Abstract
Sulfhydryl oxidants and stabilizers caused changes demonstrating the sulfhydryl content of β-galactosidase for Streptococcus lactis 7962. Ammonium sulfate (0.85 m) rendered the enzyme insensitive to the oxidants. Titrations revealed 11.5 moles of sulfhydryl per mole of enzyme.
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Selected References
These references are in PubMed. This may not be the complete list of references from this article.
- CITTI J. E., SANDINE W. E., ELLIKER P. R. BETA-GALACTOSIDASE OF STREPTOCOCCUS LACTIS. J Bacteriol. 1965 Apr;89:937–942. doi: 10.1128/jb.89.4.937-942.1965. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Erickson R. P., Steers E., Jr Comparative study of isoenzyme formation of bacterial beta-galactosidase. J Bacteriol. 1970 Apr;102(1):79–84. doi: 10.1128/jb.102.1.79-84.1970. [DOI] [PMC free article] [PubMed] [Google Scholar]
- Hengstenberg W., Egan J. B., Morse M. L. Carbohydrate transport in Staphylococcus aureus. V. The accumulation of phosphorylated carbohydrate derivatives, and evidence for a new enzyme-splitting lactose phosphate. Proc Natl Acad Sci U S A. 1967 Jul;58(1):274–279. doi: 10.1073/pnas.58.1.274. [DOI] [PMC free article] [PubMed] [Google Scholar]
- McFeters G. A., Sandine W. E., Becker R. R., Elliker P. R. Some factors affecting association-dissociation of beta-galactosidase from Streptococcus lactis 7962. Can J Microbiol. 1969 Jan;15(1):105–110. doi: 10.1139/m69-016. [DOI] [PubMed] [Google Scholar]
- McFeters G. A., Sandine W. E., Elliker P. R. Purification and properties of Streptococcus lactis beta-galactosidase. J Bacteriol. 1967 Mar;93(3):914–919. doi: 10.1128/jb.93.3.914-919.1967. [DOI] [PMC free article] [PubMed] [Google Scholar]
- McKay L., Miller A., 3rd, Sandine W. E., Elliker P. R. Mechanisms of lactose utilization by lactic acid streptococci: enzymatic and genetic analyses. J Bacteriol. 1970 Jun;102(3):804–809. doi: 10.1128/jb.102.3.804-809.1970. [DOI] [PMC free article] [PubMed] [Google Scholar]
- NEILANDS J. B. Studies on lactic dehydrogenase of heart. III. Action of inhibitors. J Biol Chem. 1954 May;208(1):225–230. [PubMed] [Google Scholar]