background white
script 1.def
restrict rna and not backbone
wireframe 70
select helix2
color orange
select (oxygen,nitrogen) and selected
color cpk
restrict helix2, 945,909
select 909,945
color green
select a946.n7
label HELIX2
color label black 
set fontsize 
set fontstroke 0
select a909.n3
label Intercalation residue 1
select g945.c8
label Intercalation residue 2
center a909.c2
pause
select all
label off
select 909,945
color cpk
select carbon and selected
color gray
select 911, 923-924, 944, 926, within (12.0, 930)
wireframe off
select g910.n2,u925.c6,g945.o6
label %n%r
set fontstroke 1
bond 530,960
bond 208,960
bond 209,527
bond 208, 528
pause
restrict (912,923,909) and not backbone
wireframe 70
bond 183,486
bond 249,487
bond 186,483
bond 486,251
select u912.c6,a923.c2,a909.n9
label %n%r
center a923.n6