ID   LPXA_CHLTB              Reviewed;         280 AA.
AC   B0B9Y4;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   26-FEB-2008, sequence version 1.
DT   25-MAY-2022, 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}; OrderedLocusNames=CTLon_0788;
OS   Chlamydia trachomatis serovar L2b (strain UCH-1/proctitis).
OC   Bacteria; Chlamydiae; Chlamydiales; Chlamydiaceae;
OC   Chlamydia/Chlamydophila group; Chlamydia.
OX   NCBI_TaxID=471473;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=UCH-1/proctitis;
RX   PubMed=18032721; DOI=10.1101/gr.7020108;
RA   Thomson N.R., Holden M.T.G., Carder C., Lennard N., Lockey S.J., Marsh P.,
RA   Skipp P., O'Connor C.D., Goodhead I., Norbertzcak H., Harris B., Ormond D.,
RA   Rance R., Quail M.A., Parkhill J., Stephens R.S., Clarke I.N.;
RT   "Chlamydia trachomatis: genome sequence analysis of lymphogranuloma
RT   venereum isolates.";
RL   Genome Res. 18:161-171(2008).
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; AM884177; CAP07185.1; -; Genomic_DNA.
DR   RefSeq; WP_009873878.1; NC_010280.2.
DR   AlphaFoldDB; B0B9Y4; -.
DR   SMR; B0B9Y4; -.
DR   KEGG; ctl:CTLon_0788; -.
DR   HOGENOM; CLU_061249_0_0_0; -.
DR   OMA; ECVTINR; -.
DR   UniPathway; UPA00359; UER00477.
DR   Proteomes; UP000000794; 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; 1.20.1180.10; -; 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   PANTHER; PTHR43480; PTHR43480; 1.
DR   Pfam; PF13720; Acetyltransf_11; 1.
DR   Pfam; PF00132; Hexapep; 4.
DR   PIRSF; PIRSF000456; UDP-GlcNAc_acltr; 1.
DR   SUPFAM; SSF51161; SSF51161; 1.
DR   TIGRFAMs; TIGR01852; lipid_A_lpxA; 1.
DR   PROSITE; PS00101; HEXAPEP_TRANSFERASES; 1.
PE   3: Inferred from homology;
KW   Acyltransferase; Cytoplasm; Lipid A biosynthesis; Lipid biosynthesis;
KW   Lipid metabolism; Repeat; Transferase.
FT   CHAIN           1..280
FT                   /note="Acyl-[acyl-carrier-protein]--UDP-N-acetylglucosamine
FT                   O-acyltransferase"
FT                   /id="PRO_1000122696"
SQ   SEQUENCE   280 AA;  30724 MW;  362F2E9AC33A4F34 CRC64;
     MTNIHPTAIV EDGARIGNNV TIEPYAIVKK SVTLCDDVVV KSYAYIDGFT TIGRGTTVWP
     SAMIGNKPQD LKFKGEKTFV EIGEHCEIRE FAMITSSTFE GTTVSIGNNC LIMPWAHIAH
     NCSVGNNVVF STHVQLAGHV QVGDCVTIGS MVGVHQFVRI GSYSMVGAMS GIRRDIPPFT
     IGTGNPYALG GINKVGLQRR QVSFETRLAL IKTFKRVFRS DESFQASLES VLEDFGEVPE
     VRHFVEFCRQ PSKRGIERGV DCEASLEEPI DKKEGAFVES