Gaur, Deepak Role of aspartic acid 121 in human pancreatic ribonuclease catalysis. [electronic resource] - Molecular and cellular biochemistry Jul 2005 - 95-101 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0300-8177 Standard No.: 10.1007/s11010-005-0997-8 doi Subjects--Topical Terms: Alanine--metabolismAmino Acid SequenceAmino Acid SubstitutionAnimalsAspartic Acid--chemistryBinding SitesCatalysisCattleCircular DichroismCloning, MolecularConserved SequenceEscherichia coli--geneticsGenetic VariationHumansKineticsMolecular Sequence DataMutagenesis, Site-DirectedPhenylalanine--chemistryProtein ConformationProtein EngineeringRecombinant Proteins--chemistryRibonuclease, Pancreatic--chemistrySequence DeletionSpectrophotometryStructure-Activity RelationshipSubstrate Specificity