>4jb4A (A:) observed residues (from ATOM records)
lvhvasvekgrsyedfqkvynaialklreddeydnyigygpvlvrlawhtsgtwdkhdnt
ggsyggtyrfkkefndpsnaglqngfkflepihkefpwissgdlfslggvtavqemqgpk
ipwrcgrvdtpedttpdngrlpdadkdadyvrtffqrlnmndrevvalmgahalgkthlk
nsgyegpwgaannvftnefylnllnedwklekndanneqwdsksgymmlptdysliqdpk
ylsivkeyandqdkffkdfskafekllengitfpkdapspfifktleeqgl