anti-parallel antiparallel anti-parallel [en] Antiparallel anti-parallel anti-parallel anti-parallel http://en.wikipedia.org/wiki/Antiparallel_(biochemistry) antiparallel anti-parallel English anti-parallel English anti-parallel anti-parallel antiparallel antiparallel antiparallel antiparallel anti-parallel anti-parallel anti-parallel antiparallel anti-parallel antiparallel antiparallel antiparallel anti-parallel anti-parallel English antiparallel anti-parallel anti-parallel antiparallel anti-parallel en:Antiparallel_(biochemistry) antiparallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel antiparallel antiparallel anti-parallel antiparallel anti-parallel