ICDKALADVV PPHLPVILSS NPHAAFAMAG GLFYPAALRP VAISGESEIA
     PSAVIDPSAK LEKGVIVEPL AVIGPHAEIG EGTRIGANSV IGPDVKIGRD CSIAAGASIL
     CALIGNGVVI HNGVRIGQDG FGYAPGPRGM IKIVQIGRVI IQDNVEIGAN TTIDRGAMDD
     TVIGEGTKID NQVQIGHNVQ IGRHCAIVSQ VGIAGSTKIG NGVQIGGQVG IKGHVTIGDG
     VQIAAKSGIM TDLAAGGQYG GIPARPLKDY LREAAQQVSK SKLRGRNPGG KQND
 
 
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