>1t6nB (B:) observed residues (from ATOM records)
sgfrdfllkpellraivdcgfehpsevqhecipqailgmdvlcqaksgmgktavfvlatl
qqlepvtgqvsvlvmchtrelafqiskeyerfskympnvkvavffgglsikkdeevlkkn
cphivvgtpgrilalarnkslnlkhikhfildecdkmleqldmrrdvqeifrmtphekqv
mmfsatlskeirpvcrkfmqdpmeifv