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leuA 2-isopropylmalate synthase [ Escherichia coli str. K-12 substr. MG1655 ]

Gene ID: 947465, updated on 17-Jul-2025
Official Symbol
leuA
Official Full Name
2-isopropylmalate synthase
Primary source
ECOCYC:EG11226
Locus tag
b0074
See related
ASAP:ABE-0000267
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
ECK0076
Summary
2-isopropylmalate synthase (LeuA) carries out the first step in leucine biosynthesis. [More information is available at EcoCyc: EG11226].
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Sequence:
NC_000913.3 (81958..83529, complement)

NC_000913.3Genomic Context describing neighboring genes Neighboring gene 3-isopropylmalate dehydratase subunit LeuC Neighboring gene 3-isopropylmalate dehydrogenase Neighboring gene leu operon leader peptide Neighboring gene DNA-binding transcriptional dual regulator LeuO

Genomic Sequence:
NC_000913.3
Products Interactant Other Gene Complex Source Pubs Description

Gene Ontology Provided by EcoCyc

Function Evidence Code Pubs
enables 2-isopropylmalate synthase activity IBA
Inferred from Biological aspect of Ancestor
more info
 
enables 2-isopropylmalate synthase activity IDA
Inferred from Direct Assay
more info
PubMed 
enables 2-isopropylmalate synthase activity IMP
Inferred from Mutant Phenotype
more info
PubMed 
enables acetyl-CoA C-acetyltransferase activity IEA
Inferred from Electronic Annotation
more info
 
enables acyltransferase activity, acyl groups converted into alkyl on transfer IEA
Inferred from Electronic Annotation
more info
 
enables manganese ion binding IEA
Inferred from Electronic Annotation
more info
 
enables metal ion binding IEA
Inferred from Electronic Annotation
more info
 
Process Evidence Code Pubs
involved_in L-leucine biosynthetic process IBA
Inferred from Biological aspect of Ancestor
more info
 
involved_in L-leucine biosynthetic process IEA
Inferred from Electronic Annotation
more info
 
acts_upstream_of_or_within L-leucine biosynthetic process IMP
Inferred from Mutant Phenotype
more info
PubMed 
Component Evidence Code Pubs
located_in cytoplasm IEA
Inferred from Electronic Annotation
more info
 
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
2-isopropylmalate synthase
NP_414616.1

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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
    81958..83529 complement
    Download
    GenBank, FASTA, Sequence Viewer (Graphics)

mRNA and Protein(s)

  1. NP_414616.1 2-isopropylmalate synthase

    See identical proteins and their annotated locations for NP_414616.1

    Status: REVIEWED

    UniProtKB/TrEMBL
    A0A376L1F6
    Conserved Domains (1) summary
    PRK00915
    Location:1512
    PRK00915; 2-isopropylmalate synthase; Validated