>3qnxB (B:) observed residues (from ATOM records)
qlvesggglvqpggslklscaasgftlsgsnvhwvrqasgkglewvgrikrnaesdatay
aasmrgrltisrddskntaflqmnslksddtamyycvirgdvynrqwgqgtlvtvssasp
tspkvfplslcstqpdgnvviaclvqgffpqeplsvtwsesgqgvtarnfppsqdasgdl
yttssqltlpatqclagksvtchvkhytnpsqdvtvpcp