Chains and heterogens:
PDB Chain Sequences:
>1qi2A (A:) dndsvveehgqlsisngelvnergeqvqlkgmsshglqwygqfvnyesmkwlrddwginv fraamytssggyiddpsvkekvkeaveaaidldiyviidwhilsdndpniykeeakdffd emselygdypnviyeianepngsdvtwgnqikpyaeevipiirnndpnniiivgtgtwsq dvhhaadnqladpnvmyafhfyagthgqnlrdqvdyaldqgaaifvsewgtsaatgdggv fldeaqvwidfmdernlswanwslthkdessaalmpganptggwteaelspsgtfvreki resas
>1qi2A (A:) svveehgqlsisngelvnergeqvqlkgmsshglqwygqfvnyesmkwlrddwginvfra amytssggyiddpsvkekvkeaveaaidldiyviidwhilsdndpniykeeakdffdems elygdypnviyeianepngsdvtwgnqikpyaeevipiirnndpnniiivgtgtwsqdvh haadnqladpnvmyafhfyagthgqnlrdqvdyaldqgaaifvsewgtsaatgdggvfld eaqvwidfmdernlswanwslthkdessaalmpganptggwteaelspsgtfvrekires as