Chains and heterogens:
PDB Chain Sequences:
>3pz4A (A:) ghmaategvgesapggepgqpeqpppppppppaqqpqeeemaaeageaaaspmddgflsl dsptyvlyrdraewadidpvpqndgpspvvqiiysekfrdvydyfravlqrderserafk ltrdaielnaanytvwhfrrvllrslqkdlqeemnyiiaiieeqpknyqvwhhrrvlvew lkdpsqelefiadilnqdaknyhawqhrqwviqefrlwdnelqyvdqllkedvrnnsvwn qrhfvisnttgysdravlerevqytlemiklvphnesawnylkgilqdrglsrypnllnq lldlqpshsspyliaflvdiyedmlenqcdnkedilnkalelceilakekdtirkeywry igrslqskhsresdipasv
>3pz4A (A:) flsldsptyvlyrdraewadidpvpqndgpspvvqiiysekfrdvydyfravlqrderse rafkltrdaielnaanytvwhfrrvllrslqkdlqeemnyiiaiieeqpknyqvwhhrrv lvewlkdpsqelefiadilnqdaknyhawqhrqwviqefrlwdnelqyvdqllkedvrnn svwnqrhfvisnttgysdravlerevqytlemiklvphnesawnylkgilqdrglsrypn llnqlldlqpshsspyliaflvdiyedmlenqcdnkedilnkalelceilakekdtirke ywryigrslqskhsr
>3pz4B (B:) assssftyycppssspvwseplyslrpeharerlqddsvetvtsieqakveekiqevfss ykfnhlvprlvlqrekhfhylkrglrqltdayecldasrpwlcywilhslelldepipqi vatdvcqflelcqspdggfgggpgqyphlaptyaavnalciigteeaynvinrekllqyl yslkqpdgsflmhvggevdvrsaycaasvasltniitpdlfegtaewiarcqnweggigg vpgmeahggytfcglaalvilkkerslnlksllqwvtsrqmrfeggfqgrcnklvdgcys fwqagllpllhralhaqgdpalsmshwmfhqqalqeyilmccqcpagglldkpgksrdfy htcyclsglsiaqhfgsgamlhdvvmgvpenvlqpthpvynigpdkviqatthflqkpvp gfeece
>3pz4B (B:) eplyslrpeharerlqddsvetvtsieqakveekiqevfssykfnhlvprlvlqrekhfh ylkrglrqltdayecldasrpwlcywilhslelldepipqivatdvcqflelcqspdggf gggpgqyphlaptyaavnalciigteeaynvinrekllqylyslkqpdgsflmhvggevd vrsaycaasvasltniitpdlfegtaewiarcqnweggiggvpgmeahggytfcglaalv ilkkerslnlksllqwvtsrqmrfeggfqgrcnklvdgcysfwqagllpllhralhaqgd palsmshwmfhqqalqeyilmccqcpagglldkpgksrdfyhtcyclsglsiaqhfgsga mlhdvvmgvpenvlqpthpvynigpdkviqatthflqkpvpgf