>4db1A (A:) observed residues (from ATOM records)
ggdsemavfgaaapylrksekerleaqtrpfdlkkdvfvpddkqefvkakivsreggkvt
aeteygktvtvkedqvmqqnppkfdkiedmamltflhepavlynlkdrygswmiytysgl
fcvtvnpykwlpvytpevvaayrgkkrseapphifsisdnayqymltdrenqsilitges
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irihfgatgklasadietylleksrvifqlkaerdyhifyqilsnkkpelldmllitnnp
ydyafisqgettvasiddaeelmatdnafdvlgftseeknsmykltgaimhfgnmkfklk
qreeqaepdgteeadksaylmglnsadllkglchpryvtkgqnvqqviyatgalakavye
rmfnwmvtrinatletkqprqyfigvldiagfeifdfnsfeqlcinftneklqqffnhhm
fvleqeeykkegiewtfidfgmdlqacidliekpmgimsileeecmfpkatdmtfkaklf
dnhlgksanfqkprnpeahfslihyagivdyniigwlqknkdplnetvvglyqksslkll
stlfanyafqtvsalhrenlnklmtnlrsthphfvrciipnetkspgvmdnplvmhqlrc
ngvlegiricrkgfpnrilyaekllssldidhnqykfghtkvffkagllglleemr