Table IV Highly down-regulated proteins upon heat shock
Gene nameProteinRelative transcript ratioaProtein ratiob
cysMCysteine synthase−1.3−1.6
purAAdenylosuccinate synthetase−1.3−4.4
b1680Cysteine desulfurase−1.32.5
rhoTranscription termination factor Rho−1.3−7.3
serAd-3-Phosphoglycerate dehydrogenase−1.4ND
tyrBAromatic-amino-acid aminotransferase−1.4−2.4
cysKCysteine synthase A−1.4−3.8
yihKGTP-binding protein TypA/BipA−1.6−4.6
rplN50 S ribosomal protein L14−1.7−1.7
cysNSulfate adenylyltransferase subunit 1−1.72.3
gcdQuinoprotein glucose dehydrogenase−1.82.2
cysJSulfite reductase flavoprotein α-component−1.91.3
nlpALipoprotein 28−2.00
rplY50 S ribosomal protein L25−2.10.1
cysDSulfate adenylyltransferase subunit 2−2.12.9
ydfYProtein GnsB−2.1−1.2
hlpaChaperone protein Skp−2.2−4.8
b2379Uncharacterized aminotransferase YfdZ−2.41.3
oppAPeriplasmic oligopeptide-binding protein−2.5−4.6
cysPThiosulfate-binding protein−3.91.9
  • a Relative protein ratio 44/37 °C of proteins synthesized during a 15-min labeling period upon a change in growth temperature.

  • b Relative transcript ratio 50/37 °C as reported by Richmond et al. (53). ND, transcript ratio not determined.