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LPXD_ACIB5
ID   LPXD_ACIB5              Reviewed;         356 AA.
AC   B7I9U5;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   25-MAY-2022, entry version 69.
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=AB57_2312;
OS   Acinetobacter baumannii (strain AB0057).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Moraxellales; Moraxellaceae;
OC   Acinetobacter; Acinetobacter calcoaceticus/baumannii complex.
OX   NCBI_TaxID=480119;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=AB0057;
RX   PubMed=18931120; DOI=10.1128/jb.00834-08;
RA   Adams M.D., Goglin K., Molyneaux N., Hujer K.M., Lavender H., Jamison J.J.,
RA   MacDonald I.J., Martin K.M., Russo T., Campagnari A.A., Hujer A.M.,
RA   Bonomo R.A., Gill S.R.;
RT   "Comparative genome sequence analysis of multidrug-resistant Acinetobacter
RT   baumannii.";
RL   J. Bacteriol. 190:8053-8064(2008).
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; CP001182; ACJ42428.1; -; Genomic_DNA.
DR   RefSeq; WP_000868109.1; NC_011586.2.
DR   AlphaFoldDB; B7I9U5; -.
DR   SMR; B7I9U5; -.
DR   KEGG; abn:AB57_2312; -.
DR   HOGENOM; CLU_049865_0_1_6; -.
DR   OMA; QIQIAHN; -.
DR   UniPathway; UPA00973; -.
DR   Proteomes; UP000007094; 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; 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.
PE   3: Inferred from homology;
KW   Acyltransferase; Lipid A biosynthesis; Lipid biosynthesis;
KW   Lipid metabolism; Repeat; Transferase.
FT   CHAIN           1..356
FT                   /note="UDP-3-O-acylglucosamine N-acyltransferase"
FT                   /id="PRO_1000127654"
FT   ACT_SITE        242
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00523"
SQ   SEQUENCE   356 AA;  38430 MW;  686A7AF4B7D01B64 CRC64;
     MKVQQYRLDE LTHLVKGELI GEGSLQFSNL ASLENAEVNH LTFVNGEKHL DQAKVSRAGA
     YIVTAALKEH LPEKDNFIIV DNPYLAFAIL THVFDKKISS TGIESTAQIH PSAVISETAY
     IGHYVVIGEN CVVGDNTVIQ SHTKLDDNVE VGKDCFIDSH VTITGGSKLR DRVRIHSSTV
     IGGEGFGFAP YQGKWHRIAQ LGSVLIGNDV RIGSNCSIDR GALDNTILED GVIIDNLVQI
     AHNVHIGSNT AIAAKCGIAG STKIGKNCIL AGACGVAGHL SIADNVTLTG MSMVTKNISE
     AGTYSSGTGL FENNHWKKTI VRLRQLADVP LTQITKRLDH IQAQIESLES TFNLRK
 
 
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