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Protein

Lipid-A-disaccharide synthase

Gene

lpxB

Organism
Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)
Status
Reviewed-Annotation score: Annotation score: 2 out of 5-Protein inferred from homologyi

Functioni

Condensation of UDP-2,3-diacylglucosamine and 2,3-diacylglucosamine-1-phosphate to form lipid A disaccharide, a precursor of lipid A, a phosphorylated glycolipid that anchors the lipopolysaccharide to the outer membrane of the cell.UniRule annotation

Catalytic activityi

UDP-2,3-bis(3-hydroxytetradecanoyl)glucosamine + 2,3-bis(3-hydroxytetradecanoyl)-beta-D-glucosaminyl 1-phosphate = UDP + 2,3-bis(3-hydroxytetradecanoyl)-D-glucosaminyl-1,6-beta-D-2,3-bis(3-hydroxytetradecanoyl)-beta-D-glucosaminyl 1-phosphate.UniRule annotation

Pathwayi

GO - Molecular functioni

  1. lipid-A-disaccharide synthase activity Source: UniProtKB-HAMAP

GO - Biological processi

  1. lipid A biosynthetic process Source: UniProtKB-HAMAP
Complete GO annotation...

Keywords - Molecular functioni

Glycosyltransferase, Transferase

Keywords - Biological processi

Lipid A biosynthesis, Lipid biosynthesis, Lipid metabolism

Enzyme and pathway databases

BioCyciSENT99287:GCTI-228-MONOMER.
UniPathwayiUPA00359; UER00481.

Protein family/group databases

CAZyiGT19. Glycosyltransferase Family 19.

Names & Taxonomyi

Protein namesi
Recommended name:
Lipid-A-disaccharide synthaseUniRule annotation (EC:2.4.1.182UniRule annotation)
Gene namesi
Name:lpxBUniRule annotation
Ordered Locus Names:STM0229
OrganismiSalmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720)
Taxonomic identifieri99287 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaeSalmonella
ProteomesiUP000001014: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 382382Lipid-A-disaccharide synthasePRO_0000190184Add
BLAST

Proteomic databases

PaxDbiQ8ZRN9.
PRIDEiQ8ZRN9.

Interactioni

Protein-protein interaction databases

STRINGi99287.STM0229.

Structurei

3D structure databases

ProteinModelPortaliQ8ZRN9.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the LpxB family.UniRule annotation

Phylogenomic databases

eggNOGiCOG0763.
HOGENOMiHOG000018003.
KOiK00748.
OMAiQPWVGLP.
OrthoDBiEOG6FBWZR.
PhylomeDBiQ8ZRN9.

Family and domain databases

HAMAPiMF_00392. LpxB.
InterProiIPR003835. Glyco_trans_19.
[Graphical view]
PfamiPF02684. LpxB. 1 hit.
[Graphical view]
TIGRFAMsiTIGR00215. lpxB. 1 hit.

Sequencei

Sequence statusi: Complete.

Q8ZRN9-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MAAQRPLTIA LVAGETSGDI LGAGLIRALK ARVPNARFVG VAGPRMQAEG
60 70 80 90 100
CEAWYEMEEL AVMGIVEVLG RLRRLLHIRA DLTRRFTELK PDVFVGIDAP
110 120 130 140 150
DFNITLEGNL KKKGIKTIHY VSPSVWAWRQ KRVFKIGRST HMVLAFLPFE
160 170 180 190 200
KAFYDKFNVP CRFIGHTMAD AMPLDPDKNA ARDVLGIPHD AHCLALLPGS
210 220 230 240 250
RGAEVEMLSA DFLKTAQLLR QRYPDLEVVV PLVNAKRREQ FEKIKAEVAP
260 270 280 290 300
DLAVHLLDGM AREAMIASDA ALLASGTAAL ECMLAKCPMV VGYRMKPFTF
310 320 330 340 350
WLAKRLVKTE YVSLPNLLAG RELVKELLQE ECEPQKLAEA LLPLLANGKT
360 370 380
SHAMHDTFRE LHQQIRCNAD EQAADAVLEL AQ
Length:382
Mass (Da):42,452
Last modified:March 1, 2002 - v1
Checksum:iD84FB7284794CC59
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AE006468 Genomic DNA. Translation: AAL19193.1.
RefSeqiNP_459234.1. NC_003197.1.

Genome annotation databases

EnsemblBacteriaiAAL19193; AAL19193; STM0229.
GeneIDi1251747.
KEGGistm:STM0229.
PATRICi32378745. VBISalEnt20916_0242.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AE006468 Genomic DNA. Translation: AAL19193.1.
RefSeqiNP_459234.1. NC_003197.1.

3D structure databases

ProteinModelPortaliQ8ZRN9.
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi99287.STM0229.

Protein family/group databases

CAZyiGT19. Glycosyltransferase Family 19.

Proteomic databases

PaxDbiQ8ZRN9.
PRIDEiQ8ZRN9.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaiAAL19193; AAL19193; STM0229.
GeneIDi1251747.
KEGGistm:STM0229.
PATRICi32378745. VBISalEnt20916_0242.

Phylogenomic databases

eggNOGiCOG0763.
HOGENOMiHOG000018003.
KOiK00748.
OMAiQPWVGLP.
OrthoDBiEOG6FBWZR.
PhylomeDBiQ8ZRN9.

Enzyme and pathway databases

UniPathwayiUPA00359; UER00481.
BioCyciSENT99287:GCTI-228-MONOMER.

Family and domain databases

HAMAPiMF_00392. LpxB.
InterProiIPR003835. Glyco_trans_19.
[Graphical view]
PfamiPF02684. LpxB. 1 hit.
[Graphical view]
TIGRFAMsiTIGR00215. lpxB. 1 hit.
ProtoNetiSearch...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: LT2 / SGSC1412 / ATCC 700720.

Entry informationi

Entry nameiLPXB_SALTY
AccessioniPrimary (citable) accession number: Q8ZRN9
Entry historyi
Integrated into UniProtKB/Swiss-Prot: May 27, 2002
Last sequence update: March 1, 2002
Last modified: February 4, 2015
This is version 66 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into Uniref entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.