>4ls1A (A:) observed residues (from ATOM records)
tgderfyaehlmptlqglldpesahrlavrftslgllprarfqdsdmlevrvlghkfrnp
vgiaagfdkhgeavdglykmgfgfveigsvtpkpqegnprprvfrlpedqavinrygfns
hglsvvehrlrarqqkqakltedglplgvnlgknktsvdaaedyaegvrvlgpladylvv
nvsspntaglrslqgkaelrrlltkvlqerdglrrvhrpavlvkiapdltsqdkediasv
vkelgidglivtnttvsrpaglqgalrsetgglsgkplrdlstqtiremyaltqgrvpii
gvggvssgqdalekiragaslvqlytaltfwgppvvgkvkreleallkeqgfggvtdaig
adhrr