load http://prodata.swmed.edu/DrugDomain/af_mmcifs/P20309.cif
orient
select P20309_nD1, resi 56-280 + resi 456-580
color blue, P20309_nD1
select resn 0HK
select br. all within 5 of sele
show sticks, sele
color magenta, sele
hide (organic)
hide (inorganic)
select resn 0HK
show sticks, sele
util.cbag sele
select resn HOH
hide (sele)
deselect