Chains and heterogens:
PDB Chain Sequences:
>2zirA (A:) maategvgesapggepgqpeqpppppppppaqqpqeeemaaeageaaaspmddgflslds ptyvlyrdraewadidpvpqndgpspvvqiiysekfrdvydyfravlqrderserafklt rdaielnaanytvwhfrrvllrslqkdlqeemnyitaiieeqpknyqvwhhrrvlvewlk dpsqelefiadilnqdaknyhawqhrqwviqefrlwdnelqyvdqllkedvrnnsvwnqr hfvisnttgysdravlerevqytlemiklvphnesawnylkgilqdrglsrypnllnqll dlqpshsspyliaflvdiyedmlenqcdnkedilnkalelceilakekdtirkeywryig rslqskhsresdipasv
>2zirA (A:) flsldsptyvlyrdraewadidpvpqndgpspvvqiiysekfrdvydyfravlqrderse rafkltrdaielnaanytvwhfrrvllrslqkdlqeemnyitaiieeqpknyqvwhhrrv lvewlkdpsqelefiadilnqdaknyhawqhrqwviqefrlwdnelqyvdqllkedvrnn svwnqrhfvisnttgysdravlerevqytlemiklvphnesawnylkgilqdrglsrypn llnqlldlqpshsspyliaflvdiyedmlenqcdnkedilnkalelceilakekdtirke ywryigrslqskhs
>2zirB (B:) gshmassssftyycppssspvwseplyslrpeharerlqddsvetvtsieqakveekiqe vfssykfnhlvprlvlqrekhfhylkrglrqltdayecldasrpwlcywilhslelldep ipqivatdvcqflelcqspdggfgggpgqyphlaptyaavnalciigteeaynvinrekl lqylyslkqpdgsflmhvggevdvrsaycaasvasltniitpdlfegtaewiarcqnweg giggvpgmeahggytfcglaalvilkkerslnlksllqwvtsrqmrfeggfqgrcnklvd gcysfwqagllpllhralhaqgdpalsmshwmfhqqalqeyilmccqcpagglldkpgks rdfyhtcyclsglsiaqhfgsgamlhdvvmgvpenvlqpthpvynigpdkviqatthflq kpvpgfeecedavtsdpatd
>2zirB (B:) eplyslrpeharerlqddsvetvtsieqakveekiqevfssykfnhlvprlvlqrekhfh ylkrglrqltdayecldasrpwlcywilhslelldepipqivatdvcqflelcqspdggf gggpgqyphlaptyaavnalciigteeaynvinrekllqylyslkqpdgsflmhvggevd vrsaycaasvasltniitpdlfegtaewiarcqnweggiggvpgmeahggytfcglaalv ilkkerslnlksllqwvtsrqmrfeggfqgrcnklvdgcysfwqagllpllhralhaqgd palsmshwmfhqqalqeyilmccqcpagglldkpgksrdfyhtcyclsglsiaqhfgsga mlhdvvmgvpenvlqpthpvynigpdkviqatthflqkpvpg