From: Structure-based directed evolution improves S. cerevisiae growth on xylose by influencing in vivo enzyme performance
Residue
Variants
Codons
Freq. WT
S141
S I V A T G N
RBCā+āAAC
0.14
T142
T S
ASC
0.5
A143
A T G S
RSC
0.25
N144
N L Q T
CWGā+āAMC
V145
V L I C
VTTā+āTGC
G147
G A T S