5K8B:
reference: Structures of KdnB and KdnA from Shewanella oneidensis: Key Enzymes in the Formation of 8-Amino-3,8-Dideoxy-D-Manno-Octulosonic Acid., Zachman-Brockmeyer TR, Thoden JB, Holden HM, Biochemistry. 2016 Jun 8. PMID: 27275764

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