<mapID target="pdbmcviewer" url="html/features/pdbviewer.html"/>
<mapID target="pdbjmol" url="html/features/jmol.html"/>
<mapID target="chimera" url="html/features/chimera.html"/>
+ <mapID target="pymol" url="html/features/pymol.html"/>
<mapID target="chimera.annotxfer" url="html/features/chimera.html#annotxfer"/>
<mapID target="varna" url="html/features/varna.html"/>
<mapID target="xsspannotation" url="html/features/xsspannotation.html"/>