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References Suggestions


Standard Name


Gene Synonym(s)

ECK1005, b1014, JW0999, poaA, putC, proline utilization A[1][2]

Product Desc.

PutA bifunctional enzyme and transcriptional regulator[2]; PutA transcriptional repressor, Proline dehydrogenase/pyrroline-5-carboxylate dehydrogenase[3];

Component of PUTA-CPLX[2]; PutA transcriptional repressor, Proline dehydrogenase/pyrroline-5-carboxylate dehydrogenase[3]

Proline dehydrogenase and repressor for the putAP divergon[4]

Product Synonyms(s)

fused DNA-binding transcriptional regulator[1], proline dehydrogenase[1], pyrroline-5-carboxylate dehydrogenase[1], B1014[2][1], PutC[2][1], PoaA[2][1], PutA[2][1] , ECK1005, JW0999, poaA, putC, b1014

Function from GO

<GO_nr />

Knock-Out Phenotype

transcription unit(s): putA[2]

Quick Links

porteco.png EcoCyc.gif regulondb.jpg

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PutA is a multifunctional membrane-associated flavoprotein involved in proline catabolism: the central proline dehydrogenese domain feeds its product to the C-terminal Delta(1)-pyrroline-5-carboxylate dehydrogenese domain, to produce glutamate. The N-terminal 90 residue domain is the DNA-binding repressor domain. A divergon is a regulon comprised of two adjacent divergent operons or genes. Binds TrxA (Kumar, 2004).[4]


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  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 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 2.5 2.6 2.7 EcoCyc (release 10.6; 2007) Keseler, IM et al. (2005) Nucleic Acids Res. 33(Database issue):D334-7
  3. 3.0 3.1 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.