PYMOL显示底物周围surface
load $TUT/1hpv.pdb, tmp
extract lig, organic
extract prot, polymer
delete tmp
set surface_carve_cutoff, 5
set surface_carve_selection, lig
set surface_carve_normal_cutoff, -0.5
set surface_cavity_mode, 1
set surface_smooth_edges, 1
set surface_proximity, 1
set transparency, 0.6
set ray_shadows, 0
set two_sided_lighting
show surface, prot within 5 of lig
show sticks, lig
orient lig
set surface_color, limegreen
set surface_type, 2 # mesh
png overview.png, 20cm, 18cm, dpi=300, ray=1