>2ierB (B:) observed residues (from ATOM records)
glektvkeklsfegvgihtgeyskliihpekegtgirffkngvyiparhefvvhtnhstd
lgfkgqriktvehilsvlhlleitnvtievigneipildgsgwefyeairknilnqnrei
dyfvveepiivedegrlikaepsdtlevtyegefknflgrqkftfvegneeeivlartfa
fdweiehikkvglgkggslkntlvlgkdkvynpeglryenepvrhkvfdligdlyllgsp
vkgkfysfrgghslnvklvkelakkqk