ID   LPXA_RHIE6              Reviewed;         272 AA.
AC   B3PYQ2;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   02-SEP-2008, sequence version 1.
DT   27-MAR-2024, entry version 81.
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=RHECIAT_CH0002020;
OS   Rhizobium etli (strain CIAT 652).
OC   Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC   Rhizobiaceae; Rhizobium/Agrobacterium group; Rhizobium.
OX   NCBI_TaxID=491916;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CIAT 652;
RX   PubMed=20048063; DOI=10.1128/aem.02039-09;
RA   Gonzalez V., Acosta J.L., Santamaria R.I., Bustos P., Fernandez J.L.,
RA   Hernandez Gonzalez I.L., Diaz R., Flores M., Palacios R., Mora J.,
RA   Davila G.;
RT   "Conserved symbiotic plasmid DNA sequences in the multireplicon pangenomic
RT   structure of Rhizobium etli.";
RL   Appl. Environ. Microbiol. 76:1604-1614(2010).
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; CP001074; ACE90981.1; -; Genomic_DNA.
DR   AlphaFoldDB; B3PYQ2; -.
DR   SMR; B3PYQ2; -.
DR   KEGG; rec:RHECIAT_CH0002020; -.
DR   eggNOG; COG1043; Bacteria.
DR   HOGENOM; CLU_061249_0_0_5; -.
DR   UniPathway; UPA00359; UER00477.
DR   Proteomes; UP000008817; 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; IPR001451; Hexapep.
DR   InterPro; IPR010137; Lipid_A_LpxA.
DR   InterPro; IPR011004; Trimer_LpxA-like_sf.
DR   NCBIfam; TIGR01852; lipid_A_lpxA; 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; PF00132; Hexapep; 2.
DR   PIRSF; PIRSF000456; UDP-GlcNAc_acltr; 1.
DR   SUPFAM; SSF51161; Trimeric LpxA-like enzymes; 1.
PE   3: Inferred from homology;
KW   Acyltransferase; Cytoplasm; Lipid A biosynthesis; Lipid biosynthesis;
KW   Lipid metabolism; Repeat; Transferase.
FT   CHAIN           1..272
FT                   /note="Acyl-[acyl-carrier-protein]--UDP-N-acetylglucosamine
FT                   O-acyltransferase"
FT                   /id="PRO_1000122723"
SQ   SEQUENCE   272 AA;  28553 MW;  7F05A16D2140FCDF CRC64;
     MSTIAESARI HPMAVVEDGA TVGEGVKIGP FCHVGPHVVL QENVELLSHA IVTGRTVIGK
     GTRIFPMAVV GGDPQSVHHA GEETTLSVGA NCTIREGVTM NTGTADFGGQ TIVGDNNLFL
     ANSHVAHDCR VGNHVIMSNN VMLAGHVVIE DRVILGGGSA VHQFTRVGRQ AFVGGLSAVS
     YDVIPYGMLN GNPGLLSGLN VVGMTRAGID RAVIHRVRRA YKAIFEGTAS VRENAAAIRE
     EYADCPEVVQ ILDFIAADSD RALSSPTRGQ KG
//