| Process/Enzyme | Gene | Size (kDa) | Molecules/Cell |
|---|---|---|---|
|
Initiation |
|||
| Dna-A | dnaA | 52 | 1,000 |
| HU-a | hupA | 9.59 | 40,000 |
| HU-b | hupB | 9.5 | 40,000 |
| IHF-a | himA | 11.2 | 3,000 |
| IHF-b | himD | 10.6 | 3,000 |
| FIS | fis | 2 x 11.2 | 30,000 |
| RNA polymerase | 450 | 500 | |
| alpha (a ) | rpoA | 36.5 | |
| beta(b ) | rpoB | 151 | |
| beta prime (b ') | rpoC | 156 | |
| sigma (s ) | rpoD | 70 | |
| Initiation/Elongation | |||
| Helicase | dnaB | 6 x 50 | 20 |
| DNAC | dnaC | 6 x 29 | 20 |
| Primase | dnaG | 60 | 50-100 |
| DNA Gyrase | gryA | 2 x 97 | 200 |
| gryB | 2 x 90 | ||
| SSB | ssb | 4 x 19 | 500 |
|
Elongation |
|||
|
Polymerase III |
918 | 10-20 | |
|
(a e q b 2t 2)(a e q b 2g 2(d d 'c y )2) |
|||
| a | dnaE | 130 | |
| t | dnaX | 71 | |
| g | dnaX | 47.5 | |
| b | dnaN | 40.6 | |
| d | holA | 34 | |
| d ' | holB | 32 | |
| e | dnaO | 27.5 | |
| c | holC | 14 | |
| y | holD | 12 | |
| q | holE | 10 | |
| Polymerase I | polA | 103 | 300 |
| Ligase | lig | 75 | 300 |