6L9C:
reference: Neutron crystallography of copper amine oxidase reveals keto/enolate interconversion of the quinone cofactor and unusual proton sharing., Murakawa T, Kurihara K, Shoji M, Shibazaki C, Sunami T, Tamada T, Yano N, Yamada T, Kusaka K, Suzuki M, Shigeta Y, Kuroki R, Hayashi H, Yano T, Tanizawa K, Adachi M, Okajima T, Proc Natl Acad Sci U S A. 2020 May 5. pii: 1922538117. doi:, 10.1073/pnas.1922538117. PMID: 32371483

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