>2f13A (A:) observed residues (from ATOM records)
slpvlqkesvfqsgahayripallylpgqqsllafaeqraaelivlrrgdydapthqvqw
qaqevvaqarldghrsmnpcplydaqtgtlflffiaipgqranvtrlcqvtstdhgrtws
sprdltdaaigpayrewstfavgpghclqlndrarslvvpayayrklhpiqrpipsafcf
lshdhgrtwarghfvaqdtlecqvaeveeqrvvtlnarshlrarvqaqstndgldfqesq
lvkklvepppqgcqgsvisfpspraqwllythpthswqradlgaylnprppapeawsepv
llakgscaysdlqsmgtgpdgsplfgclyeandyeeivflmftlkqafpae