set title "GM1 pentasaccharide ball-and-stick representation"

set hidden3d
set border 0
unset xtics
unset ytics
unset ztics
set view equal xyz

splot 'GM1_sugar.pdb' using 6:7:8 with points lt 3 pt 7 ps 3 notitle, \
      'GM1_bonds.r3d' using 1:2:3:($5-$1):($6-$2):($7-$3) with vectors nohead lw 3 lt 1 \
      title "GM1 pentasaccharide"

pause -1 "Hit return to continue"
set title "Hidden3d mode with a mixture of surfaces, points, and lines"
replot 18 notitle

pause -1 "Hit return to continue"
reset