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Volumn 22, Issue 20, 2012, Pages 6368-6372

Multisubstituted quinoxalines and pyrido[2,3-d]pyrimidines: Synthesis and SAR study as tyrosine kinase c-Met inhibitors

Author keywords

3,5 Diamino 7 trifluoroquinoline; Antitumor activity; C Met kinase; hERG; Structure activity relationship (SAR)

Indexed keywords

ANTINEOPLASTIC AGENT; CRIZOTINIB; PROTEIN TYROSINE KINASE C MET INHIBITOR; PROTEIN TYROSINE KINASE INHIBITOR; PYRIDO[2,3 D]PYRIMIDINE DERIVATIVE; QUINOLINE; QUINOXALINE; QUINOXALINE DERIVATIVE; UNCLASSIFIED DRUG; ZGWATINIB;

EID: 84866737081     PISSN: 0960894X     EISSN: 14643405     Source Type: Journal    
DOI: 10.1016/j.bmcl.2012.08.075     Document Type: Article
Times cited : (29)

References (29)
  • 23
  • 26
    • 84875006752 scopus 로고    scopus 로고
    • note
    • +]: 498.1740, found: 498.1743.
  • 29
    • 84875005230 scopus 로고    scopus 로고
    • note
    • 27a with certain modifications. The cDNA fragment was cloned into the vector pET28a and the protein was co-expressed with catYopH subcloned in pET15b (164-468AA)2. The expressed c-Met kinase domain was passed through a Ni-NTA column (Qiagen) and further purified by QHP ion exchange column (GE) which eluted with 25 mM Tris pH 8.5, 100 mM NaCl, 10% glycerol, 1 mM DTT. The protein was concentrated to about 10 mg/mL for further crystallization.Cocrystallization of the c-Met kinase domain with compound 2 was carried out by mixing a solution of the protein-ligand complex with an equal volume of precipitant solution (100 mM HEPES pH 7.5, 8% isopropanol, 3 mM TCEP, 16% PEG4K). The protein-ligand complex was prepared by adding the compound to the protein solution to a final concentration of 1 mM of 2. Cocrystallization utilized the vapour-diffusion method in hanging drops. The same cocrystallization protocol was also utilized for compound 15b and the precipitant solution includes 100 mM Tris pH 7.5, 15% glycerol, 12% MPD, 5% isopropanol, 14% PEG5KMME. Crystals were flash frozen in liquid nitrogen in the presence of well solution supplemented with 25% glycerol.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.