Chains and heterogens:
PDB Chain Sequences:
>1eemA (A:) sarslgkgsappgpvpegsiriysmrfcpfaertrlvlkakgirhevininlknkpewff kknpfglvpvlensqgqliyesaitceyldeaypgkkllpddpyekacqkmilelfskvp slvgsfirsqnkedyaglkeefrkeftkleevltnkkttffggnsismidyliwpwferl eamklnecvdhtpklklwmaamkedptvsalltsekdwqgflelylqnspeacdygl