>4k4gM (M:) observed residues (from ATOM records)
atnhnlhiteklevlakaysvqgdkwralgyakainalksfhkpvtsyqeacsipgigkr
maekiieilesghlrkldhisesvpvlelfsniwgagtktaqmwyqqgfrsledirsqas
lttqqaiglkhysdflermpreeateieqtvqkaaqafnsgllcvacgsyrrgkatcgdv
dvlithpdgrshrgifsrlldslrqegfltddlvsqeengqqqkylgvcrlpgpgrrhrr
ldiivvpysefacallyftgsahfnrsmralaktkgmslsehalstavvrhgckvgpgrv
lptptekdvfrllglpyrepaerdwleh