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. 2010 Jan;184(1):43–52. doi: 10.1534/genetics.109.108548

TABLE 2.

Mutant terminases with broad packaging specificity

Line Helper Passive prophage Prophage yielda (SEM)b Passive prophage Prophage yielda (SEM)b Discrimination indexc
1 λ-P1 Nu1+ λ 1.02 (0.36) 21 3.24 (1.37) × 10−5 3.1 × 104
2 λ-P1 Nu1hy51 (H21 T21H21 w21) λ 8.02 (0.9) × 10−5 21 2.62 (0.29) 3.3 × 104
3 λ-P1 Nu1hy2 (H21 T21H21 wλ) λ 2.9 (0.55) × 10−6 21 2.15 (0.175) 7.4 × 105
4 λ-P1 Nu1hy1 (Hλ TλH21 wλ) λ 0.27 (0.040) 21 2.86 (0.40) 1.1 × 101
5 λ-P1 Nu1hy1E20D λ 0.36 (0.14) 21 0.41 (0.17) 1.1
6 λ-P1 Nu1hy1E20G λ 1.03 (0.14) 21 1.90 (0.35) 1.8
7 λ-P1 Nu1hy1Q23R λ 0.70 (0.14) 21 1.12 (0.22) 1.6
8 λ-P1 Nu1hy1Q23K λ 1.35 (0.18) 21 1.29 (0.21) 0.95
9 λ-P1 Nu1hy1L40I λ 0.90 (0.20) 21 2.55 (0.17) 2.8
10 λ-P1 Nu1hy3 (H21 TλH21 wλ) λ 0.03 (0.006) 21 1.63 (0.24) 54
11
λ-P1 Nu1hy4 (Hλ T21H21 wλ)
λ
0.15 (0.04)
21
1.72 (0.33)
11
a

Plaque-forming units/induced lysogen.

b

Values in parentheses are the standard error of the mean (3 ≤ n ≤ 5).

c

Discrimination index is the yield of the cognate passive prophage/yield of the noncognate passive prophage.