>1xd4A (A:) observed residues (from ATOM records)
eqtyydlvkafmaeirqyirelnliikvfrepfvsnsklfsandvenifsrivdihelsv
kllghiedtvemtdegsphplvgscfedlaeelafdpyesyardilrpgfhdrflsqlsk
pgaalylqsigegfkeavqyvlprlllapvyhclhyfellkqleeksedqedkeclkqai
tallnvqsgmekicskslakrrlsesaaikkmneiqknidgwegkdigqccnefimegtl
trvgakherhiflfdglmiccksnhgqprlpgasnaeyrlkekffmrkvqindkddtney
khafeiilkdensvifsaksaeeknnwmaalislqyrstlermldvtmlqeekeeqmrlp
sadvyrfaepdseeniifeegipiikagtviklierltyhmyadpnfvrtflttyrsfck
pqellsliierfeipepepteadriaiengdqplsaelkrfrkeyiqpvqlrvlnvcrhw
vehhfydferdayllqrmeefigtvrgkamkkwvesitkiiqrkkiahnitfqsspptve
whisrpghietfdlltlhpieiarqltllesdlyravqpselvgsvwtkedkeinspnll
kmirhttnltlwfekcivetenleervavvsriieilqvfqelnnfngvlevvsamnssp
vyrldhtfeqipsrqkkileeahelsedhykkylaklrsinppcvpffgiyltnilktee
gnpevlkrhgkelinfskrrkvaeitgeiqqyqnqpyclrvesdikrffenlnpmgnsme
keftdylfnksleieprnpkplprfpkkysyplkspgvrpsnpr