Search Results - "Dolapchiev, L B"

Uncoupling of Unwinding from DNA Synthesis Implies Regulation of MCM Helicase by Tof1/Mrc1/Csm3 Checkpoint Complex by Nedelcheva, Marina N., Roguev, Assen, Dolapchiev, Luben B., Shevchenko, Andrej, Taskov, Hristo B., Shevchenko, Anna, Francis Stewart, A., Stoynov, Stoyno S.

“…The replicative DNA helicases can unwind DNA in the absence of polymerase activity in vitro. In contrast, replicative unwinding is coupled with DNA synthesis…”
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Tobacco plant cell cultures with high content of extracellular phosphohydrolases by Dolapchiev, Luben B., Bakalova, Anastasia T., Vassileva, Rossitsa A., Ilieva, Mladenka P., Mihneva, Magdalina D.

“…A new, fast, and easy assay based on the “cell squash” method for analysis of a large number of tobacco cell cultures which produces phosphohydrolytic enzymes…”
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Supercoiling unwinds two-micrometer plasmid yeast DNA at the origin of replication by Stoynov, Stoyno S., Dolapchiev, Luben B.

“…All studied origins of replication of DNA in Saccharomyces cerevisiae contain DNA unwinding elements. The introduction of unrestrained negative supercoiling…”
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Kinetics of hydrolysis of uridylic oligonucleotides with different degree of polymerisation by snake venom phosphodiesterase by Dolapchiev, L.B.

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Single-strand-specific DNase activity is an inherent property of the 140-kDa protein of the snake venom exonuclease by Stoynov, Stoyno S, Bakalova, Anastassia T, Dimov, Svetoslav I, Mitkova, Atanaska V, Dolapchiev, Luben B

“…Polyclonal antibodies against the exonuclease from Crotalus adamanteus venom (the 140-kDa protein) inhibit both the exonucleolytic and the…”
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Simple purification and some properties of beef spleen exonuclease by Dolapchiev, L B, Bakalova, A

“…A method for purification of beef spleen exonuclease is described, leading to electrophoretically homogeneous enzyme preparation. The method consists of three…”
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Oligomeric Protein Structure of Beef Spleen Exonuclease by Mitkova, Atanaska V., Bakalova, Anastassia T., Stoynov, Stoyno S., Dolapchiev, Luben B.

“…A one-step purification of beef spleen exonuclease in the form of a DNA–enzyme complex is described. The purity of the exonuclease was verified by…”
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The action of snake venom phosphodiesterase on liver ribosomal ribonucleic acids by Hadjiolov, A A, Venkov, P V, Dolapchiev, L B, Genchev, D D

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Venom exonuclease. IV. Intrinsic fluorescence of the exonuclease from Crotalus adamanteus venom by Dimitrov, D P, Vassileva, R A, Dolapchiev, L B

“…The intrinsic fluorescence of the exonuclease isolated from Crotalus adamanteus venom, was studied. The position of its maximum at 335 nm and half-width of the…”
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Purification of exonuclease (phosphodiesterase) from the venom of Crotalus adamanteus by Dolapchiev, L B, Sulkowski, E, Laskowski, Sr, M

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Pattern of [32P]orthophosphate incorporation in vitro into ribonucleic acid nucleotides of Ehrlich ascites tumor cells by Hadjiolov, A A, Venkov, P V, Dolapchiev, L B

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New spectrophotometric method for continuous recording of the spleen exonuclease activity by Dolapchiev, L B, Bakalova, A T

“…Some of the synthetic chromophoric substrates of various enzymes cannot be used for direct spectrophotometric recording of the reactions, when a difference…”
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Emergence of the active site of spleen exonuclease upon association of the two basic monomers of the tetrameric enzyme by Mitkova, Atanaska V., Stoynov, Stoyno S., Bakalova, Anastassia T., Dolapchiev, Luben B.

“…The 5′→3′ exonuclease from beef spleen is a 160-kDa tetramer consisting of four subunits of two types. Partial reduction of the tetramer led to one stable…”
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Heterogeneity of exonuclease from the venom of Crotalus adamanteus by Dolapchiev, L B, Ostrowski, W, Wasylewska, E, Wasylewski, Z, Weber, M

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Stepwise degradation of P32-labeled rat liver ribosomal ribonucleic acids with snake venom phosphodiesterase by Hadjiolov, A A, Venkov, P V, Dolapchiev, L B

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Venom exonuclease. III. Immunochemical characterization and modification by specific antibody by Dolapchiev, L B, Vassilev, L T

“…The immunoelectrophoretic purity of the exonuclease preparation, isolated from Crotalus adamanteus venom according to a procedure previously published…”
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Venom exonuclease. II. Amino acid composition and carbohydrate, metal ion and lipid content in the Crotalus adamanteus venom exonuclease by Dolapchiev, L B, Vassileva, R A, Koumanov, K S

“…Exonuclease from Crotalus adamanteus venom has only threonine as N-terminimal amono acid residue. It was examined for its amino acid composition, -SH and S-S…”
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Determination of phosphodiesterase activity in the presence of phosphomonoesterase using bis-p-nitrophenyl phosphate by Dolapchiev, L B, Vassileva, R A, Dimitrov, D

“…In the presence of phosphomonoesterase contaminations the use of bis-p-nitrophenyl phosphate to measure phosphodiesterase activity gives inconclusive values…”
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Hydrolysis of low molecular weight substrates with diester and pyrophosphate bonds by snake venom phosphodiesterase by Dolapchiev, L B

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Hydrolysis of synthetic polynucleotides with snake venom phosphodiesterase by Hadjiolov, A A, Dolapchiev, L B, Milchev, G I

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