Zobrazeno 1 - 10
of 1 581
pro vyhledávání: '"QD901-999"'
Autor:
Jeannette Carolina Belmont-Sánchez, Duane Choquesillo-Lazarte, Ricardo Navarrete-Casas, Antonio Frontera, Alfonso Castiñeiras, Juan Niclós-Gutiérrez, Antonio Matilla-Hernández
Publikováno v:
Crystals, Vol 13, Iss 1, p 7 (2022)
Metal ion interactions with nuclei acids and their constituents represent a multi-faceted and growing research field. This contribution deals with molecular recognition between synthetic purine 17 nucleosides and first-row transition metal complexes,
Externí odkaz:
https://doaj.org/article/820cded4644d445d9dea837a8d6b88f5
Publikováno v:
IUCrJ, Vol 9, Iss 1, Pp 31-42 (2022)
IUCrJ
IUCrJ
A series of halogenated compounds with motion-capable moieties were designed and synthesized, and they exhibit different π-stacking arrangements. The thermal expansion behaviors are influenced by crystal packing, halogen-bond strength and pedal moti
Autor:
Igor A. Levandovskiy, Svitlana V. Shishkina, Vitalii V. Rudiuk, Anna M. Shaposhnyk, Vyacheslav M. Baumer
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 77, Iss 12, Pp 1219-1223 (2021)
Acta Crystallographica Section E: Crystallographic Communications
Acta Crystallographica Section E: Crystallographic Communications
The ability of 4-[(benzylamino)carbonyl]-1-methylpyridinium to form iodide salts with cation:iodine ratio different from equimolar was studied and a Hirshfeld surface analysis was performed to investigate the intermolecular interactions.<
Autor:
Maura Malinska
Publikováno v:
IUCrJ
IUCrJ, Vol 9, Iss 1, Pp 55-64 (2022)
IUCrJ, Vol 9, Iss 1, Pp 55-64 (2022)
With a view to establishing molecular recognition rules, the host p-tert-butylcalix[6]arene was crystallized with different guest molecules. The ratio between the apolar surface area and the volume was used to predict the formation of inclusion ver
Publikováno v:
IUCrJ, Vol 8, Iss 5, Pp 814-822 (2021)
IUCrJ
IUCrJ
A method of regulating the crystallization of conformational polymorphs based on the crystal structure similarity of templates and the target crystal form has been developed.
Template design on polymorph control, especially conformational polymo
Template design on polymorph control, especially conformational polymo
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 77, Iss 8, Pp 804-808 (2021)
Acta Crystallographica Section E: Crystallographic Communications
Acta Crystallographica Section E: Crystallographic Communications
The chemical structures of two withanolides, isolated from the leaves of Physalis angulata by column chromatography, were studied. The isolated compounds are (17S,20R,22R,24R,25S)-5β,6β:20,24-diepoxy-4β,25-dihydroxy-1-oxowith-2-en-26,22-olide
Autor:
Ahmad Bin-Ramzi, Benjamin M. Chain, Lata Govada, Rhodri M. L. Morgan, John R. Helliwell, Naomi E. Chayen, Emmanuel N. Saridakis, Sean C. Kassen
Publikováno v:
IUCrJ, Vol 8, Iss 4, Pp 678-683 (2021)
IUCrJ
IUCrJ
C-C chemokine receptor 5 (CCR5) is a major co-receptor molecule used by HIV-1 to enter cells. Two X-ray crystallographic studies are presented of the antibody RoAb13, which binds to the peptide PIYDIN, which is part of the N-terminal domain of CCR5.
Autor:
Jason R. Stagno, Yun-Xing Wang, Ping Yu, Saminathan Ramakrishnan, Xiaobing Zuo, William F. Heinz
Publikováno v:
IUCrJ
IUCrJ, Vol 8, Iss 4, Pp 655-664 (2021)
IUCrJ, Vol 8, Iss 4, Pp 655-664 (2021)
The mechanism of a solid–solid phase transition in an RNA crystal is presented.
Solid–solid phase transitions (SSPTs) occur between distinguishable crystalline forms. Because of their importance in application and theory in materials science
Solid–solid phase transitions (SSPTs) occur between distinguishable crystalline forms. Because of their importance in application and theory in materials science
Autor:
Na Wang, Yuyuan Dong, Xin Li, Hongxun Hao, Yongli Wang, Shuyi Zong, Ting Wang, Xin Huang, Danning Li
Publikováno v:
IUCrJ
IUCrJ, Vol 8, Iss 3, Pp 468-479 (2021)
IUCrJ, Vol 8, Iss 3, Pp 468-479 (2021)
The importance of self-association and desolvation in the process of crystal nucleation is emphasized; the rearrangement of supramolecular structures also has a non-negligible effect on the nucleation kinetics.
As the first step in the crystalli
As the first step in the crystalli
Autor:
Hisashi Naitow, Takashi Nomura, Michihiro Suga, Siu Kit Chan, Shinichiro Yonekura, Taiki Motomura, Eriko Nango, Yasufumi Umena, Takahiro Yamane, Yasumasa Joti, Hongjie Li, Michihiro Sugahara, Mamoru Suzuki, So Iwata, Takanori Nakane, Fusamichi Akita, Tetsunari Kimura, Shigeki Owada, Yoshiki Nakajima, Minoru Kubo, Kensuke Tono, Rie Tanaka, Jian Ren Shen, Yoshinori Matsuura, Tetsuya Masuda
Publikováno v:
IUCrJ
IUCrJ, Vol 8, Iss 3, Pp 431-443 (2021)
IUCrJ, Vol 8, Iss 3, Pp 431-443 (2021)
A method for determining the sample flow rate and concomitant light condition in time-resolved serial femtosecond crystallography is developed to analyze the intermediate-state structures of photosystem II.
Photosystem II (PSII) catalyzes light-
Photosystem II (PSII) catalyzes light-