>2vytB (B:) observed residues (from ATOM records)
ddfhweeylketgsisapsecfrqsqippvndfkvgmkleartsvciatvigitgarlrl
rldgsdnrndfwrlvdspdiqpvgtcekegdsemasatlfkkeppkpplnnfkvgmklea
idkknpylicpatigdvkgdevhitfdgwsgafdywckydsrdifpagwcrltgdvlqpp
gts