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Table 4 Effect of amino acids on NcLPMO9C activity

From: Improved spectrophotometric assay for lytic polysaccharide monooxygenase

 

Residual activity (%)

Hydrocoerulignone

2,6-DMP

Arg (R)

43.9 ± 0.7

34.0 ± 3.1

His (H)

0.3 ± 0.3

0.1 ± 0.1

Lys (K)

53.5 ± 2.7

36.0 ± 3.7

Asp (D)a

39.9 ± 3.3

50.8 ± 1.5

Glu (E)a

57.4 ± 2.0

46.5 ± 4.8

Ser (S)

19.1 ± 0.9

34.6 ± 1.2

Thr (T)

13.0 ± 0.5

18.5 ± 1.6

Asn (N)

10.8 ± 0.4

10.6 ± 0.7

Gln (Q)

25.2 ± 0.9

35.9 ± 1.6

Cys (C)

3.7 ± 0.2

0.1 ± 0.1

Gly (G)

49.1 ± 1.2

44.0 ± 3.4

Pro (P)

48.5 ± 1.6

37.1 ± 1.1

Ala (A)

39.9 ± 1.7

62.5 ± 0.3

Val (V)

23.3 ± 2.3

42.4 ± 2.2

Ile (I)

35.5 ± 0.9

47.9 ± 3.2

Leu (L)

38.6 ± 1.1

49.1 ± 0.8

Met (M)

12.0 ± 0.6

21.7 ± 1.7

Phe (F)

7.5 ± 0.4

14.9 ± 0.1

Tyr (Y)a

81.5 ± 3.6

91.8 ± 8.3

Trp (W)a

3.5 ± 0.4

16.2 ± 2.3

  1. Assays and calculations were performed as indicated in Table 2. Data expressed as mean values (± SD), from three independent repeats
  2. aAsp (D), Glu (E), Trp (W) 45 mM; Tyr (Y) 2 mM