>4dm3B (B:) observed residues (from ATOM records)
pdsapgqaavasayqrfepraylrnnyapprgdlcnpngvgpwklrclaqtfatgevsgr
tlidigsgptvyqllsacshfeditmtdflevnrqelgrwlqeepgafnwsmysqhacli
egkgecwqdkerqlrarvkrvlpidvhqpqplgagspaplpadalvsafcleavspdlas
fqraldhittllrpgghllligaleeswylagearltvvpvseeevrealvrsgykvrdl
rtyimpahlqtgvddvkgvffawaqkvg