3SOI:
reference: X-ray evidence of a native state with increased compactness populated by tryptophan-less B. licheniformis beta-lactamase., Risso VA, Acierno JP, Capaldi S, Monaco HL, Ermacora MR, Protein Sci. 2012 Jul;21(7):964-76. doi: 10.1002/pro.2076. Epub 2012 May 31. PMID: 22496053

This OCA Structure page
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