rendering options:
unsigned Jmol applet
signed Jmol applet
JSmol (HTML5 only) Works on iPad! But use 'low power' setting @ lower left
JSmol (WebGL)

image display faster sharper
Processor power (choose SMALLER number if everything is laggy):
8 (fast machine)   7  6  5  4  3  2  1 (iPad or pokey)
spacefill wire ball&stick cartoons fancy not flat
color atomno color cpk color structure

console
Instructions




alpha Pro95=>Arg GOOD   beta Glu6=>Ala Same position as sickle; harmless  
alpha His87=>Tyr BEST   beta Phe42=>Ser GOOD  
alpha Leu136=>Pro BETTER   beta Gly74=>Asp Not yet  
alpha Arg141=>His not yet   beta His92=>Gln BETTER  
    beta His146=>Asp not yet