1QIQ:
reference: The reaction cycle of isopenicillin N synthase observed by X-ray diffraction., Burzlaff NI, Rutledge PJ, Clifton IJ, Hensgens CM, Pickford M, Adlington RM, Roach PL, Baldwin JE, Nature 1999 Oct 14;401(6754):721-4. PMID: 10537113

This OCA Structure page
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