Chains and heterogens:
PDB Chain Sequences:
>1beyH (H:) qvqlqesgpglvrpsqtlsltctvsgftftdfymnwvrqppgrglewigfirdkakgytt eynpsvkgrvtmlvdtsknqfslrlssvtaadtavyycareghtaapfdywgqgslvtvs sastkgpsvfplapsskstsggtaalgclvkdyfpepvtvswnsgaltsgvhtfpavlqs sglyslssvvtvpssslgtqtyicnvnhkpsntkvdkkv
>1beyH (H:) qvqlqesgpglvrpsqtlsltctvsgftftdfymnwvrqppgrglewigfirdkakgytt eynpsvkgrvtmlvdtsknqfslrlssvtaadtavyycareghtaapfdywgqgslvtvs sastkgpsvfplapaalgclvkdyfpepvtvswnsgaltsgvhtfpavlqssglyslssv vtvpssslgtqtyicnvnhkpsntkvdkkv
>1beyL (L:) diqmtqspsslsasvgdrvtitckasqnidkylnwyqqkpgkapklliyntnnlqtgvps rfsgsgsgtdftftisslqpediatyyclqhisrprtfgqgtkveikrtvaapsvfifpp sdeqlksgtasvvcllnnfypreakvqwkvdnalqsgnsqesvteqdskdstyslsstlt lskadyekhkvyacevthqglsspvtksfnrgec