Chains and heterogens:
PDB Chain Sequences:
>1ewcA (A:) dlhdkseltdlalanaygqynhpfikeniksdeisgekdlifrnqgdsgndlrvkfatad laqkfknknvdiygasfyykcekiseniseclyggttlnseklaqerviganvwvdgiqk etelirtnkknvtlqeldikirkilsdkykiyykdseiskgliefdmktprdysfdiydl ggendyeidkiyednktlksddishidvnlytkk