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Protein

Lipid-A-disaccharide synthase

Gene

lpxB

Organism
Prochlorococcus marinus (strain MIT 9303)
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

BioCyciPMAR59922:GH54-613-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:P9303_05531
OrganismiProchlorococcus marinus (strain MIT 9303)
Taxonomic identifieri59922 [NCBI]
Taxonomic lineageiBacteriaCyanobacteriaProchloralesProchlorococcaceaeProchlorococcus
ProteomesiUP000002274: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 392392Lipid-A-disaccharide synthasePRO_1000049406Add
BLAST

Interactioni

Protein-protein interaction databases

STRINGi59922.P9303_05531.

Structurei

3D structure databases

ProteinModelPortaliA2C745.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the LpxB family.UniRule annotation

Phylogenomic databases

eggNOGiCOG0763.
HOGENOMiHOG000018004.
KOiK00748.
OMAiAPQEWAW.
OrthoDBiEOG6FBWZR.

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.

A2C745-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MVRLLISTGE VSGDLQGSLL IQALQREVER RSLPLELMAL GGPRMQASGA
60 70 80 90 100
ELLADTAPMG AIGLWEALPL VLPTLRLQSR VDHVLKQRPP DAVVLIDYMG
110 120 130 140 150
ANVRLGHKLR RWFPRVPIIY YIAPQEWAWR FGDGGTTQLL SFTDRILAIF
160 170 180 190 200
PVEAEFYAQR GAKVTWVGHP LLDTVSVLPD RQLARERLGL KSGQRLLLLL
210 220 230 240 250
PASRQQELRY LMPTLAKAAA LLQQRDPSLE VIVPAGLASF ETSLQKALEA
260 270 280 290 300
AAVRGRVLSA QQADELKPML YAAADLALGK SGTVNMELAL RGVPQVVGYK
310 320 330 340 350
VSRITAFVAR HFLRFRVDHI SPVNLLLKER LVPELLQDEF TAEALVQAAI
360 370 380 390
PLLEDPAQRH EMLEGYWRLR QTLGVPGVTD RAAKEILDLT KP
Length:392
Mass (Da):43,485
Last modified:February 20, 2007 - v1
Checksum:i30F2DD5364FBC44A
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000554 Genomic DNA. Translation: ABM77305.1.
RefSeqiWP_011825227.1. NC_008820.1.
YP_001016570.1. NC_008820.1.

Genome annotation databases

EnsemblBacteriaiABM77305; ABM77305; P9303_05531.
GeneIDi4778596.
KEGGipmf:P9303_05531.
PATRICi22998535. VBIProMar17757_0590.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000554 Genomic DNA. Translation: ABM77305.1.
RefSeqiWP_011825227.1. NC_008820.1.
YP_001016570.1. NC_008820.1.

3D structure databases

ProteinModelPortaliA2C745.
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi59922.P9303_05531.

Protein family/group databases

CAZyiGT19. Glycosyltransferase Family 19.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaiABM77305; ABM77305; P9303_05531.
GeneIDi4778596.
KEGGipmf:P9303_05531.
PATRICi22998535. VBIProMar17757_0590.

Phylogenomic databases

eggNOGiCOG0763.
HOGENOMiHOG000018004.
KOiK00748.
OMAiAPQEWAW.
OrthoDBiEOG6FBWZR.

Enzyme and pathway databases

UniPathwayiUPA00359; UER00481.
BioCyciPMAR59922:GH54-613-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: MIT 9303.

Entry informationi

Entry nameiLPXB_PROM3
AccessioniPrimary (citable) accession number: A2C745
Entry historyi
Integrated into UniProtKB/Swiss-Prot: January 15, 2008
Last sequence update: February 20, 2007
Last modified: February 4, 2015
This is version 50 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

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.