for (i=0;i<23;i++) {
if (i==0) {
load /wiki/images/5/51/1iy4_34-36.pdb;
select visible and (35.C, 35.O, 36);
hide all;
rotateSelected {35.CA} {35.C} 5.25523;
calculate structure;
} else {
load append ""; 
select visible and (35.C, 35.O, 36);
hide all;
rotateSelected {35.CA} {35.C} @{5.25523 + 15*i};
calculate structure;
}
draw id @{"psi1_" + i} plane {35.CA} {35.C} {35.N};
draw id @{"psi2_" + i} plane {35.CA} {35.C} {36.N};
color $psi1* moccasin;
color $psi2* sandybrown;  
}

draw phi1 plane fixed {35.N} {35.CA} {34.C};
color $phi1 thistle;
wireframe 0.12;
font label 14 Sans bold;
select *.CA; color [x70AB70]; label "C\u03B1"; color label green;
select *.C; color [xBF9090]; label "C=O"; color label indianred;
select *.N; label N;
select all;
color bonds [x999999];
select *.C,*.N;
define pepBonds selected;
color bonds [x404040];
select (34,36) and sidechain;
color translucent 0.3;
color bonds translucent 0.3;

set echo vPhi 0% 85%;
set echo vPhi left;
font echo 18 serif italic;
set echo vPsi 0% 80%;
set echo vPsi left;
color $vP* black;
select all;
set AnimFrameCallback "jmolscript:showPsi()" 
function showPsi() {
	var k = '\u03C8 = ' + {35 and visible}.psi % 0 + '\u00B0';
  set echo vPsi;
	echo @k;
}
set echo vPhi;
echo @{'\u03D5 = ' + {35/1.1}.phi % 0 + '\u00B0'};
frame rewind;
moveto 0 {426 -575 698 151.19} 85 0 0 {109.5 -2.1 -4.584} 7.74 {0 0 0} 0 0 0 3 0 0;
anim mode loop 0 0;
anim fps 2;
set measurementLabels off;
set measurements 0.05;
color measurements magenta;
measure delete;
measure range 0 1.6 all (36, 35.C, 35.O) ((34,35) and not (35.C, 35.O, 35.CA));
display all;