>6a23A (A:) observed residues (from ATOM records)
yvsladleraardvlpgeifdflaggsgteaslvanrtalervfviprmlrdltdvttei
difgrraalpmavapvayqrlfhpegelavaraardagvpytictlssvsleeiaavggr
pwfqlfwlrdekrsldlvrraedagceaivftvdvpwmgrrlrdmrngfalpewvtaanf
dfapatwesveavrahtdlpvvlkgilavedarravdagaggivvsnhggrqldgavpgi
emlgeivaavsggcevlvdggirsggdvlkatalgasavlvgrpvmwalaaagqdgvrql
lellaeevrdamglagcesvgaarrlntklgvv