>3u1sL (L:) observed residues (from ATOM records)
vvitqsplflpvtpgeaaslsckcshslqhstganylawylqrpgqtprllihlathras
gvpdrfsgsgsgtdftlkisrvesddvgtyycmqglhspwtfgqgtkveikrtvaapsvf
ifppsdeqlksgtasvvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstysls
stltlskadyekhkvyacevthqglsspvtksfnrge