>2v7nA (A:) observed residues (from ATOM records)
divltqspatlslspgeratlscrasqsvssnylawyqqkpgqaprlliydsssratgvp
arfsgsgsgtdftltisslepedfavyychqysdisptfgqgtkveikrtvaapsvfifp
psdeqlksgtasvvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstyslsstl
tlskadyekhkvyacevthqglsspvtksfnrg