Chains and heterogens:
PDB Chain Sequences:
>1racA (A:) anplyqkhiisindlsrddlnlvlataaklkanpqpellkhkviascffeastrtrlsfe tsmhrlgasvvgfsdsantslgkkgetladtisvistyvdaivmrhpqegaarlatefsg nvpvlnagdgsnqhptqtlldlftiqetqgrldnlhvamvgdlkygrtvhsltqalakfd gnrfyfiapdalampqyildmldekgiawslhssieevmaevdilymtrvqkerldpsey anvkaqfvlrasdlhnakanmkvlhplprvdeiatdvdktphawyfqqagngifarqall alvlnrdlvl
>1racB (B:) mthdnklqveaikrgtvidhipaqigfkllslfkltetdqritiglnlpsgemgrkdlik ientflsedqvdqlalyapqatvnridnyevvgksrpslperidnvlvcpnsncishaep vsssfavrkrandialkckycekefshnvvlan
>1racC (C:) anplyqkhiisindlsrddlnlvlataaklkanpqpellkhkviascffeastrtrlsfe tsmhrlgasvvgfsdsantslgkkgetladtisvistyvdaivmrhpqegaarlatefsg nvpvlnagdgsnqhptqtlldlftiqetqgrldnlhvamvgdlkygrtvhsltqalakfd gnrfyfiapdalampqyildmldekgiawslhssieevmaevdilymtrvqkerldpsey anvkaqfvlrasdlhnakanmkvlhplprvdeiatdvdktphawyfqqagngifarqall alvlnrdlvl
>1racD (D:) mthdnklqveaikrgtvidhipaqigfkllslfkltetdqritiglnlpsgemgrkdlik ientflsedqvdqlalyapqatvnridnyevvgksrpslperidnvlvcpnsncishaep vsssfavrkrandialkckycekefshnvvlan