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Articles 1 - 3 of 3
Full-Text Articles in Medical Biochemistry
Tyrosyl Kinase Activity Is Inversely Related To Prostatic Acid Phosphatase Activity In Two Human Prostate Carcinoma Cell Lines., Ming-Fong Lin, Ching-Li Lee, Gail M. Clinton
Tyrosyl Kinase Activity Is Inversely Related To Prostatic Acid Phosphatase Activity In Two Human Prostate Carcinoma Cell Lines., Ming-Fong Lin, Ching-Li Lee, Gail M. Clinton
Journal Articles: Biochemistry & Molecular Biology
Alterations in prostatic acid phosphatase (PAcP), a phosphotyrosyl phosphatase, corresponded to changes in overall tyrosyl kinase activity. PAcP added to extracts of prostate carcinoma cells with a low endogenous level of PAcP activity and elevated tyrosyl kinase activity decreased the tyrosyl kinase activity. On the other hand, when PAcP activity was decreased by the addition of androgens to cells, there was a corresponding increase in tyrosyl kinase activity.
Fine-Structure Analysis Of The Processing And Polyadenylation Region Of The Herpes Simplex Virus Type 1 Thymidine Kinase Gene By Using Linker Scanning, Internal Deletion, And Insertion Mutations., Fang Zhang, Roger M. Denome, Charles N. Cole
Fine-Structure Analysis Of The Processing And Polyadenylation Region Of The Herpes Simplex Virus Type 1 Thymidine Kinase Gene By Using Linker Scanning, Internal Deletion, And Insertion Mutations., Fang Zhang, Roger M. Denome, Charles N. Cole
Dartmouth Scholarship
Most eucaryotic mRNAs are polyadenylated. In higher eucaryotes, the sequence AATAAA is located 7 to 30 base pairs (bp) upstream from the site of processing and polyadenylation and is a critical part of the signal for processing and polyadenylation. Efficient cleavage and polyadenylation also require sequences downstream of polyadenylation sites. The herpes simplex virus type 1 thymidine kinase (tk) gene contains two copies of the AATAAA hexanucleotide and a GT box (18 of 19 consecutive residues are G or T) previously shown to be required for efficient processing and polyadenylation of tk mRNA (C. N. Cole and T. P. Stacy, …
Absence Of A Structural Basis For Intracellular Recognition And Differential Localization Of Nuclear And Plasma Membrane-Associated Forms Of Simian Virus 40 Large Tumor Antigen., Donald L. Jarvis, Charles N. Cole, Janet S. Butel
Absence Of A Structural Basis For Intracellular Recognition And Differential Localization Of Nuclear And Plasma Membrane-Associated Forms Of Simian Virus 40 Large Tumor Antigen., Donald L. Jarvis, Charles N. Cole, Janet S. Butel
Dartmouth Scholarship
The simian virus 40 large tumor antigen (T-ag) is found in both the nuclei (nT-ag) and plasma membranes (mT-ag) of simian virus 40-infected or -transformed cells. It is not known how newly synthesized T-ag molecules are recognized, sorted, and transported to their ultimate subcellular destinations. One possibility is that these events depend upon structural differences between nT-ag and mT-ag. To test this possibility, we compared the structures of nT-ag and mT-ag from simian virus 40-infected cells. No differences between the two forms of T-ag were detected by migration in polyacrylamide gels, by Staphylococcus aureus V8 partial proteolytic mapping of methionine- …