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Standard Name


Gene Synonym(s)

ECK3597, b3607, JW3582[1], JW3582

Product Desc.

serine acetyltransferase[2][3];

Component of serine acetyltransferase[3]; cysteine synthase[2]; bifunctional CysEK cysteine biosynthesis complex[3]

Cysteine synthase, serine acetyltransferase (SAT); first step in cysteine synthesis; feedback inhibited by cysteine.hexameric[4]

Product Synonyms(s)

serine acetyltransferase[1], B3607[2][1], CysE[2][1] , ECK3597, JW3582, b3607

Function from GO
Knock-Out Phenotype

transcription unit(s): cysE[2]

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CysE forms a bienzyme complex with CysK. CysE contains 13 hexapeptide repeats.[4]


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  1. 1.0 1.1 1.2 1.3 Riley, M. et al. (2006) Nucleic Acids Res 34:1-6 (corrected supplemental data from B. Wanner)
  2. 2.0 2.1 2.2 2.3 2.4 EcoCyc (release 10.6; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  3. 3.0 3.1 3.2 EcoCyc (release 11.1; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  4. 4.0 4.1 EcoGene: Rudd, KE (2000) EcoGene: a genome sequence database for Escherichia coli K-12. Nucleic Acids Res 28:60-4.