>4xvaC (C:) observed residues (from ATOM records)
plvhvasvekgrsyedfqkvynaialklreddeydnyigygpvlvrlawhtsgtwdkhdn
tggsyggtyrfkkefndpsnaglqngfkflepihkefpwissgdlfslggvtavqemqgp
kipwrcgrvdtpedttpdngrlpdadkdadyvrtffqrlnmndrevvalmgahalgkthl
knsgyegpwgaannvftnefylnllnedwklekndanneqwdsksgymmlptdysliqdp
kylsivkeyandqdkffkdfskafekllengitfpkdapspfifktleeqgl