>4u7zA (A:) observed residues (from ATOM records)
melkdddfekiselgagnggvvfkvshkpsglvmarklihleikpairnqiirelqvlhe
cnspyivgfygafysdgeisicmehmdggsldqvlkkagripeqilgkvsiavikgltyl
rekhkimhrdvkpsnilvnsrgeiklcdfgvsgqlidsmansvgtrsymsperlqgthys
vqsdiwsmglslvemavgrypipppdakelelmfppmaifelldyivnepppklpsgvfs
lefqdfvnkcliknpaeradlkqlmvhafikrsdaeevdfagwlcstigln