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References Suggestions


Standard Name


Gene Synonym(s)

ECK0054, b0053, JW0052[1], JW0052

Product Desc.

peptidyl-prolyl cis-trans isomerase (PPIase)[2][3]

Periplasmic OM porin chaperone, has PPIase activity; required for stationary-phase survival[4]

Product Synonyms(s)

peptidyl-prolyl cis-trans isomerase (PPIase)[1], B0053[2][1], SurA[2][1] , ECK0054, JW0052, b0053

Function from GO

<GO_nr />

Knock-Out Phenotype

transcription unit(s): imp-surA-pdxA[2], surA-pdxA-rsmA-apaGH[2], surA-pdxA-ksgA-apaGH

Quick Links

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Parvulin (ppiC) family. SurA contains two PPIase domains. PPIase domain I is inactive. PPIase activity is not required for porin maturation. An fkpA, surA, ppiB, ppiD quadruple mutant is viable.[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. 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.