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Table 2 Large mobile elements found in safe strains.

From: The genome sequence of E. coli W (ATCC 9637): comparative genome analysis and an improved genome-scale reconstruction of E. coli

Insertion site W K-12 B Crooks
c - mom WMu (Mu) - - -
thrW tRNA - CP4-6 (CP4) - -
argU tRNA - DLP12 (λ) DLP12 (λ) -
ybhC-ybhB - - λ*B λ*Cr
rybB ncRNA Rybb*W (P2) - Rybb*B (P2) Rybb*Cr (P2)
icdA - e14 (λ) - -
ompW - - - -
ttcA Rac*W (λ) Rac (λ) Rac (λ) -
ydfJ Qin (λ) Qin (λ) Qin (λ) Qin (λ)
cobU-yeeX - CP4-44 (CP4) CP4-44 (CP4) -
cyaR RNA Wphi2 (P2) ogr-D' P2*B -
argW tRNA Argw*W (λ) CPS-53 (KpLE1) - -
eutA - CPZ-55 (CP4) - CrpLE1
ssrA tmRNA WpLE1 CP4-57 (CP4) Ssra*Ba CrpLE2
pheV tRNA - - Phev*B (CP4) CrpLE3
selC tRNA WpLE2 - Selc*B (CP4) Selc*Cr (CP4)
pheU tRNA - - - Pheu1*Cr (CP4)
cpxP-fieF Wphi1 (P2) - - -
pheU tRNA - - - Pheu2*Cr(CP4)
leuX tRNA WpLE3 KpLE2 KpLE2 KpLE2b
  1. a Prophage type is unknown
  2. b KpLE2 P4 integrase is interrupted by IS3
  3. A '-' means that no mobile element was found at that insertion site. Prophage types are shown in brackets. Strains are W (ATCC 9637), K-12 (MG1655), B (REL606), Crooks (ATCC 8739).