图5
BKPyV VP1中的K68S突变改变了从GD3到GM1聚糖的聚糖特异性。前三个光谱：GD31H参考谱、野生型BKPyV VP1–GD3聚糖STD-NMR差谱和K68S突变型BKPy V VP1-GD3 STD-NMR差谱。底部四个光谱：GM11H参考谱、SV40 VP1–GM1聚糖STD-NMR差谱、K68S突变型BKPyV VP1–GM 1 STD-NMR差谱和野生型BKPy V VP1-GM 1聚糖STD NMR差光谱。HDO和甲基组信号被截断。在283 K下记录核磁共振谱，并参考298 K；STD饱和时间为2s。 |
![[图5]](https://translate.baiducontent.com/transpage?cb=translateCallback&ie=utf8&source=url&query=http%3A%2F%2Fjournals.iucr.org%2Ff%2Fissues%2F2018%2F08%2F00%2Fir5003%2Fir5003fig5mag.jpg&from=en&to=zh&token=&monLang=zh){kind=spacer}
![[图5]](ir5003fig5.jpg)
