>4e2sD (D:) observed residues (from ATOM records)
piywkatnptlspshlqdlpgftrsvykrdhalitpeshvysplpdwtntlgaylitpat
gshfvmylakmkemsssglppqdierlifvvegavtltnssskkltvdsyaylppnfhhs
ldcvesatlvvferryeylgshttelivgstdkqplletpgevfelrkllpmsvaydfni
htmdfqpgeflnvkevhynqhgllllegqgiyrlgdnwypvqagdviwmapfvpqwyaal
gktrsryllykdvnrnpl