Reviewed, UniProtKB/Swiss-Prot B7NIE3 (LPXA_ECO7I)

Names and origin

Protein names

Recommended name:
    Acyl-[acyl-carrier-protein]--UDP-N-acetylglucosamine O-acyltransferase
      Short name=UDP-N-acetylglucosamine acyltransferase
    EC=2.3.1.129

Gene names

Name:	lpxA
Ordered Locus Names:	ECIAI39_0184

Organism

Escherichia coli O7:K1 (strain IAI39 / ExPEC) [Complete proteome] [HAMAP]

Taxonomic identifier

585057 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Escherichia

Protein attributes

Sequence length	262 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred from homology.

General annotation (Comments)

Function	Involved in the biosynthesis of lipid A, a phosphorylated glycolipid that anchors the lipopolysaccharide to the outer membrane of the cell By similarity.
Catalytic activity	(R)-3-hydroxytetradecanoyl-[acyl-carrier-protein] + UDP-N-acetylglucosamine = [acyl-carrier-protein] + UDP-3-O-(3-hydroxytetradecanoyl)-N-acetylglucosamine. HAMAP MF_00387
Pathway	Glycolipid biosynthesis; lipid IV(A) biosynthesis; lipid IV(A) from (3R)-3-hydroxytetradecanoyl-[acyl-carrier-protein] and UDP-N-acetyl-alpha-D-glucosamine: step 1/6. HAMAP MF_00387
Subunit structure	Homotrimer By similarity.
Subcellular location	Cytoplasm By similarity.
Sequence similarities	Belongs to the transferase hexapeptide repeat family. LpxA subfamily.

Ontologies

Keywords
Biological process	Lipid A biosynthesis Lipid synthesis
Cellular component	Cytoplasm
Domain	Repeat
Molecular function	Acyltransferase Transferase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	lipid A biosynthetic process Inferred from electronic annotation. Source: HAMAP
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
Molecular function	acyl-[acyl-carrier-protein]-UDP-N-acetylglucosamine O-acyltransferase activity Inferred from electronic annotation. Source: HAMAP
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 262	262	Acyl-[acyl-carrier-protein]--UDP-N-acetylglucosamine O-acyltransferase HAMAP MF_00387		PRO_1000122702

Sequences

	Sequence		Length	Mass (Da)
	B7NIE3-1 [UniParc]. Last modified March 24, 2009. Version 1. Checksum: B42B076F0045B44C	FASTA	262	28,080
	10 20 30 40 50 60 MIDKSAFVHP TAIVEEGASI GANAHIGPFC IVGPHVEIGE GTVLKSHVVV NGHTKIGRDN 70 80 90 100 110 120 EIYQFASIGE VNQDLKYAGE PTRVEIGDRN RIRESVTIHR GTVQGGGLTK VGSDNLLMIN 130 140 150 160 170 180 AHIAHDCTVG NRCILANNAT LAGHVSVDDF AIIGGMTAVH QFCIIGAHVM VGGCSGVAQD 190 200 210 220 230 240 VPPYVIAQGN HATPFGVNIE GLKRRGFSRE AITAIRNAYK LIYRSGKTLD EVKPEIAELA 250 260 ETYPEVKAFT DFFARSTRGL IR

References

[1]

"Organised genome dynamics in the Escherichia coli species results in highly diverse adaptive paths." Touchon M., Hoede C., Tenaillon O., Barbe V., Baeriswyl S., Bidet P., Bingen E., Bonacorsi S., Bouchier C., Bouvet O., Calteau A., Chiapello H., Clermont O., Cruveiller S., Danchin A., Diard M., Dossat C., Karoui M.E. , Frapy E., Garry L., Ghigo J.M., Gilles A.M., Johnson J., Le Bouguenec C., Lescat M., Mangenot S., Martinez-Jehanne V., Matic I., Nassif X., Oztas S., Petit M.A., Pichon C., Rouy Z., Ruf C.S., Schneider D., Tourret J., Vacherie B., Vallenet D., Medigue C., Rocha E.P.C., Denamur E. PLoS Genet. 5:E1000344-E1000344(2009) [PubMed: 19165319] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBLGenBankDDBJ	CU928164 Genomic DNA. Translation: CAR16324.1.
RefSeq	YP_002406230.1.
3D structure databases
ModBase	Search...
Genome annotation databases
GeneID	7151271.
GenomeReviews	Gene locus ECIAI39_0184 in contig CU928164_GR.
Organism-specific databases
CMR	Search...
Family and domain databases
HAMAP	MF_00387. [Tree]
InterPro	IPR001451. Hexapep_transf. IPR018357. Hexapep_transf_CS. IPR010137. Lipid_A_lpxA. [Graphical view]
Pfam	PF00132. Hexapep. 7 hits. [Graphical view]
PIRSF	PIRSF000456. UDP-GlcNAc_acltr. 1 hit.
TIGRFAMs	TIGR01852. lipid_A_lpxA. 1 hit.
PROSITE	PS00101. HEXAPEP_TRANSFERASES. 2 hits. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

LPXA_ECO7I

Accession

Primary (citable) accession number: B7NIE3

Entry history

Integrated into UniProtKB/Swiss-Prot:	April 14, 2009
Last sequence update:	March 24, 2009
Last modified:	November 3, 2009
This is version 7 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)