Chains and heterogens:
PDB Chain Sequences:
>1so7A (A:) gsmaslpvlqkesvfqsgahayripallylpgqqsllafaeqraskkdehaelivlrrgd ydapthqvqwqaqevvaqarldghrsmnpcplydaqtgtlflffiaipgqvteqqqlqtr anvtrlcqvtstdhgrtwssprdltdaaigpayrewstfavgpghclqlndrarslvvpa yayrklhpiqrpipsafcflshdhgrtwarghfvaqdtlecqvaevetgeqrvvtlnars hlrarvqaqstndgldfqesqlvkklvepppqgcqgsvisfpsprsgpgspaqwllythp thswqradlgaylnprppapeawsepvllakgscaysdlqsmgtgpdgsplfgclyeand yeeivflmftlkqafpaeylpq
>1so7A (A:) lpvlqkesvfqsgahayripallylpgqqsllafaeqraelivlrrgdydapthqvqwqa qevvaqarldghrsmnpcplydaqtgtlflffiaipgqvteqqqlqtranvtrlcqvtst dhgrtwssprdltdaaigpayrewstfavgpghclqlndrarslvvpayayrklhpiqrp ipsafcflshdhgrtwarghfvaqdtlecqvaevetqrvvtlnarshlrarvqaqstndg ldfqesqlvkklvepppqgcqgsvisfpsprspaqwllythpthswqradlgaylnprpp apeawsepvllakgscaysdlqsmgtgpdgsplfgclyeandyeeivflmftlkqafpae y