##   id ab_resistance shield_glycans region env_length
## 1  1    -0.9208188              3   Asia        858
## 2  2    -2.0000000              3   Asia        856
## 3  3     0.3824529              5   Asia        849
## 4  4     0.9632399              4   Asia        855
## 5  5     0.6155303              4   Asia        863
## 6  6    -0.2743088              5   Asia        864