Chains and heterogens:
PDB Chain Sequences:
>1a39_ (-) ekpgetkevhpqlttfrctkrggckpatnfivldslwhwihraeglgpggcgdwgnpppk dvcpdvescakncimegipdysqygvttngtslrlqhilpdgrvpsprvylldktkrrye mlhltgfeftfdvdatklpcgmnsalylsemhptgakskynpggayygtgycdaqcfvtp finglgniegkgsccnemdiweansrashvaphtcnkkglylcegeecafegvcdkngcg wnnyrvnvtdyygrgeefkvntlkpftvvtqflanrrgklekihrfyvqdgkviesfytn kegvpytnmiddefceatgsrkymelgatqgmgealtrgmvlamsiwwdqggnmewldhg eagpcakgegapsnivqvepfpevtytnlrwgeigstyqelq