Chains and heterogens:
PDB Chain Sequences:
>1ly0A (A:) atfeivnrcsytvwaaaskgdaaldaggrqlnsgeswtinvepgtnggkiwartdcyfdd sgsgicktgdcggllrckrfgrppttlaefslnqygkdyidisnikgfnvpmnfspttrg crgvrcaadivgqcpaklkapgggcndactvfqtseyccttgkcgpteysrffkrlcpda fsyvldkpttvtcpgssnyrvtfcpta