Chains and heterogens:
PDB Chain Sequences:
>1jykA (A:) eirvkaiilaaglgtrlrpltentpkalvqvnqkplieyqieflkekgindiiiivgylk eqfdylkekygvrlvfndkyadynnfyslylvkeelansyvidadnylfknmfrndltrs tyfsvyredctnewflvygddykvqdiivdskagrilsgvsfwdaptaekivsfidkayv sgefvdlywdnmvkdnikeldvyveelegnsiyeidsvqdyrkleeilk