Science · 1933 · 27 citations · 2 references
Life SciencesBiochemistryMolecular BiologyEnzymologyProtein BiochemistryProtein CharacterizationProtein DegradationProtein SeparationProtein StructureProteolytic EnzymesProteolytic ProcessingCrystalline StructureDigestive ProteasesPancreatic Digestive EnzymesProteolytic ActivityProteolytic Enzyme Activity
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John H. Northrop, M. Kunitz · The Journal of General Physiology · 1932 · 199 citations · Full text
Isolation of Protein Crystals Possessing Tryptic Activity
John H. Northrop, M. Kunitz · Science · 1931 · 46 citations