>4nfgA (A:) observed residues (from ATOM records)
ktlvhvasvekgrsyedfqkvynaialklreddeydnyigygpvlvrlawhtsgtwdkhd
ntggsyggtyrfkkefndpsnaglqngfkflepihkefpwissgdlfslggvtavqemqg
pkipwragrvdtpedttpdngrlpdadkdadyvrtffqrlnmndrevvalmgahalgkth
lknsgyegpwgaannvftnefylnllnedwklekndanneqwdsksgymmlptdysliqd
pkylsivkeyandqdkffkdfskafekllengitfpkdapspfifktleeqgl