>2ff6A (A:) observed residues (from ATOM records)
talvcdngsglvkagfagddapravfpsivgrprkdsyvgdeaqskrgiltlkypiehgi
itnwddmekiwhhtfynelrvapeehptllteaplnpkanrekmtqimfetfnvpamyva
iqavlslyasgrttgivldsgdgvthnvpiyegyalphaimrldlagrdltdylmkilte
rgysfvttaereivrdikeklcyvaldfenemataassssleksyelpdgqvitignerf
rcpetlfqpsfigmesagihettynsimkcdidirkdlyannvmsggttmypgiadrmqk
eitalapstmkikiiapperkysvwiggsilaslstfqqmwitkqeydeagpsivhrkcf