>3tr4C (C:) observed residues (from ATOM records)
lvsagkgiddfnviieipanggevkyeydkelgfltvdrfmptsmrypcnygfvpstlaq
dgdpldvlvltpvpvqpgvlmrvralgimkmedeagedskvlavpvvkacrayeaiqslk
dissllldaishfferykdlepnkwakvkgwedkeaakkefeasivrf