Chains and heterogens:
PDB Chain Sequences:
>2f11A (A:) gsmaslpvlqkesvfqsgahayripallylpgqqsllafaeqraskkdehaelivlrrgd ydapthqvqwqaqevvaqarldghrsmnpcplydaqtgtlflffiaipgqvteqqqlqtr anvtrlcqvtstdhgrtwssprdltdaaigpayrewstfavgpghclqlndrarslvvpa yayrklhpiqrpipsafcflshdhgrtwarghfvaqdtlecqvaevetgeqrvvtlnars hlrarvqaqstndgldfqesqlvkklvepppqgcqgsvisfpsprsgpgspaqwllythp thswqradlgaylnprppapeawsepvllakgscaysdlqsmgtgpdgsplfgclyeand yeeivflmftlkqafpaeylpq
>2f11A (A:) slpvlqkesvfqsgahayripallylpgqqsllafaeqraelivlrrgdydapthqvqwq aqevvaqarldghrsmnpcplydaqtgtlflffiaipanvtrlcqvtstdhgrtwssprd ltdaaigpayrewstfavgpghclqlndrarslvvpayayrkliqrpipsafcflshdhg rtwarghfvaqdtlecqvaevetgeqrvvtlnarshlrarvqaqstndgldfqesqlvkk lvepppqgcqgsvisfpspraqwllythpthswqradlgaylnprppapeawsepvllak gscaysdlqsmgtgpdgsplfgclyeandyeeivflmftlkqafpae