Pages that link to "Q42054501"

The following pages link to Reactivities of the various protonic states in the reactions of papain and of L-cysteine with 2,2'- and with 4,4'- dipyridyl disulphide: evidence for nucleophilic reactivity in the un-ionized thiol group of the cysteine-25 residue of papain occasion (Q42054501):

Displaying 42 items.

• Oxidant resistance in a yeast mutant deficient in the Sit4 phosphatase (Q27932771) (← links)
• Deuterium Isotope Effects on Papain Acylation. Evidence for Lack of General Base Catalysis and for Enzyme-Leaving-Group Interaction (Q28246892) (← links)
• Dependence of the catalytic activity of papain on the ionization of two acidic groups (Q28317097) (← links)
• The interplay of electrostatic fields and binding interactions determining catalytic-site reactivity in actinidin. A possible origin of differences in the behaviour of actinidin and papain (Q28356754) (← links)
• Identification of signalling and non-signalling binding contributions to enzyme reactivity. Alternative combinations of binding interactions provide for change in transition-state geometry in reactions of papain (Q28357343) (← links)
• Substrate-derived two-protonic-state electrophiles as sensitive kinetic specificity probes for cysteine proteinases. Activation of 2-pyridyl disulphides by hydrogen-bonding (Q28361928) (← links)
• (Q28364665) (← links)
• Enhanced green fluorescent protein-mediated synthesis of biocompatible graphene (Q28395680) (← links)
• Recent advances in the efficient reduction of graphene oxide and its application as energy storage electrode materials (Q38062346) (← links)
• A reporter group delivery system with both absolute and selective specificity for thiol groups and an improved fluorescent probe containing the 7-nitrobenzo-2-oxa-1,3-diazole moiety (Q39080240) (← links)
• Preparation of fully active ficin from Ficus glabrata by covalent chromatography and characterization of its active centre by using 2,2'-depyridyl disulphide as a reactivity probe (Q39125159) (← links)
• A convenient method of preparation of high-activity urease from Canavalia ensiformis by covalent chromatography and an investigation of its thiol groups with 2,2'-dipyridyl disulphide as a thiol titrant and reactivity probe (Q39125169) (← links)
• Characterization of the papain active centre by using two-protonic-state electrophiles as reactivity probes. Evidence for nucleophilic reactivity in the un-interrupted cysteine-25-histidine-159 interactive system (Q39194678) (← links)
• Reactivities of neutral and cationic forms of 2,2'-dipyridyl disulphide towards thiolate anions. Detection of differences between the active centres of actinidin, papain and ficin by a three-protonic-state reactivity probe (Q39296096) (← links)
• The thiol group of bovine serum albumin. High reactivity at acidic pH as measured by the reaction with 2,2′-dipyridyl disulphide (Q40340935) (← links)
• The Proteinase‐Binding Reaction of α2M (Q40393742) (← links)
• Specific covalent modification of thiols: Applications in the study of enzymes and other biomolecules (Q41682132) (← links)
• Chemical synthesis and papain-catalysed hydrolysis of N-alpha-benzyloxycarbonyl-L-lysine p-nitroanilide (Q41785655) (← links)
• Chemical evidence for the pH-dependent control of ion-pair geometry in cathepsin B. Benzofuroxan as a reactivity probe sensitive to differences in the mutual disposition of the thiolate and imidazolium components of cysteine proteinase catalytic sit (Q41881996) (← links)
• Reactions of papain and of low-molecular-weight thiols with some aromatic disulphides. 2,2'-Dipyridyl disulphide as a convenient active-site titrant for papain even in the presence of other thiols (Q41900626) (← links)
• The effect of some amine oxides and disulphide compounds on the activity of acetylcholinesterase (Q41966904) (← links)
• Evidence for a two-state transition in papain that may have no close analogue in ficin. Differences in the disposition of cationic sites and hydrophobic binding areas in the active centres of papain and ficin (Q42000549) (← links)
• A new heterobifunctional cross-linking reagent for the study of biological interactions between proteins. I. Design, synthesis, and characterization (Q42268142) (← links)
• A new heterobifunctional cross-linking reagent for the study of biological interactions between proteins. II. Application to the troponin C-troponin I interaction (Q42268144) (← links)
• Reactions of L-ergothioneine and some other aminothiones with2,2'-and 4,4'-dipyridyl disulphides and of L-ergothioneine with iodoacetamide. 2-Mercaptoimidazoles, 2- and 4-thiopyridones, thiourea and thioacetamide as highly reactive neutral sulphur n (Q42561860) (← links)
• A convenient spectrophotometric assay for the determination of L-ergothioneine in blood (Q42561869) (← links)
• Ionization characteristics of the Cys-25/His-159 interactive system and of the modulatory group of papain: resolution of ambiguity by electronic perturbation of the quasi-2-mercaptopyridine leaving group in a new pyrimidyl disulphide reactivity prob (Q42796852) (← links)
• Clarification of the pH-dependent kinetic behaviour of papain by using reactivity probes and analysis of alkylation and catalysed acylation reactions in terms of multihydronic state models: implications for electrostatics calculations and interpreta (Q42812599) (← links)
• A kinetic method for the study of solvent environments of thiol groups in proteins involving the use of a pair of isomeric reactivity probes and a differential solvent effect. Investigation of the active centre of ficin by using 2,2'- and 4,4'- dipy (Q42879554) (← links)
• Evidence for association-activation effects in reactions of papain from studies on its reactivity towards isomeric two-protonic-state reactivity probes (Q42880136) (← links)
• The mutability of stem bromelain: evidence for perturbation by structural transitions of the parameters that characterize the reaction of the essential thiol group of bromelain with 2,2'-dipyridyl disulphide (Q42918647) (← links)
• Covalent chromatography. Preparation of fully active papain from dried papaya latex (Q42923715) (← links)
• Investigation of the active site of papain with fluorescent probes (Q42923751) (← links)
• Protein thiolation and reversible protein-protein conjugation. N-Succinimidyl 3-(2-pyridyldithio)propionate, a new heterobifunctional reagent (Q42935742) (← links)
• A 13C-NMR study of the inhibition of papain by a dipeptide-glyoxal inhibitor. (Q43002160) (← links)
• Mercaptide-imidazolium ion-pair: the reactive nucleophile in papain catalysis (Q43480902) (← links)
• Low-Cost Synthesis of Smart Biocompatible Graphene Oxide Reduced Species by Means of GFP. (Q46650626) (← links)
• Propapain and its Conversion to Papain: A New Type of Zymogen Activation Mechanism involving Intramolecular Thiol-Disulphide Interchange (Q53940531) (← links)
• 24 Two-protonic-state electrophiles as probes of enzyme mechanism (Q67248598) (← links)
• Site-directed chemical conversion of serine to cysteine in penicillin acylase from Escherichia coli ATCC 11105. Effect on conformation and catalytic activity (Q67915202) (← links)
• Covalent chromatography by thiol-disulfide interchange (Q68872808) (← links)
• 33 Chemical modification of protein thiols: Formationof mixed disulfides (Q71999760) (← links)