>5xrfA (A:) observed residues (from ATOM records)
viggnecdtnehrflaafftsrpwtfqcagtliheewvlaaahcykrglniylgmhnqsi
qfddeqrryaieehyyrcdekltkwekdvvllklnkpvsnsthiaplslpssppsigsvc
rvmgwgimsstkdilpdvphcaninllnymecvahypdvpettrllcagvleggidtcnq
dsggplicdgqfqgivffgkypcaqpnkpglytrvsnyndwiqniiagktttacpp