>3s2aA (A:) observed residues (from ATOM records)
seesqafqrqltaligydvtdvsnvhddeleftrrglvtprmaevasrdpklyamhpwvt
skplpeylwkkianncifivihrsttsqtikvspddtpgaidfvlrvcgrdeylvgetpi
knfqwvrhclkngeeihvvldtppdpaldevrketvslwdcdrkfrvkirgidipvldlt
vfveaniqhgqqvlcqrrtspkpfteevlwnvwlefsikikdlpkgallnlqiycgkvql
lyyvnlllidhrfllrrgeyvlhmwqissfnadkltsatnpdkensmsisilldnhpial
pkhqempnqlrkqleaiiatdplnpltaedkellwhfryeslkhpkaypklfssvkwgqq
eivaktyqllarrevwdqsaldvgltmqlldcnfsdenvraiavqklesledddvlhyll
qlvqavkfepyhdsalarfllkrglrnkrighflfwflrseiaqsrhyqqrfavileayl
rgcgtamlhdftqqvqviemlqkvtldikslsaedvssqvisqlkqklenlqnsqlpesf
rvpydpglkagalaiekckvmaskkkplwlefkcadptalsnetigiifkhgddlrqdml
ilqilrimesiwetesldlcllpygcistgdkigmieivkdattiakiqqstvgntgafk
devlnhwlkekspteekfqaaverfvyscagycvatfvlgigdrhndnimitetgnlfhi
dfghikervpfvltpdflfvmgtsgkktsphfqkfqdicvkaylalrhhtnlliilfsmm
lmtgmpqltskedieyirdaltvgkneedakkyfldqievcrdkgwtvqfnwfl