Chains and heterogens:
PDB Chain Sequences:
>1at1A (A:) anplyqkhiisindlsrddlnlvlataaklkanpqpellkhkviascffeastrtrlsfq tsmhrlgasvvgfsdsantslgkkgetladtisvistyvdaivmrhpqegaarlatefsg nvpvlnagdgsnqhptqtlldlftiqqtegrldnlhvamvgdlkygrtvhsltqalakfd gnrfyfiapdalampeyildmldekgiawslhssieevmaevdilymtrvqkerldpsey anvkaqfvlrasdlhnakanmkvlhplprvdeiatdvdktphawyfqqagngifarqall alvlnrdlvl
>1at1B (B:) mthdnklgveaikrgtvidhipaqigfkllslfkltetdqritiglnlpsgemgrkdlik ientflsedqvdqlalyapqatvnridnyevvgksrpslperidnvlvcpnsncishaep vsssfavrkrandialkckycekefshnvvlan
>1at1B (B:) gveaikrgtvidhipaqigfkllslfkltetdqritiglnlpsgemgrkdlikientfls edqvdqlalyapqatvnridnyevvgksrpslperidnvlvcpnsncishaepvsssfav rkrandialkckycekefshnvvlan
>1at1C (C:) anplyqkhiisindlsrddlnlvlataaklkanpqpellkhkviascffeastrtrlsfq tsmhrlgasvvgfsdsantslgkkgetladtisvistyvdaivmrhpqegaarlatefsg nvpvlnagdgsnqhptqtlldlftiqqtegrldnlhvamvgdlkygrtvhsltqalakfd gnrfyfiapdalampeyildmldekgiawslhssieevmaevdilymtrvqkerldpsey anvkaqfvlrasdlhnakanmkvlhplprvdeiatdvdktphawyfqqagngifarqall alvlnrdlvl
>1at1D (D:) mthdnklgveaikrgtvidhipaqigfkllslfkltetdqritiglnlpsgemgrkdlik ientflsedqvdqlalyapqatvnridnyevvgksrpslperidnvlvcpnsncishaep vsssfavrkrandialkckycekefshnvvlan
>1at1D (D:) gveaikrgtvidhipaqigfkllslfkltetdqritiglnlpsgemgrkdlikientfls edqvdqlalyapqatvnridnyevvgksrpslperidnvlvcpnsncishaepvsssfav rkrandialkckycekefshnvvlan