Chains and heterogens:
PDB Chain Sequences:
>2xupA (A:) egredpqllvrvrggqlrgirlkapggpvsaflgipfaeppvgsrrfmppepkrpwsgvl dattfqnvcyqyvdtlypgfegtemwnpnrelsedclylnvwtpyprpasptpvliwiyg ggfysgaasldvydgrflaqvegavlvsmnyrvgtfgflalpgsreapgnvglldqrlal qwvqeniaafggdpmsvtlfgesagaasvgmhilslpsrslfhravlqsgtpngpwatvs agearrratllarlvgcppggaggndteliaclrtrpaqdlvdhewhvlpqesifrfsfv pvvdgdflsdtpealintgdfqdlqvlvgvvkdegsaflvygvpgfskdneslisraqfl agvrigvpqasdlaaeavvlhytdwlhpedpthlrdamsavvgdhnvvcpvaqlagrlaa qgarvyayifehrastltwplwmgvphgyeiefifglpldpslnytteerifaqrlmkyw tnfartgdpndprdskspqwppyttaaqqyvslnlkplevrrglraqtcafwnrflpkll sat
>2xupA (A:) egredpqllvrvrggqlrgirlkapggpvsaflgipfaeppvgsrrfmppepkrpwsgvl dattfqnvcyqyvdtlypgfegtemwnpnrelsedclylnvwtpyprpasptpvliwiyg ggfysgaasldvydgrflaqvegavlvsmnyrvgtfgflalpgsreapgnvglldqrlal qwvqeniaafggdpmsvtlfgesagaasvgmhilslpsrslfhravlqsgtpngpwatvs agearrratllarlvgcppndteliaclrtrpaqdlvdhewhvlpqesifrfsfvpvvdg dflsdtpealintgdfqdlqvlvgvvkdegsaflvygvpgfskdneslisraqflagvri gvpqasdlaaeavvlhytdwlhpedpthlrdamsavvgdhnvvcpvaqlagrlaaqgarv yayifehrastltwplwmgvphgyeiefifglpldpslnytteerifaqrlmkywtnfar tgdpndprdskspqwppyttaaqqyvslnlkplevrrglraqtcafwnrflpkllsat
>2xupB (B:) egredpqllvrvrggqlrgirlkapggpvsaflgipfaeppvgsrrfmppepkrpwsgvl dattfqnvcyqyvdtlypgfegtemwnpnrelsedclylnvwtpyprpasptpvliwiyg ggfysgaasldvydgrflaqvegavlvsmnyrvgtfgflalpgsreapgnvglldqrlal qwvqeniaafggdpmsvtlfgesagaasvgmhilslpsrslfhravlqsgtpngpwatvs agearrratllarlvgcppggaggndteliaclrtrpaqdlvdhewhvlpqesifrfsfv pvvdgdflsdtpealintgdfqdlqvlvgvvkdegsaflvygvpgfskdneslisraqfl agvrigvpqasdlaaeavvlhytdwlhpedpthlrdamsavvgdhnvvcpvaqlagrlaa qgarvyayifehrastltwplwmgvphgyeiefifglpldpslnytteerifaqrlmkyw tnfartgdpndprdskspqwppyttaaqqyvslnlkplevrrglraqtcafwnrflpkll sat
>2xupB (B:) edpqllvrvrggqlrgirlkapggpvsaflgipfaeppvgsrrfmppepkrpwsgvldat tfqnvcyqyvdtlypgfegtemwnpnrelsedclylnvwtpyprpasptpvliwiygggf ysgaasldvydgrflaqvegavlvsmnyrvgtfgflalpgsreapgnvglldqrlalqwv qeniaafggdpmsvtlfgesagaasvgmhilslpsrslfhravlqsgtpngpwatvsage arrratllarlvgcppaggndteliaclrtrpaqdlvdhewhvlpqesifrfsfvpvvdg dflsdtpealintgdfqdlqvlvgvvkdegsaflvygvpgfskdneslisraqflagvri gvpqasdlaaeavvlhytdwlhpedpthlrdamsavvgdhnvvcpvaqlagrlaaqgarv yayifehrastltwplwmgvphgyeiefifglpldpslnytteerifaqrlmkywtnfar tgdpndprdskspqwppyttaaqqyvslnlkplevrrglraqtcafwnrflpkllsat