1FN4:
reference: Crystal structure of Fab198, an efficient protector of the acetylcholine receptor against myasthenogenic antibodies., Poulas K, Eliopoulos E, Vatzaki E, Navaza J, Kontou M, Oikonomakos N, Acharya KR, Tzartos SJ, Eur J Biochem 2001 Jul;268(13):3685-93. PMID: 11432734

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