>2w3rA (A:) observed residues (from ATOM records)
meiafllngetrrvriedptqsllewlraegltgtkegcnegdcgactvmirdaagsrav
naclmmlpqiagkalrtiegiaapdgrlhpvqqamidhhgsqcgfctpgfivsmaaahdr
drkdyddllagnlcrctgyapilraaeaaageppadwlqadaaftlpaflpetsdaladw
ylahpeatliaggtdvslwvtkalrdlpevaflshckdlaqiretpdgygigagvtiaal
rafaegphpalagllrrfaseqvrqvatiggniangspigdgppaliamgasltlrrgqe
rrrmpledffleyrkqdrrpgefvesvtlpksapglrcyklskrfdqdisavcgclnltl
kgskietariafggmagvpkraaafeaaligqdfredtiaaalpllaqdftplsdmrasa
ayrmnaaqamalryvrelsgeavavlevmp