Abstract
We have recently been fortunate in obtaining well-developed crystals of two proteins—chymo-trypsin and haemoglobin. The former were prepared for us by Dr. Northrop of Princeton and the latter —methaemoglobin of horse—by Dr. Adair at the Physiological Laboratories, Cambridge. In both cases the crystals were well formed and large (½ mm.) and well suited for X-ray analysis.
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BERNAL, J., FANKUCHEN, I. & PERUTZ, M. An X-Ray Study of Chymotrypsin and HÆmoglobin. Nature 141, 523–524 (1938). https://doi.org/10.1038/141523a0
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DOI: https://doi.org/10.1038/141523a0
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