>4lg4A (A:) observed residues (from ATOM records)
sltkqpeevfdvleklgeygsvfkaihkesgqvvaikqvpvesdlqeiikeisimqqcds
pyvvkyygsyfkntdlwivmeycgagsvsdiirlrnktliedeiatilkstlkgleylhf
mrkihrnikagnillnteghakladfgvagqltdtmakrntvigtpfwmapeviqeigyn
cvadiwslgitsiemaegkppyadihpmraifmiptnppptfrkpelwsddftdfvkkcl
vknpeqratatqllqhpfiknakpvsilrdliteameikakrheeqqre