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dxs 1-deoxy-D-xylulose-5-phosphate synthase [ Escherichia coli str. K-12 substr. MG1655 ]

Gene ID: 945060, updated on 19-Nov-2025
Official Symbol
dxs
Official Full Name
1-deoxy-D-xylulose-5-phosphate synthase
Primary source
ECOCYC:G6237
Locus tag
b0420
See related
ASAP:ABE-0001461
Gene type
protein coding
RefSeq status
REVIEWED
Organism
Escherichia coli str. K-12 substr. MG1655 (strain: K-12, substrain: MG1655)
Lineage
Bacteria; Pseudomonadati; Pseudomonadota; Gammaproteobacteria; Enterobacterales; Enterobacteriaceae; Escherichia
Also known as
ECK0414; yajP
Summary
1-deoxyxylulose-5-phosphate synthase (Dxs) catalyzes the first, rate-limiting step in the methylerythritol phosphate pathway of isoprenoid biosynthesis, as well as feeding into the pyridoxal 5-phosphate and thiamine biosynthesis pathways. [More information is available at EcoCyc: G6237].
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Sequence:
NC_000913.3 (438315..440177, complement)

NC_000913.3Genomic Context describing neighboring genes Neighboring gene thiamine monophosphate kinase Neighboring gene phosphatidylglycerophosphatase A Neighboring gene 1-deoxyxylulose-5-phosphate synthase YajO Neighboring gene geranyl diphosphate/farnesyl diphosphate synthase Neighboring gene exodeoxyribonuclease VII subunit XseB

Genomic Sequence:
NC_000913.3

GeneRIFs: Gene References Into Functions

What's a GeneRIF?
Products Interactant Other Gene Complex Source Pubs Description

Gene Ontology Provided by EcoCyc

Function Evidence Code Pubs
enables 1-deoxy-D-xylulose-5-phosphate synthase activity IBA
Inferred from Biological aspect of Ancestor
more info
 
enables 1-deoxy-D-xylulose-5-phosphate synthase activity IDA
Inferred from Direct Assay
more info
PubMed 
enables 1-deoxy-D-xylulose-5-phosphate synthase activity IEA
Inferred from Electronic Annotation
more info
 
enables magnesium ion binding IEA
Inferred from Electronic Annotation
more info
 
enables metal ion binding IEA
Inferred from Electronic Annotation
more info
 
enables protein homodimerization activity IDA
Inferred from Direct Assay
more info
PubMed 
enables thiamine pyrophosphate binding IDA
Inferred from Direct Assay
more info
PubMed 
enables thiamine pyrophosphate binding IEA
Inferred from Electronic Annotation
more info
 
enables transferase activity IEA
Inferred from Electronic Annotation
more info
 
Component Evidence Code Pubs
is_active_in cytosol IBA
Inferred from Biological aspect of Ancestor
more info
 
located_in cytosol IDA
Inferred from Direct Assay
more info
PubMed 
Preferred Names
1-deoxy-D-xylulose-5-phosphate synthase
NP_414954.1

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Genome Annotation

The following sections contain reference sequences that belong to a specific genome build. Explain

Reference assembly

Genomic

  1. NC_000913.3 Reference assembly

    Range
    438315..440177 complement
    Download
    GenBank, FASTA, Sequence Viewer (Graphics)

mRNA and Protein(s)

  1. NP_414954.1 1-deoxy-D-xylulose-5-phosphate synthase

    See identical proteins and their annotated locations for NP_414954.1

    Status: REVIEWED

    UniProtKB/TrEMBL
    A0A7D7KHM4, A0A828P4H5, A0A8S7I7P8
    Conserved Domains (1) summary
    TIGR00204
    Location:11620
    dxs; 1-deoxy-D-xylulose-5-phosphate synthase