Chains and heterogens:
PDB Chain Sequences:
>2izpA (A:) gsaltvrdwpalealaktmpadagaramtdddlraagvdrrvpeqklgaaidefaslrlp dridgrfvdgrranltvfddarvavrgharaqrnllerletellggtldtagdeggiqpd pilqglvdvigqgksdidayativegltkyfqsvadvmsklqdyisakddknmkidggki kaliqqvidhlptmqlpkgadiarwrkelgdavsisdsgvvtinpdklikmrdslppdgt vwdtaryqawntafsgqkdniqndvqtlvekyshqnsnfdnlvkvlsgaistltdtaksy lqi
>2izpA (A:) agaramtdddlraagvdrrvpeqklgaaidefaslrlpdridgrfvdgrranltvfddar vavrgharaqrnllerletellggtldtagdeggiqpdpilqglvdvigqgksdidayat ivegltkyfqsvadvmsklqdyisakddknmkidggkikaliqqvidhlptmqlpkgadi arwrkelgdavsisdsgvvtinpdklikmrdslppdgtvwdtaryqawntafsgqkdniq ndvqtlvekyshqnsnfdnlvkvlsgaistlt
>2izpB (B:) gsaltvrdwpalealaktmpadagaramtdddlraagvdrrvpeqklgaaidefaslrlp dridgrfvdgrranltvfddarvavrgharaqrnllerletellggtldtagdeggiqpd pilqglvdvigqgksdidayativegltkyfqsvadvmsklqdyisakddknmkidggki kaliqqvidhlptmqlpkgadiarwrkelgdavsisdsgvvtinpdklikmrdslppdgt vwdtaryqawntafsgqkdniqndvqtlvekyshqnsnfdnlvkvlsgaistltdtaksy lqi
>2izpB (B:) dddlraagvdrrvpeqklgaaidefaslrlpdridgrfvdgrranltvfddarvavrgha raqrnllerletellggtldtagdeggiqpdpilqglvdvigqgksdidayativegltk yfqsvadvmsklqdyisakddknmkidggkikaliqqvidhlptmqlpkgadiarwrkel gdavsisdsgvvtinpdklikmrdslppdgtvwdtaryqawntafsgqkdniqndvqtlv ekyshqnsnfdnlvkvlsgaistltdtak