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