Q9X6P4 (LPXA_PSEAE) Reviewed, UniProtKB/Swiss-Prot

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:	PA3644

Organism

Pseudomonas aeruginosa (strain ATCC 15692 / PAO1 / 1C / PRS 101 / LMG 12228)

Taxonomic identifier

208964 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Pseudomonadales › Pseudomonadaceae › Pseudomonas

Protein attributes

Sequence length	258 AA.
Sequence status	Complete.
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. HAMAP MF_00387
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. HAMAP MF_00387
Subcellular location	Cytoplasm By similarity HAMAP MF_00387.
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 Reference proteome
Gene Ontology (GO)
Biological process	lipid A biosynthetic process Inferred from electronic annotation. Source: UniProtKB-KW
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: EC
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 258	258	Acyl-[acyl-carrier-protein]--UDP-N-acetylglucosamine O-acyltransferase HAMAP MF_00387		PRO_0000188058

Sequences

	Sequence		Length	Mass (Da)
	Q9X6P4 [UniParc]. Last modified November 1, 1999. Version 1. Checksum: B40E9923058E259E	FASTA	258	28,010
	10 20 30 40 50 60 MSLIDPRAII DPSARLAADV QVGPWSIVGA EVEIGEGTVI GPHVVLKGPT KIGKHNRIYQ 70 80 90 100 110 120 FSSVGEDTPD LKYKGEPTRL VIGDHNVIRE GVTIHRGTVQ DRAETTIGDH NLIMAYAHIG 130 140 150 160 170 180 HDSVIGNHCI LVNNTALAGH VHVDDWAILS GYTLVHQYCR IGAHSFSGMG SAIGKDVPAY 190 200 210 220 230 240 VTVFGNPAEA RSMNFEGMRR RGFSSEAIHA LRRAYKVVYR QGHTVEEALA ELAESAAQFP 250 EVAVFRDSIQ SATRGITR

References

	« Hide 'large scale' referencesShow 'large scale' references »
[1]	"Expression cloning of a Pseudomonas gene encoding a hydroxydecanoyl-acyl carrier protein-dependent UDP-GlcNAc acyltransferase." Dotson G.D., Kaltashov I.A., Cotter R.J., Raetz C.R.H. J. Bacteriol. 180:330-337(1998) [PubMed: 9440522] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA]. Strain: ATCC 15692 / PAO1 / 1C / PRS 101 / LMG 12228.
[2]	"Complete genome sequence of Pseudomonas aeruginosa PAO1, an opportunistic pathogen." Stover C.K., Pham X.-Q.T., Erwin A.L., Mizoguchi S.D., Warrener P., Hickey M.J., Brinkman F.S.L., Hufnagle W.O., Kowalik D.J., Lagrou M., Garber R.L., Goltry L., Tolentino E., Westbrock-Wadman S., Yuan Y., Brody L.L., Coulter S.N., Folger K.R. , Kas A., Larbig K., Lim R.M., Smith K.A., Spencer D.H., Wong G.K.-S., Wu Z., Paulsen I.T., Reizer J., Saier M.H. Jr., Hancock R.E.W., Lory S., Olson M.V. Nature 406:959-964(2000) [PubMed: 10984043] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: ATCC 15692 / PAO1 / 1C / PRS 101 / LMG 12228.
+	Additional computationally mapped references.

Cross-references

Sequence databases
EMBL GenBank DDBJ	AF142597 Genomic DNA. Translation: AAD30149.1. AE004091 Genomic DNA. Translation: AAG07032.1.
PIR	D83190.
RefSeq	NP_252334.1. NC_002516.2.
3D structure databases
ProteinModelPortal	Q9X6P4.
SMR	Q9X6P4. Positions 2-258.
ModBase	Search...
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
GeneID	880493.
GenomeReviews	Gene locus PA3644 in contig AE004091_GR.
KEGG	pae:PA3644.
PATRIC	19841911. VBIPseAer58763_3813.
Organism-specific databases
PseudoCAP	PA3644.
Phylogenomic databases
HOGENOM	HBG659295.
OMA	REFCTFN.
ProtClustDB	PRK05289.
Enzyme and pathway databases
BioCyc	PAER208964:PA3644-MONOMER.
Family and domain databases
HAMAP	MF_00387. LpxA. [Tree]
InterPro	IPR001451. Hexapep_transf. IPR018357. Hexapep_transf_CS. IPR010137. Lipid_A_lpxA. IPR011004. Trimer_LpxA-like. [Graphical view]
KO	K00677.
Pfam	PF00132. Hexapep. 3 hits. [Graphical view]
PIRSF	PIRSF000456. UDP-GlcNAc_acltr. 1 hit.
SUPFAM	SSF51161. Trimer_LpxA_like. 1 hit.
TIGRFAMs	TIGR01852. Lipid_A_lpxA. 1 hit.
PROSITE	PS00101. HEXAPEP_TRANSFERASES. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

LPXA_PSEAE

Accession

Primary (citable) accession number: Q9X6P4

Entry history

Integrated into UniProtKB/Swiss-Prot:	June 1, 2001
Last sequence update:	November 1, 1999
Last modified:	January 25, 2012
This is version 72 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program