>3tr4E (E:) observed residues (from ATOM records)
lvsagkgiddfnviieipanggevkyeydkelgfltvdrfmptsmrypcnygfvpstlaq
dgdpldvlvltpvpvqpgvlmrvralgimkmedeagedskvlavpvvkacrayeaiqslk
dissllldaishfferykdlepnkwakvkgwedkeaakkefeasivrfkek