>3dv3A (A:) observed residues (from ATOM records)
melkdddfekiselgagnggvvfkvshkpsglvmarklihleikpairnqiirelqvlhe
cnspyivgfygafysdgeisicmehmdggsldqvlkkagripeqilgkvsiavikgltyl
rekhkimhrdvkpsnilvnsrgeiklcdfgvsgqlidsmangtrsymsperlqgthysvq
sdiwsmglslvemavgrypipppdakelelmfpmaifelldyivnepppklpsgvfslef
qdfvnkcliknpaeradlkqlmvhafikrsdaeevdfagwlcstigln