Published in J Biol Chem on September 25, 1989
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Intracellular concentrations of water and of the principal electrolytes determined by analysis of isolated human leucocytes. Clin Sci (1969) 2.42
Pressure dissociation and conformational drift of the beta dimer of tryptophan synthase. Biochemistry (1986) 2.12
Identification of the hammerhead ribozyme metal ion binding site responsible for rescue of the deleterious effect of a cleavage site phosphorothioate. Biochemistry (1999) 1.98
Blood pre-donation deferrals--a teaching hospital experience. Southeast Asian J Trop Med Public Health (2008) 1.58
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(Ca 2+ + Mg 2+ )-activated membrane ATPases in human red cells and their possible relations to cation transport. Biochim Biophys Acta (1971) 1.37
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Oxygen binding by single crystals of hemoglobin. Biochemistry (1993) 1.16
Estrogen increases the number of plasma cells and enhances their autoantibody production in nonautoimmune C57BL/6 mice. Cell Immunol (1998) 1.15
Morphological and morphometric study of peripheral nerves from rats with streptozotocin-induced diabetes mellitus. Acta Neuropathol (1981) 1.14
Velocity measurements in steady flow through axisymmetric stenoses at moderate Reynolds numbers. J Biomech (1983) 1.13
Tryptophan synthase from Escherichia coli and Salmonella typhimurium. Methods Enzymol (1987) 1.13
The beta subunit of tryptophan synthase. Clarification of the roles of histidine 86, lysine 87, arginine 148, cysteine 170, and cysteine 230. J Biol Chem (1989) 1.11
Structure of NADH peroxidase from Streptococcus faecalis 10C1 refined at 2.16 A resolution. J Mol Biol (1991) 1.11
A dye-based lymphocyte proliferation assay that permits multiple immunological analyses: mRNA, cytogenetic, apoptosis, and immunophenotyping studies. J Immunol Methods (1997) 1.11
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Use of intrinsic binding energy for catalysis by an RNA enzyme. Proc Natl Acad Sci U S A (1997) 1.06
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A method for ultrastructural study of lesions found in conventional histological sections. Virchows Arch A Pathol Pathol Anat (1970) 1.05
Congenital chloride diarrhoea in Kuwaiti children. Eur J Pediatr (1989) 1.04
Serine modulates substrate channeling in tryptophan synthase. A novel intersubunit triggering mechanism. J Biol Chem (1991) 1.04
Crystal structures of a mutant (betaK87T) tryptophan synthase alpha2beta2 complex with ligands bound to the active sites of the alpha- and beta-subunits reveal ligand-induced conformational changes. Biochemistry (1997) 1.03
Retinol-binding protein is in the molten globule state at low pH. Biochemistry (1992) 1.02
Light and GTP effects on the turbidity of frog visual membrane suspensions. Mol Cell Biochem (1980) 1.02
Hypothalamic lesions in rats with long-term streptozotocin-induced diabetes mellitus. A semiquantitative light- and electron-microscopic study. Acta Neuropathol (1980) 1.01
Thyroid transplantation developing autoimmune thyroiditis following thymectomy and irradiation. Clin Exp Immunol (1981) 1.00
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An active proteolytic derivative of the alpha subunit of tryptophan synthase. Identification of the site of cleavage and characterization of the fragments. Biochemistry (1979) 0.99
Photoinactivation and photoaffinity labeling of tryptophan synthase alpha 2 beta 2 complex by the product analogue 6-azido-L-tryptophan. Biochemistry (1985) 0.99
Sex hormones and the immune system--Part 2. Animal data. Baillieres Clin Rheumatol (1990) 0.98
Cooperative oxygen binding to scapharca inaequivalvis hemoglobin in the crystal. J Biol Chem (1996) 0.98
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Ligand-mediated changes in the tryptophan synthase indole tunnel probed by nile red fluorescence with wild type, mutant, and chemically modified enzymes. J Biol Chem (1995) 0.97
Vitamin-D-deficiency rickets in Kuwait: the prevalence of a preventable disease. Ann Trop Paediatr (1989) 0.97
Changes in peripheral nerves of rats four months after induction of streptozotocin diabetes. A qualitative and quantitative study. Acta Neuropathol (1981) 0.97
A new thiol-dependent transamination reaction catalyzed by the B protein of Escherichia coli tryptophan synthetase. Biochemistry (1968) 0.96
The antimicrobial activity of garlic and onion extracts. Pharmazie (1983) 0.95
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Prevention of autoantibody formation and prolonged survival in New Zealand black/New Zealand white F1 mice fed dehydroisoandrosterone. J Clin Invest (1985) 0.95
On the relationship between the conformation and the catalyzed reactivity of acyl-chymotrypsin. J Mol Biol (1971) 0.95
Studies on retinal microangiopathy and coronary macroangiopathy in rats with streptozotocin-induced diabetes. Virchows Arch B Cell Pathol Incl Mol Pathol (1981) 0.95
Investigation of allosteric linkages in the regulation of tryptophan synthase: the roles of salt bridges and monovalent cations probed by site-directed mutation, optical spectroscopy, and kinetics. Biochemistry (2001) 0.94
Crystalline alpha2 beta2 complexes of tryptophan synthetase of Escherichia coli. A comparison between the native complex and the reconstituted complex. J Biol Chem (1974) 0.94
Evidence that mutations in a loop region of the alpha-subunit inhibit the transition from an open to a closed conformation in the tryptophan synthase bienzyme complex. J Biol Chem (1992) 0.94
Basement membrane of hypothalamus and cortex capillaries from normotensive and spontaneously hypertensive rats with streptozotocin-induced diabetes. Acta Neuropathol (1985) 0.94
Characterization of the functional role of a flexible loop in the alpha-subunit of tryptophan synthase from Salmonella typhimurium by rapid-scanning, stopped-flow spectroscopy and site-directed mutagenesis. Biochemistry (1993) 0.93
Zidovudine induced pure red cell aplasia: a case report. Niger J Med (2010) 0.93
Allosteric effectors do not alter the oxygen affinity of hemoglobin crystals. Protein Sci (1997) 0.93
17 beta-estradiol, but not 5 alpha-dihydrotestosterone, augments antibodies to double-stranded deoxyribonucleic acid in nonautoimmune C57BL/6J mice. Endocrinology (1994) 0.93
Conformational changes and subunit communication in tryptophan synthase: effect of substrates and substrate analogs. Biochemistry (1992) 0.92
Simple apparatus for perfusion fixation for electron microscopy. Experientia (1975) 0.92
Allosteric regulation of tryptophan synthase: effects of pH, temperature, and alpha-subunit ligands on the equilibrium distribution of pyridoxal 5'-phosphate-L-serine intermediates. Biochemistry (1996) 0.91
Mechanisms contributing to myocardial accumulation of technetium-99m stannous pyrophosphate after coronary arterial occlusion. Am J Cardiol (1977) 0.91
Oxygen binding by single crystals of hemoglobin: the problem of cooperativity and inequivalence of alpha and beta subunits. Proteins (1996) 0.90
The tryptophan synthase multienzyme complex: exploring structure-function relationships with X-ray crystallography and mutagenesis. Biotechnology (N Y) (1990) 0.90
Threonine 183 and adjacent flexible loop residues in the tryptophan synthase alpha subunit have critical roles in modulating the enzymatic activities of the beta subunit in the alpha 2 beta 2 complex. J Biol Chem (1992) 0.89
Recommendations for water supply in arsenic mitigation: a case study from Bangladesh. Public Health (2000) 0.89
Guanidine hydrochloride induced unfolding of the alpha subunit of tryptophan synthase and of the two alpha proteolytic fragments: evidence for stepwise unfolding of the two alpha domains. Biochemistry (1982) 0.89
Thyrotrophin releasing hormone-induced growth hormone and prolactin release: physiological studies in intact rats and in hypophysectomized rats bearing an ectopic pituitary gland. J Endocrinol (1977) 0.89
Modification of essential histidyl residues of the beta 2 subunit of tryptophan synthetase by photo-oxidation in the presence of pyridoxal 5'-phosphate and L-serine and by diethylpyrocarbonate. J Biol Chem (1974) 0.89
Monovalent cations affect dynamic and functional properties of the tryptophan synthase alpha 2 beta 2 complex. Biochemistry (1995) 0.89
One month of streptozotocin-diabetes induces different neuroendocrine and morphological alterations in the hypothalamo-pituitary axis of male and female rats. Endocrinology (1985) 0.89
Enzymatic and electron transfer activities in crystalline protein complexes. J Biol Chem (1996) 0.89
Lysine 87 in the beta subunit of tryptophan synthase that forms an internal aldimine with pyridoxal phosphate serves critical roles in transimination, catalysis, and product release. J Biol Chem (1993) 0.89
Folding of homologous proteins: conservation of the folding mechanism of the alpha subunit of tryptophan synthase from Escherichia coli, Salmonella typhimurium, and five interspecies hybrids. Biochemistry (1988) 0.88
The occurrence of cytoplasmic lamellar bodies in normal and pathologic conditions. Acta Neuropathol (1980) 0.88
Effect of chloride on oxygen binding to crystals of hemoglobin Rothschild (beta 37 Trp-->Arg) in the T quaternary structure. Biochemistry (1993) 0.88
Structure and oxygen affinity of crystalline desArg141 alpha human hemoglobin A in the T state. J Mol Biol (1995) 0.88
Evidence for a vesicle-mediated maintenance of store-operated calcium channels in a human embryonic kidney cell line. Cell Calcium (2000) 0.88
Morphological changes in the hypothalamic-hypophyseal-gonadal axis of male rats after twelve months of streptozotocin-induced diabetes. Diabetologia (1981) 0.87
Substitution of glutamic acid 109 by aspartic acid alters the substrate specificity and catalytic activity of the beta-subunit in the tryptophan synthase bienzyme complex from Salmonella typhimurium. Biochemistry (1992) 0.87
Adolescent abuse in a community sample in Beni Suef, Egypt: prevalence and risk factors. East Mediterr Health J (2006) 0.87
Exchange of K+ or Cs+ for Na+ induces local and long-range changes in the three-dimensional structure of the tryptophan synthase alpha2beta2 complex. Biochemistry (1996) 0.87
The reaction of yeast cystathionine beta-synthase is rate-limited by the conversion of aminoacrylate to cystathionine. Biochemistry (2001) 0.87
Purification and properties of the Escherichia coli K-12 NAD-dependent nucleotide diphosphosugar epimerase, ADP-L-glycero-D-mannoheptose 6-epimerase. J Biol Chem (1994) 0.86
The influence of testosterone on the development of autoimmune thyroiditis in thymectomized and irradiated rats. Clin Exp Immunol (1982) 0.86
Morphometric studies on retinal microangiopathy and myocardiopathy in hypertensive rats (SHR) with induced diabetes. Virchows Arch B Cell Pathol Incl Mol Pathol (1984) 0.86
CD5 B cells in autoimmunity. Ann N Y Acad Sci (1992) 0.86
Flow disturbance measurements through a constricted tube at moderate Reynolds numbers. J Biomech (1983) 0.86
Comparison of multiple assays for kinetic detection of apoptosis in thymocytes exposed to dexamethasone or diethylstilbesterol. Cytometry (1999) 0.86
Neuropathy and myopathy in the diaphragm of rats after 12 months of streptozotocin-induced diabetes mellitus. A light-, electron-microscopic, and morphometric study. Acta Neuropathol (1981) 0.86
Tryptophan synthase alpha subunit glutamic acid 49 is essential for activity. Studies with 19 mutants at position 49. J Biol Chem (1987) 0.86
Pulsatile poststenotic flow studies with laser Doppler anemometry. J Biomech (1984) 0.86
Endogenous development of Eimeria intestinalis in rabbits (Oryctolagus cuniculus). J Parasitol (1992) 0.86