>1tc6A (A:) observed residues (from ATOM records)
fafqaevnrmmkliinslyknkeiflrelisnasdaldkirlisltdenalagneeltvk
ikcdkeknllhvtdtgvgmtreelvknlgtiaksgtseflnkmteaqedgqstseligqf
gvgfysaflvadkvivtskhnndtqhiwesdsnefsviadprgntlgrgttitlvlkeea
sdyleldtiknlvkkysqfinfpiyvwssktgktvwdwelmn