>1t6nA (A:) observed residues (from ATOM records)
sgfrdfllkpellraivdcgfehpsevqhecipqailgmdvlcqaksgmgktavfvlatl
qqlepvtgqvsvlvmchtrelafqiskeyerfskympnvkvavffgglsikkdeevlkkn
cphivvgtpgrilalarnkslnlkhikhfildecdkmleqldmrrdvqeifrmtphekqv
mmfsatlskeirpvcrkfmqdpmeifv