>4e2sG (G:) observed residues (from ATOM records)
piywkatnptlspshlqdlpgftrsvykrdhalitpeshvysplpdwtntlgaylitpat
gshfvmylakmkemsssglppqdierlifvvegavtltnssskkltvdsyaylppnfhhs
ldcvesatlvvferryeylgshttelivgstdkqplletpgevfelrkllpmsvaydfni
htmdfqpgeflnvkevhynqhgllllegqgiyrlgdnwypvqagdviwmapfvpqwyaal
gktrsryllykdvnrnpl