Chains and heterogens:
PDB Chain Sequences:
>1rxzA (A:) midvimtgellktvtraivalvsearihflekglhsravdpanvamvivdipkdsfevyn ideektigvdmdrifdisksistkdlvelivedestlkvkfgsveykvalidpsairkep ripelelpakivmdagefkkaiaaadkisdqvifrsdkegfrieakgdvdsivfhmtete liefnggearsmfsvdylkefckvagsgdlltihlgtnypvrlvfelvggrakveyilap riese