Chains and heterogens:
PDB Chain Sequences:
>7ayvA (A:) mdsqrstlvhwfrkglrlhdnpalshiftaanaapgryfvrpifildpgildwmqvganr wrflqqtledldnqlrklnsrlfvvrgkpaevfprifkswrvemltfetdiepysvtrda avqklakaegvrvethcshtiynpelviaknlgkapityqkflgiveqlkvpkvlgvpek lknmptppkdeveqkdsaaydcptmkqlvkrpeelgpnkfpggetealrrmeeslkdeiw varfekpntapnslepsttvlspylkfgclsarlfnqklkeiikrqpkhsqppvsligql mwrefyytvaaaepnfdrmlgnvycmqipwqehpdhleawthgrtgypfidaimrqlrqe gwihhlarhavacfltrgdlwisweegqrvfeqllldqdwalnagnwmwlsasaffhqyf rvyspvafgkktdpqghyirkyvpelskypagciyepwkaslvdqraygcvlgtdyphri vkhevvhkenikrmgaaykvnr