>4jthB (B:) observed residues (from ATOM records)
mdikinditlgnnspfvlfgginvlesldstlqtcahyvevtrklgipyifkasfdkanr
ssihsyrgvgleeglkifekvkaefgipvitdvhephqcqpvaevcdviqlparlaqqtd
lvvamaktgnvvnikkpqflspsqmknivekfheagngklilcergssfgydnlvvdmlg
fgvmkqtcgnlpvifdvthslqgrraqaldlalagmatrlaglfleshlledflirikal
ddliksqpilt