6A7I:
reference: Characterization of two steroid hydroxylases from different Streptomyces spp. and their ligand-bound and -unbound crystal structures., Dangi B, Lee CW, Kim KH, Park SH, Yu EJ, Jeong CS, Park H, Lee JH, Oh TJ, FEBS J. 2018 Dec 15. doi: 10.1111/febs.14729. PMID: 30552795

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