1BTV:
reference: X-ray and NMR structure of Bet v 1, the origin of birch pollen allergy., Gajhede M, Osmark P, Poulsen FM, Ipsen H, Larsen JN, Joost van Neerven RJ, Schou C, Lowenstein H, Spangfort MD, Nat Struct Biol 1996 Dec;3(12):1040-5. PMID: 8946858

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