>2f12A (A:) observed residues (from ATOM records)
slpvlqkesvfqsgahayripallylpgqqsllafaeqraaelivlrrgdydapthqvqw
qaqevvaqarldghrsmnpcplydaqtgtlflffiaipgqvteqqqlqtranvtrlcqvt
stdhgrtwssprdltdaaigpayrewstfavgpghclqlndrarslvvpayayrklhiqr
pipsafcflshdhgrtwarghfvaqdtlecqvaeveqrvvtlnarshlrarvqaqstndg
ldfqesqlvkklvepppqgcqgsvisfpspraqwllythpthswqradlgaylnprppap
eawsepvllakgscaysdlqsmgtgpdgsplfgclyeandyeeivflmftlkqafpaey