Chains and heterogens:
PDB Chain Sequences:
>2zisA (A:) maategvgesapggepgqpeqpppppppppaqqpqeeemaaeageaaaspmddgflslds ptyvlyrdraewadidpvpqndgpspvvqiiysekfrdvydyfravlqrderserafklt rdaielnaanytvwhfrrvllrslqkdlqeemnyitaiieeqpknyqvwhhrrvlvewlk dpsqelefiadilnqdaknyhawqhrqwviqefrlwdnelqyvdqllkedvrnnsvwnqr hfvisnttgysdravlerevqytlemiklvphnesawnylkgilqdrglsrypnllnqll dlqpshsspyliaflvdiyedmlenqcdnkedilnkalelceilakekdtirkeywryig rslqskhsresdipasv
>2zisA (A:) flsldsptyvlyrdraewadidpvpqndgpspvvqiiysekfrdvydyfravlqrderse rafkltrdaielnaanytvwhfrrvllrslqkdlqeemnyitaiieeqpknyqvwhhrrv lvewlkdpsqelefiadilnqdaknyhawqhrqwviqefrlwdnelqyvdqllkedvrnn svwnqrhfvisnttgysdravlerevqytlemiklvphnesawnylkgilqdrglsrypn llnqlldlqpshsspyliaflvdiyedmlenqcdnkedilnkalelceilakekdtirke ywryigrslqskhs
>2zisB (B:) gshmassssftyycppssspvwseplyslrpeharerlqddsvetvtsieqakveekiqe vfssykfnhlvprlvlqrekhfhylkrglrqltdayecldasrpwlcywilhslelldep ipqivatdvcqflelcqspdggfgggpgqyphlaptyaavnalciigteeaynvinrekl lqylyslkqpdgsflmhvggevdvrsaycaasvasltniitpdlfegtaewiarcqnweg giggvpgmeahggytfcglaalvilkkerslnlksllqwvtsrqmrfeggfqgrcnklvd gcysfwqagllpllhralhaqgdpalsmshwmfhqqalqeyilmccqcpagglldkpgks rdfyhtcyclsglsiaqhfgsgamlhdvvmgvpenvlqpthpvynigpdkviqatthflq kpvpgfeecedavtsdpatd
>2zisB (B:) plyslrpeharerlqddsvetvtsieqakveekiqevfssykfnhlvprlvlqrekhfhy lkrglrqltdayecldasrpwlcywilhslelldepipqivatdvcqflelcqspdggfg ggpgqyphlaptyaavnalciigteeaynvinrekllqylyslkqpdgsflmhvggevdv rsaycaasvasltniitpdlfegtaewiarcqnweggiggvpgmeahggytfcglaalvi lkkerslnlksllqwvtsrqmrfeggfqgrcnklvdgcysfwqagllpllhralhaqgdp alsmshwmfhqqalqeyilmccqcpagglldkpgksrdfyhtcyclsglsiaqhfgsgam lhdvvmgvpenvlqpthpvynigpdkviqatthflqkpvpg