Chains and heterogens:
PDB Chain Sequences:
>1aky_ (-) esirmvligppgagkgtqapnlqerfhaahlatgdmlrsqiakgtqlgleakkimdqggl vsddimvnmikdeltnnpackngfildgfprtipqaekldqmlkeqgtplekaielkvdd ellvaritgrlihpasgrsyhkifnppkedmkddvtgealvqrsddnadalkkrlaayha qtepivdfykktgiwagvdasqppatvwadilnklgkn