>2xpcA (A:) observed residues (from ATOM records)
adyqgknvviiglgltglscvdfflargvtprvmdtrmtppgldklpeaverhtgslnde
wlmaadlivaspgialahpslsaaadagieivgdielfcreaqapivaitgsngkstvtt
lvgemakaagvnvgvggniglpalmllddecelyvlelssfqlettsslqavaatilnvt
edhmdrypfglqqyraaklriyenakvcvvnaddaltmpirrcvsfgvnmgdyhlnhqqg
etwlrvkgekvlnvkemklsgqhnytnalaalaladaaglprasslkalttftglphrfe
vvlehngvrwindskatnvgsteaalnglhvdgtlhlllggdgksadfsplarylngdnv
rlycfgrdgaqlaalrpevaeqtetmeqamrllaprvqpgdmvllspacasldqfknfeq
rgnefarlakelgsh