Chains and heterogens:
PDB Chain Sequences:
>7at1A (A:) anplyqkhiisindlsrddlnlvlataaklkanpqpellkhkviascffeastrtrlsfq tsmhrlgasvvgfsdsantslgkkgetladtisvistyvdaivmrhpqegaarlatefsg nvpvlnagdgsnqhptqtlldlftiqqtegrldnlhvamvgdlkygrtvhsltqalakfd gnrfyfiapdalampeyildmldekgiawslhssieevmaevdilymtrvqkerldpsey anvkaqfvlrasdlhnakanmkvlhplprvdeiatdvdktphawyfqqagngifarqall alvlnrdlvl
>7at1B (B:) mthdnklgveaikrgtvidhipaqigfkllslfkltetdqritiglnlpsgemgrkdlik ientflsedqvdqlalyapqatvnridnyevvgksrpslperinnvlvcpnsncishaep vsssfavrkrandialkckycekefshnvvlan
>7at1B (B:) gveaikrgtvidhipaqigfkllslfkltetdqritiglnlpsgemgrkdlikientfls edqvdqlalyapqatvnridnyevvgksrpslperidnvlvcpnsncishaepvsssfav rkrandialkckycekefshnvvlan
>7at1C (C:) anplyqkhiisindlsrddlnlvlataaklkanpqpellkhkviascffeastrtrlsfq tsmhrlgasvvgfsdsantslgkkgetladtisvistyvdaivmrhpqegaarlatefsg nvpvlnagdgsnqhptqtlldlftiqqtegrldnlhvamvgdlkygrtvhsltqalakfd gnrfyfiapdalampeyildmldekgiawslhssieevmaevdilymtrvqkerldpsey anvkaqfvlrasdlhnakanmkvlhplprvdeiatdvdktphawyfqqagngifarqall alvlnrdlvl
>7at1D (D:) mthdnklgveaikrgtvidhipaqigfkllslfkltetdqritiglnlpsgemgrkdlik ientflsedqvdqlalyapqatvnridnyevvgksrpslperinnvlvcpnsncishaep vsssfavrkrandialkckycekefshnvvlan
>7at1D (D:) gveaikrgtvidhipaqigfkllslfkltetdqritiglnlpsgemgrkdlikientfls edqvdqlalyapqatvnridnyevvgksrpslperidnvlvcpnsncishaepvsssfav rkrandialkckycekefshnvvlan