>2y42A (A:) observed residues (from ATOM records)
smkvavlpgdgigpevteaalkvlraldeaeglglayevfpfggaaidafgepfpeptrk
gveeaeavllgsvggpkwdglprkirpetgllslrksqdlfanlrpakvfpglerlsplk
eeiargvdvlivreltggiyfgeprgmseaeawnteryskpevervarvafeaarkrrkh
vvsvdkanvlevgefwrktveevgrgypdvalehqyvdamamhlvrsparfdvvvtgnif
gdilsdlasvlpgslgllpsaslgrgtpvfepvhgsapdiagkgianptaailsaammle
hafglvelarkvedavakalletpppdlggsagteaftatvlrhlaa