>1u75C (C:) observed residues (from ATOM records)
ittplvhvasvekgrsyedfqkvynaialklreddeydnyigygpvlvrlawhisgtwdk
hdntggsyggtyrfkkefndpsnaglqngfkflepihkefpwissgdlfslggvtavqem
qgpkipwrcgrvdtpedttpdngrlpdadkdagyvrtffqrlnmndrevvalmgahalgk
thlknsgyegpwgaannvftnefylnllnedwklekndanneqwdsksgymmlptdysli
qdpkylsivkeyandqdkffkdfskafekllengitfpkdapspfifktleeqgl