helix_nucleotides, vmd 
 E|G:100-E|C:103 -> E|G:144-E|U:147,chain  E and resid 100 to 103   chain  E and resid 144 to 147
 E|G:114-E|C:115 -> E|G:133-E|C:134,chain  E and resid 114 to 115   chain  E and resid 133 to 134
 E|G:105-E|G:110 -> E|C:117-E|C:122,chain  E and resid 105 to 110   chain  E and resid 117 to 122
 E|G:113 -> E|C:137,chain  E and resid 113  to 137
 E|U:128-E|C:131 -> E|G:140-E|A:143,chain  E and resid 128 to 131   chain  E and resid 140 to 143