>6hdtC (C:) observed residues (from ATOM records) msprqsaeafgvpavssswvnqdgstmtlvfgagnsvsgfyvnnapgfgcqgtpyplvgl twgnfigftvawdnatancnsvtswtgfaeaagsdvtivtdwnlayqgsssgeiqqgsdt ftlvn