>4r40A (A:) observed residues (from ATOM records)
vrieitqgvdsarpigvvpfkwmgpgtppeeigaivgadlrnsgkfnpidaarmpqqpst
aaevtpaawtalgidavvvgqvqpsadgsyvvsyqlvdtsgsagsilaqnqykvtkqwlr
ysahtvsdevfekltgikgafrtriayvvktnggkfphelrvsdydgynqfvvhrspepl
mspawspdgskiayvtfesgksalviqtlangairqvasfprhngapafspdgtklafal
sksgslnlyvmdlasgqisqvtdgrsnntepswfpdsqnlaytsdqggrpqvykvningg
vpqritwegsqnqnadvspdgkflvlvssnggaqhiakqdletgavqvltdtlldetpsi
apngtmviysstqglgsvlqlvstdgrfkarlpdgqvkfpawspyl