1SIW: Crystal Structure Of The Apomolybdo-Narghi
reference: The catalytic subunit of Escherichia coli nitrate reductase A contains a novel [4Fe-4S] cluster with a high-spin ground state., Rothery RA, Bertero MG, Cammack R, Palak M, Blasco F, Strynadka NC, Weiner JH, Biochemistry 2004 May 11;43(18):5324-33. PMID: 15122898

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