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. 2010 Sep 21;1(4):e00177-10. doi: 10.1128/mBio.00177-10

TABLE 2 .

Calculations of metabolic gain due to cotranscription

Abundance Complex No. of complexes per cell % contribution to dry cell mass Avg operon size % gain per operon Mass × gain (%)
High Translation apparatus heat shock proteins 20,000 10 4 2 0.2
Medium RNA polymerase β, β′ 4,000 1 2 3 0.03
Lowa Other (~500) (2.5 to 5) (4) (~10) (~0.25 to 0.5)
a

 Numbers are estimates of average values or ranges for these complexes.