>1tz7A (A:) observed residues (from ATOM records)
gshmrlagillhvtslpspygigdlgkeayrfldflkecgfslwqvlplnptsleagnsp
yssnslfagnyvlidpeelleedlikerdlkrfplgealyevvyeykkellekafknfrr
felledflkehsywlrdyalymaikeeegkewyewdeelkrrekealkrvlnklkgrfyf
hvfvqfvffkqweklrryarergisivgdlpmypsyssadvwtnpelfkldgdlkplfva
gvppdffsktgqlwgnpvynweehekegfrwwirrvlhnlklfdflrldhfrgfeaywev
pygeetavngrwvkapgktlfkkllsyfpknpfiaedlgfitdevrylretfkipgsrvi
efafydkesehlphnveennvyytsthdlppirgwfenlgeesrkrlfeylgreikeekv
neelirlvlisrakfaiiqmqdllnlgnearmnypgrpfgnwrwrikedytqkkefikkl
lgiygrev