>2ps2D (D:) observed residues (from ATOM records)
dlkiaridvfqvdlpysggvyylsfdativrittdtgiegwgestpfgsnyiashprgvr
agiatmapsligldprrvdrindamddallghedaktaidvacwdifgksvglpvcellg
grtntrlplissiyvgepedmrarvakyrakgykgqsvkisgepvtdakritaalanqqp
deffivdangklsvetalrllrllphgldfaleapcatwrecislrrktdipiiydelat
nemsivkiladdaaegidlkiskaggltrgrrqrdiclaagysvsvqetcgsdiafaaiv
hlaqtiperslrcilecrdmvtvktadgafdiqdgfatapttpglgimprldvlgeavas
y