>2xugB (B:) observed residues (from ATOM records)
edpqllvrvrggqlrgirlkapggpvsaflgipfaeppvgsrrfmppepkrpwsgvldat
tfqnvcyqyvdtlypgfegtemwnpnrelsedclylnvwtpyprpasptpvliwiygggf
ysgaasldvydgrflaqvegavlvsmnyrvgtfgflalpgsreapgnvglldqrlalqwv
qeniaafggdpmsvtlfgesagaasvgmhilslpsrslfhravlqsgtpngpwatvsage
arrratllarlvgcppndteliaclrtrpaqdlvdhewhvlpqesifrfsfvpvvdgdfl
sdtpealintgdfqdlqvlvgvvkdegsaflvygvpgfskdneslisraqflagvrigvp
qasdlaaeavvlhytdwlhpedpthlrdamsavvgdhnvvcpvaqlagrlaaqgarvyay
ifehrastltwplwmgvphgyeiefifglpldpslnytteerifaqrlmkywtnfartgd
pndprdskspqwppyttaaqqyvslnlkplevrrglraqtcafwnrflpkllsata