>2fctB (B:) observed residues (from ATOM records)
kfaltaeqrasfekngfigpfdayspeemketwkrtrlrlldrsaaayqdnianydrhld
ddflashicrpeicdrvesilgpnvlcwrteffpkypgdegtdwhqadtfanasgkpqii
wpeneefggtitvwtaftdaniangclqfipgtqnsmnydetkrmtyepdannsvvkdgv
rrgffgydyrqlqidenwkpdeasavpmqmkagqfiifwstlmhasyphsgesqemrmgf
asryvpsfvhvypdsdhieeyggrislekygavqvigdetpeynrlvthttrgkkfeav