Výsledky vyhledávání - "M. Bidya Sagar"

Domain closure and action of uracil DNA glycosylase (UDG): structures of new crystal forms containing the Escherichia coli enzyme and a comparative study of the known structures involving UDG

Autor: Priya Handa, Sudipta Raha Roy, R. Ravishankar, Kedar Purnapatre, Kayarat Saikrishnan, Mamannamana Vijayan, M. Bidya Sagar, Umesh Varshney

Publikováno v: Acta Crystallographica Section D Biological Crystallography. 58:1269-1276

The structures of a new crystal form of free Escherichia coli uracil DNA glycosylase (UDG), containing four molecules in the asymmetric unit, and two forms of its complex with the proteinaceous inhibitor Ugi, containing two and four crystallographica

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3b12f4be781833623019b776b3cb3e5c
https://doi.org/10.1107/s0907444902009599

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Crystal and molecular structure of 2,6-dimethyl-3,5-di[N-methyl]carbamoyl-4-[3,4-methoxy]phenyl-l,4-dihydropyridine hemihydrate and 2,6-dimethyl-3,5-di[N-methyl]carbamoyl-4-[furan]1,4-dihydropyridine

Autor: Krishnan Ravikumar, Y. S. Sadanandam, M. Bidya Sagar

Publikováno v: Zeitschrift für Kristallographie - Crystalline Materials. 214:850-856

The crystal structures of two dihydropyridines were solved by direct methods and refined by full-matrix least-squares procedure. 2,6-Dimethyl-3,5-di[N-methyl]-carbamoyl-4-[3,4-methoxy]phenyl-1,4-dihydropyridine hemihydrate, C38H50N6O9 (compound 1): m

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2e0fe7bf69887f0ad917a0dd080723e5
https://doi.org/10.1524/zkri.1999.214.12.850

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[Untitled]

Autor: K. Ravikumar, S. Mehdi, Eluvathingal D. Jemmis, Kalathingal T. Giju, Y. S. Sadanandam, M. Bidya Sagar

Publikováno v: Journal of Chemical Crystallography. 29:481-491

A series of 4(x-substituted phenyl)-1,4-dihydropyridines (x=2—CF3 (1), 2-CH3 (2), 2-OCH3 (3) and 2,4-Cl (4)) with a new substituent, the N-methylcarbamoyl (CONHCH3) group at C3 and C5 are crystallographically characterized and a comparison has been

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8ea7aafba91f5d6a0b89cf1d9f1c0e53
https://doi.org/10.1023/a:1009579430593

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Crystal structure analysis of 4-R-phenyl-2,6-dimethyl-3,5-N-(dimethylcarbamoyl)-1,4-dihydropyridines [R=2-nitro (1), 4-methoxy (2) and 3,4-dichloro (3)]

Autor: Y. S. Sadanandam, Krishnan Ravikumar, M. Bidya Sagar

Publikováno v: Zeitschrift für Kristallographie - Crystalline Materials. 213:182-190

The crystallographic characterization of the following three calcium channel antagonists is reported here: 2,6-dimethyl-3,5-dicarbamoyl-4-[2-nitro]-1,4-dihydropyridine (1), 2,6-dimethyl-3,5-dicarbamoyl-4-[4-methoxy]-1,4-dihydropyridine (2) and 2,6-di

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::69d6919b77c04eaadcd16bb7ab3d8abd
https://doi.org/10.1524/zkri.1998.213.3.182

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Purification, crystallization and preliminary X-ray studies ofMycobacterium tuberculosisRRF

Autor: M. Bidya Sagar, A. R. Rao, Kayarat Saikrishnan, Mamannamana Vijayan, S. K. Kalapala, Umesh Varshney

Publikováno v: Acta Crystallographica Section D Biological Crystallography. 60:368-370

With the re-emergence of tuberculosis providing the impetus, research on Mycobacterium tuberculosis at the molecular level has registered considerable progress in recent years (Ratledge & Dale, 1999). In particular, the availability of the complete g

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https://doi.org/10.1107/s0907444903027926

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Structural Studies of Intermediates in the Synthesis of Mifepristone (RU 486). II. Structure of a β-Epoxy Steroid

Autor: M. Machender Reddy, M. Bidya Sagar, A. V. Rama Rao, Krishnan Ravikumar, A. K. Singh

Publikováno v: Acta Crystallographica Section C Crystal Structure Communications. 51:451-454

Structure determination of the title compound, 5β,10-β-epoxy-3,3-ethylenedioxy-17β-hydroxy-17α-(1-propynyl)estra-9(11)-ene, C 23 H 30 O 4 , establishes the configuration of the epoxy O atom as 5β,10β and locates the position of the double bond

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https://doi.org/10.1107/s0108270194008589

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9-(4-Dimethylaminophenyl)-3,3,6,6-tetramethyl-3,4,6,7,9,10-hexahydro-1,8(2H,5H)-acridinedione

Autor: M. Bidya Sagar, P. Murugan, V. K. Ganesh, Devadasan Velmurugan

Publikováno v: Acta Crystallographica Section C Crystal Structure Communications. 54:557-559

In the title compound, C25H32N202, the central ring in the acridine moiety is nearly planar, while the two outer rings adopt half-chair conformations. The phenyl ring is axial with respect to the central pyridine ring.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cf66c132484090253767c4adcbb25d55
https://doi.org/10.1107/s0108270197016727

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X-ray analysis of a complex of Escherichia coli uracil DNA glycosylase (EcUDG) with a proteinaceous inhibitor. The structure elucidation of a prokaryotic UDG

Autor: Sudipta Raha Roy, R. Ravishankar, M. Bidya Sagar, Kedar Purnapatre, Umesh Varshney, Priya Handa, Mamannamana Vijayan

Uracil-DNA glycosylase (UDG), a key highly conserved DNA repair enzyme involved in uracil excision repair, was discovered in Escherichia coli . The Bacillus subtilis bacteriophage, PBS-1 and PBS-2, which contain dUMP residues in their DNA, express a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e5c1bd88889ea3c8b78d7f97b5afcbd5
https://europepmc.org/articles/PMC147935/

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