>3x36A (A:) observed residues (from ATOM records)
dslrpklseeqqriiailldahhktydptysdfcqfrppvrvndggsvtlelsqlsmlph
ladlvsysiqkvigfakmipgfrdltsedqivllkssaievimlrsnesftmddmswtcg
nqdykyrvsdvtkaghslelieplikfqvglkklnlheeehvllmaicivspdrpgvqda
alieaiqdrlsntlqtyircrhpppgshllyakmiqkladlrslneehskqyrclsfqpe
csmkltplvlevfg