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. Author manuscript; available in PMC: 2012 Jul 1.
Published in final edited form as: J Mol Biol. 2011 May 5;410(1):50–59. doi: 10.1016/j.jmb.2011.04.070

Table 2.

Conversion of DNA-filled heads to phage. After in vitro DNA packaging, an extract that provided neck and tails components was added to the reaction to complete viral assembly and the formation of phage measured by plaque-forming units (pfu).

Mutuant pfu/ml
wild type 1.8 ± 0.3 × 1011
K234A 1.1 ± 0.5 × 108
K235A 2.6 ± 0.5 × 109
E236A 2.4 ± 0.6 × 1010
R237A 9.8 ± 3.9 × 107
extract 9.2 ± 6.1 × 107
wild type 9.0 ± 0.3 × 1010
K235A E236A R237A 6.4 ± 2.8 × 107
ΔN229-N246 6.7 ± 0.8 × 107
Extract* 8.0 × 107

Mean and standard deviation from three experiments (except where noted by * where n=1).