ID   LPXA_RICAE              Reviewed;         264 AA.
AC   C3PM36;
DT   22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT   16-JUN-2009, sequence version 1.
DT   02-SEP-2026, entry version 80.
DE   RecName: Full=Acyl-[acyl-carrier-protein]--UDP-N-acetylglucosamine O-acyltransferase {ECO:0000255|HAMAP-Rule:MF_00387};
DE            Short=UDP-N-acetylglucosamine acyltransferase {ECO:0000255|HAMAP-Rule:MF_00387};
DE            EC=2.3.1.129 {ECO:0000255|HAMAP-Rule:MF_00387};
GN   Name=lpxA {ECO:0000255|HAMAP-Rule:MF_00387};
GN   OrderedLocusNames=RAF_ORF0008;
OS   Rickettsia africae (strain ESF-5).
OC   Bacteria; Pseudomonadati; Pseudomonadota; Alphaproteobacteria;
OC   Rickettsiales; Rickettsiaceae; Rickettsieae; Rickettsia;
OC   spotted fever group.
OX   NCBI_TaxID=347255;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ESF-5;
RX   PubMed=19379498; DOI=10.1186/1471-2164-10-166;
RA   Fournier P.-E., El Karkouri K., Leroy Q., Robert C., Giumelli B.,
RA   Renesto P., Socolovschi C., Parola P., Audic S., Raoult D.;
RT   "Analysis of the Rickettsia africae genome reveals that virulence
RT   acquisition in Rickettsia species may be explained by genome reduction.";
RL   BMC Genomics 10:166-166(2009).
CC   -!- FUNCTION: Involved in the biosynthesis of lipid A, a phosphorylated
CC       glycolipid that anchors the lipopolysaccharide to the outer membrane of
CC       the cell. {ECO:0000255|HAMAP-Rule:MF_00387}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a (3R)-hydroxyacyl-[ACP] + UDP-N-acetyl-alpha-D-glucosamine =
CC         a UDP-3-O-[(3R)-3-hydroxyacyl]-N-acetyl-alpha-D-glucosamine + holo-
CC         [ACP]; Xref=Rhea:RHEA:67812, Rhea:RHEA-COMP:9685, Rhea:RHEA-
CC         COMP:9945, ChEBI:CHEBI:57705, ChEBI:CHEBI:64479, ChEBI:CHEBI:78827,
CC         ChEBI:CHEBI:173225; EC=2.3.1.129; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_00387};
CC   -!- PATHWAY: Glycolipid biosynthesis; lipid IV(A) biosynthesis; lipid IV(A)
CC       from (3R)-3-hydroxytetradecanoyl-[acyl-carrier-protein] and UDP-N-
CC       acetyl-alpha-D-glucosamine: step 1/6. {ECO:0000255|HAMAP-
CC       Rule:MF_00387}.
CC   -!- SUBUNIT: Homotrimer. {ECO:0000255|HAMAP-Rule:MF_00387}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00387}.
CC   -!- SIMILARITY: Belongs to the transferase hexapeptide repeat family. LpxA
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_00387}.
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DR   EMBL; CP001612; ACP52996.1; -; Genomic_DNA.
DR   RefSeq; WP_004997001.1; NC_012633.1.
DR   AlphaFoldDB; C3PM36; -.
DR   SMR; C3PM36; -.
DR   GeneID; 95361755; -.
DR   KEGG; raf:RAF_ORF0008; -.
DR   HOGENOM; CLU_061249_0_0_5; -.
DR   UniPathway; UPA00359; UER00477.
DR   Proteomes; UP000002305; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0008780; F:acyl-[acyl-carrier-protein]-UDP-N-acetylglucosamine O-acyltransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0009245; P:lipid A biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd03351; LbH_UDP-GlcNAc_AT; 1.
DR   Gene3D; 2.160.10.10; Hexapeptide repeat proteins; 1.
DR   Gene3D; 1.20.1180.10; Udp N-acetylglucosamine O-acyltransferase, C-terminal domain; 1.
DR   HAMAP; MF_00387; LpxA; 1.
DR   InterPro; IPR029098; Acetyltransf_C.
DR   InterPro; IPR037157; Acetyltransf_C_sf.
DR   InterPro; IPR056729; GMPPB_C.
DR   InterPro; IPR001451; Hexapep.
DR   InterPro; IPR018357; Hexapep_transf_CS.
DR   InterPro; IPR010137; Lipid_A_LpxA.
DR   InterPro; IPR011004; Trimer_LpxA-like_sf.
DR   NCBIfam; TIGR01852; lipid_A_lpxA; 1.
DR   NCBIfam; NF003657; PRK05289.1; 1.
DR   PANTHER; PTHR43480; ACYL-[ACYL-CARRIER-PROTEIN]--UDP-N-ACETYLGLUCOSAMINE O-ACYLTRANSFERASE; 1.
DR   PANTHER; PTHR43480:SF1; ACYL-[ACYL-CARRIER-PROTEIN]--UDP-N-ACETYLGLUCOSAMINE O-ACYLTRANSFERASE, MITOCHONDRIAL-RELATED; 1.
DR   Pfam; PF13720; Acetyltransf_11; 1.
DR   Pfam; PF25087; GMPPB_C; 1.
DR   Pfam; PF00132; Hexapep; 1.
DR   PIRSF; PIRSF000456; UDP-GlcNAc_acltr; 1.
DR   SUPFAM; SSF51161; Trimeric LpxA-like enzymes; 1.
DR   PROSITE; PS00101; HEXAPEP_TRANSFERASES; 1.
PE   3: Inferred from homology;
KW   Acyltransferase; Cytoplasm; Lipid A biosynthesis; Lipid biosynthesis;
KW   Lipid metabolism; Reference proteome; Repeat; Transferase.
FT   CHAIN           1..264
FT                   /note="Acyl-[acyl-carrier-protein]--UDP-N-acetylglucosamine
FT                   O-acyltransferase"
FT                   /id="PRO_1000205798"
SQ   SEQUENCE   264 AA;  28356 MW;  00CF1D37F0E20D54 CRC64;
     MSNSNIHTTA VIAEGAKLGK NVKIGPYCII GPEVVLHDNV ELKSHVVIEG ITEIGENTVI
     YPFASIGQPP QILKYANERS STIIGSNNTI REYVTVQAGS QGGGMMTRVG NNNLFMVGVH
     IGHDCKIGNN VVFANYVSLA GHIGVGDYAI IGGLSAVHQY ARIGEYSMIG GLSPVGADVI
     PFGLVSSKRA VLEGLNLIGM NRKGFDKVKS LSALKAIEEI FSGEGNFAER IKQVAEKYNN
     NSIVIQIIDF LNQDSSRAFC RFEK
//