>4ax4A (A:) observed residues (from ATOM records)
mlsfqypdvyrdetaiqdyhghkvcdpyawledpdseqtkafveaqnkitvpfleqcpir
glykermtelydypkyschfkkgkryfyfyntglqnqrvlyvqdslegearvfldpnils
ddgtvalrgyafsedgeyfayglsasgsdwvtikfmkvdgakelpdvlervkfscmawth
dgkgmfynayptstnlhqklyyhvlgtdqsedilcaefpdepkwmggaelsddgryvlls
iregcdpvnrlwycdlqqesngitgilkwvklidnfegeydyvtnegtvftfktnrhspn
yrlinidftdpeeskwkvlvpehekdvlewvacvrsnflvlcylhdvkntlqlhdlatga
llkifplevgsvvgysgqkkdteifyqftsflspgiiyhcdltkeeleprvfrevtvkgi
dasdyqtvqifypskdgtkipmfivhkkgikldgshpaflygyggfnisitpnysvsrli
fvrhmggvlavanirgggeygetwhkggilankqncfddfqcaaeylikegytspkrlti
nggsnggllvatcanqrpdlfgcviaqvgvmdmlkfhkytighawttdygcsdskqhfew
likysplhnvklpeaddiqypsmllltadhddrvvplhslkfiatlqyivgrsrkqnnpl
lihvdtkagagagkptakvieevsdmfafiarclnidwip