Chains and heterogens:
PDB Chain Sequences:
>1b04A (A:) mdrqqaerraaelrellnrygyeyyvldrpsvpdaeydrlmqeliaieeqypelktsdsp tqriggppleafrkvahrvpmmslanafgegdlrdfdrrvrqevgeaayvcelaidglav svryedgyfvqgatrgdgttgeditenlktirslplrlkepvsleargeafmpkasflrl neerkargeelfanprnaaagslrqldpkvaasrqldlfvygladaealgiashsealdy lqalgfkvnperrrcanideviafvsewhdkrpqlpyeidgivikvdsfaqqralgatak sprwaiaykfpaeevvtt
>1b04A (A:) drqqaerraaelrellnrygyeyyvldrpsvpdaeydrlmqeliaieeqypelktsdspt qriggppleafrkvahrvpmmslanafgegdlrdfdrrvrqevgeaayvcelaidglavs vryedgyfvqgatrgdgttgeditenlktirslplrlkepvsleargeafmpkasflrln eerkarelfanprnaaagslrqldpkvaasrqldlfvygladaealgiashsealdylqa lgfkvnperrrcanideviafvsewhdkrpqlpyeidgivikvdsfaqqralgatakspr waiaykfpae
>1b04B (B:) mdrqqaerraaelrellnrygyeyyvldrpsvpdaeydrlmqeliaieeqypelktsdsp tqriggppleafrkvahrvpmmslanafgegdlrdfdrrvrqevgeaayvcelaidglav svryedgyfvqgatrgdgttgeditenlktirslplrlkepvsleargeafmpkasflrl neerkargeelfanprnaaagslrqldpkvaasrqldlfvygladaealgiashsealdy lqalgfkvnperrrcanideviafvsewhdkrpqlpyeidgivikvdsfaqqralgatak sprwaiaykfpaeevvtt
>1b04B (B:) mdrqqaerraaelrellnrygyeyyvldrpsvpdaeydrlmqeliaieeqypelktsdsp tqriggppleafrkvahrvpmmslanafgegdlrdfdrrvrqevgeaayvcelaidglav svryedgyfvqgatrgdgttgeditenlktirslplrlkepvsleargeafmpkasflrl neerkarelfanprnaaagslrqldpkvaasrqldlfvygladaealgiashsealdylq algfkvnperrrcanideviafvsewhdkrpqlpyeidgivikvdsfaqqralgataksp rwaiaykfpae