| 2PRK: reference: Synchrotron X-ray data collection and restrained least-squares refinement of the crystal structure of proteinase K at 1.5 A resolution., Betzel C, Pal GP, Saenger W, Acta Crystallogr B 1988 Apr 1;44 ( Pt 2):163-72. PMID: 3271105 |
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