Chains and heterogens:
PDB Chain Sequences:
>2ayh_ (-) qtggsffepfnsynsgtwekadgysnggvfnctwrannvnftndgklklgltssaynkfd caeyrstniygyglyevsmkpakntgivssfftytgpahgtqwdeidieflgkdttkvqf nyytngvgghekvislgfdaskgfhtyafdwqpgyikwyvdgvlkhtatanipstpgkim mnlwngtgvddwlgsynganplyaeydwvkytsn