Chains and heterogens:
PDB Chain Sequences:
>1hkmA (A:) aklvcyftnwaqyrqgearflpkdldpslcthliyafagmtnhqlsttewndetlyqefn glkkmnpklktllaiggwnfgtqkftdmvatannrqtfvnsairflrkysfdgldldwey pgsqgspavdkerfttlvqdlanafqqeaqtsgkerlllsaavpagqtyvdagyevdkia qnldfvnlmaydfhgswekvtghnsplykrqeqsgaaaslnvdaavqqwlqkgtpaskli lgmptygrsftlasssdtrvgapatgsgtpgpftkeggmlayyevcswkgatkqriqdqk vpyifrdnqwvgfddvesfktkvsylkqkglggamvwaldlddfagfscnqgrypliqtl rqels