>1v8nA (A:) observed residues (from ATOM records)
rtylyrgrilnlalegryeivehkpavavialregrmlfvrqmrpavglapleipaglie
pgedpleaarrelaeetglsgdltylfsyfvspgftdekthvflaenlkeveievvwmrp
eealerhqrgevefsatglvgvlyyhaflr