Chains and heterogens:
PDB Chain Sequences:
>1ayxA (A:) aypsfeaysnykvdrtdletfldkqkevslyyllqniaypegqfnngvpgtviaspstsn pdyyyqwtrdsaitfltvlselednnfnttlakaveyyintsynlqrtsnpsgsfddenh kglgepkfntdgsaytgawgrpqndgpalrayaisrylndvnslnegklvltdsgdinfs stediykniikpdleyvigywdstgfdlweenqgrhfftslvqqkalayavdiaksfddg dfantlsstastlesylsgsdggfvntdvnhivenpdllqqnsrqgldsatyigpllthd igessstpfdvdneyvlqsyylllednkdrysvnsaysagaaigrypedvyngdgssegn pwflatayaaqvpyklaydaksasnditinkinydffnkyivdlstinsayqssdsvtik sgsdefntvadnlvtfgdsflqvildhinddgslneqlnrytgystgaysltwssgalle airlrnkvkala