>3msyC (C:) observed residues (from ATOM records)
ipmvaplarefrgshthrativtrvhtdagiigeaytgdehetmfdidriiheelaptli
gqdamaierlwdsgykvtfdilrdrrlglvalaavntaiwdavgkalkmplwklwggyrn
elpmiaiggyygeplgsiademhnyqelglagvkfkvgglsaaedaaritaareaagddf
iicidanqgykpavavdlsrriadlnirwfeepvewhndkrsmrdvryqgsvpvcagqte
fsasgcrdlmetgaidvcnfdsswsggptawlrtaaiatsydvqmghheepqvsthllas
qphgtiaecfhpdrdpfwwnmitnrpklnngtltlsdrpglgwdlnwdyidqyrv