ID LPXA_ECOUT Reviewed; 262 AA. AC Q1RG08; DT 11-SEP-2007, integrated into UniProtKB/Swiss-Prot. DT 16-MAY-2006, sequence version 1. DT 27-MAR-2024, entry version 99. 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=UTI89_C0196; OS Escherichia coli (strain UTI89 / UPEC). OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales; OC Enterobacteriaceae; Escherichia. OX NCBI_TaxID=364106; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=UTI89 / UPEC; RX PubMed=16585510; DOI=10.1073/pnas.0600938103; RA Chen S.L., Hung C.-S., Xu J., Reigstad C.S., Magrini V., Sabo A., RA Blasiar D., Bieri T., Meyer R.R., Ozersky P., Armstrong J.R., Fulton R.S., RA Latreille J.P., Spieth J., Hooton T.M., Mardis E.R., Hultgren S.J., RA Gordon J.I.; RT "Identification of genes subject to positive selection in uropathogenic RT strains of Escherichia coli: a comparative genomics approach."; RL Proc. Natl. Acad. Sci. U.S.A. 103:5977-5982(2006). 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}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; CP000243; ABE05706.1; -; Genomic_DNA. DR RefSeq; WP_000565966.1; NZ_CP064825.1. DR AlphaFoldDB; Q1RG08; -. DR SMR; Q1RG08; -. DR GeneID; 75202006; -. DR KEGG; eci:UTI89_C0196; -. DR HOGENOM; CLU_061249_0_0_6; -. DR UniPathway; UPA00359; UER00477. DR Proteomes; UP000001952; 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; 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 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. DR PROSITE; PS00101; HEXAPEP_TRANSFERASES; 2. PE 3: Inferred from homology; KW Acyltransferase; Cytoplasm; Lipid A biosynthesis; Lipid biosynthesis; KW Lipid metabolism; Repeat; Transferase. FT CHAIN 1..262 FT /note="Acyl-[acyl-carrier-protein]--UDP-N-acetylglucosamine FT O-acyltransferase" FT /id="PRO_0000302572" SQ SEQUENCE 262 AA; 28080 MW; B42B076F0045B44C CRC64; MIDKSAFVHP TAIVEEGASI GANAHIGPFC IVGPHVEIGE GTVLKSHVVV NGHTKIGRDN EIYQFASIGE VNQDLKYAGE PTRVEIGDRN RIRESVTIHR GTVQGGGLTK VGSDNLLMIN AHIAHDCTVG NRCILANNAT LAGHVSVDDF AIIGGMTAVH QFCIIGAHVM VGGCSGVAQD VPPYVIAQGN HATPFGVNIE GLKRRGFSRE AITAIRNAYK LIYRSGKTLD EVKPEIAELA ETYPEVKAFT DFFARSTRGL IR //