Chains and heterogens:
PDB Chain Sequences:
>1orsA (A:) qivltqspaimsaslgdrvtmtctasssvsssylhwyqqkpgsspklwiystsnlasgvp arfsgsgsgtsysltissmeaedaatyychqfhrsltfgsgtkleikradaaptvsifpp sseqltsggasvvcflnnfypkdinvkwkidgserqngvlnswtdqdskdstysmsstlt ltkdeyerhnsytceathktstspivksfnrnec
>1orsB (B:) dvqlqesgpglvkpsqslsltctvtgysitnnyawnwirqfpgnklewmgyinysgttsy npslksrisitrdtsknqfflqlnsvttedtatyfcvrgydyfamdywgqgtsvtvssak ttppsvyplapgsaaqtnsmvtlgclvkgyfpepvtvtwnsgslssgvhtfpavlqsdly tlsssvtvpsstwpsetvtcnvahpasstkvdkkivprdcg
>1orsC (C:) dvmehplvelgvsyaallsvivvvveytmqlsgeylvrlylvdlilviilwadyayrayk sgdpagyvkktlyeipalvpagllalieghlaglglfrlvrllrflrilliisrgskfls aiadaadklvpr