>2pnrB (B:) observed residues (from ATOM records)
kqierysrfspsplsikqfldfgrdnacektsymflrkelpvrlantmrevnllpdnlln
rpsvglvqswymqsflelleyenkspedpqvldnflqvlikvrnrhndvvptmaqgviey
kekstniqyfldrfytnrisfrmlinqhtllfggdtnpvhpkhigsidptcnvadvvkda
yetakmlceqyylvapeleveefnakapdkpiqvvyvpshlfhmlfelfknsmratvely
edypavktlvtlgkedlsikisdlgggvplrkidrlfnymglpisrlyaryfqgdlklys
megvgtdaviylkalssesferlpvfnksawrhyktaddws