Bioresources and Bioprocessing

Table 2 The changes of amino acid concentration during feather degradation process by the variant T18

From: Directed evolution driving the generation of an efficient keratinase variant to facilitate the feather degradation

Amino acid	Concentration (mg/L)
Amino acid	0 h	12 h	24 h	36 h
asp	25.09 ± 0.31	44.05 ± 1.47	28.99 ± 1.80	23.71 ± 4.58
glu	41.12 ± 0.16	122.94 ± 3.16	11.85 ± 2.63	17.32 ± 4.12
ser	0.88 ± 0.80	12.99 ± 0.66	1.92 ± 1.32	0.80 ± 0.59
his	21.03 ± 1.82	269.73 ± 0.45	23.01 ± 1.70	17.31 ± 4.78
gly	22.16 ± 0.13	219.54 ± 6.42	56.85 ± 7.11	3.18 ± 0.27
thr	5.27 ± 0.21	917.09 ± 24.37	272.72 ± 5.64	537.47 ± 12.29
arg	11.31 ± 0.56	25.09 ± 0.43	0.58 ± 0.042	1.06 ± 0.51
ala	32.5 ± 0.62	23.80 ± 0.14	2.61 ± 0.70	3.64 ± 0.42
tyr	146.01 ± 2.09	387.42 ± 5.94	121.41 ± 4.24	114.32 ± 7.87
cys	6.38 ± 0.69	14.56 ± 1.47	4.84 ± 0.67	4.26 ± 0.50
val	165.18 ± 0.83	389.84 ± 22.32	22.86 ± 12.06	22.66 ± 2.60
met	116.92 ± 2.81	370.51 ± 15.36	72.61 ± 6.84	44.6 ± 6.52
phe	199.02 ± 0.95	688.07 ± 14.47	152.44 ± 14.56	154.41 ± 1.88
ile	63.84 ± 0.88	55.39 ± 1.64	1.80 ± 0.30	1.23 ± 0.24
leu	180.32 ± 1.63	349.90 ± 8.14	7.16 ± 1.28	6.57 ± 0.93
lys	282.93 ± 5.09	1066.35 ± 13.87	187.07 ± 6.01	149.06 ± 13.82
pro	231.74 ± 12.78	14.43 ± 1.70	113.69 ± 16.87	111.81 ± 12.49

Back to article page