A type II topoisomerase that negatively supercoils closed circular double-stranded (ds) DNA in an ATP-dependent manner to modulate DNA topology and maintain chromosomes in an underwound state. Negative supercoiling favors strand separation, and DNA replication, transcription, recombination and repair, all of which involve strand separation. Also able to catalyze the interconversion of other topological isomers of dsDNA rings, including catenanes and knotted rings. Type II topoisomerases break and join 2 DNA strands simultaneously in an ATP-dependent manner.
规格 | 价格/CNY | 货期 | 数量 | |
---|---|---|---|---|
20 μg | ¥ 2,290 | 20日内发货 | ||
100 μg | ¥ 4,320 | 20日内发货 | ||
1 mg | ¥ 14,600 | 20日内发货 |
产品描述 | A type II topoisomerase that negatively supercoils closed circular double-stranded (ds) DNA in an ATP-dependent manner to modulate DNA topology and maintain chromosomes in an underwound state. Negative supercoiling favors strand separation, and DNA replication, transcription, recombination and repair, all of which involve strand separation. Also able to catalyze the interconversion of other topological isomers of dsDNA rings, including catenanes and knotted rings. Type II topoisomerases break and join 2 DNA strands simultaneously in an ATP-dependent manner. |
种属 | Salmonella typhi |
表达系统 | E. coli |
标签 | N-terminal 10xHis-tagged and C-terminal Myc-tagged |
蛋白编号 | P0A2I4 |
氨基酸序列 | PALSELYLVEGDSAGGSAKQGRNRKNQAILPLKGKILNVEKARFDKMLSSQEVATLITALGCGIGRDEYNPDKLRYHSIIIMTDADVDGSHIRTLLLTFFYRQMPEIVERGHVYIAQPPLYKVKKGKQEQYIKDDEAMDQYQISIALDGATLHANAHAPALSGEALEKLVSEYNATQKMIGRMERRFPKALLKELVYQPTLTEADLSDEQTVTRWVNALITELNEKEQHGSQWKFDVHTNTEQNLFEPIVRVRTHGVDTDYPLDHEFVTGAEYRRICTLGEKLRGLIEEDAFIERGERRQPVTSFEQALEWLVKESRRGLAIQRYKGLGEMNPDQLWETTMDPESRRMLRVTVKDAIAADQLFTTLMGDAVEPRRAFIEENALKAANIDI Note: The complete sequence including tag sequence, target protein sequence and linker sequence could be provided upon request. |
蛋白构建 | 415-804 aa |
蛋白纯度 | > 85% as determined by SDS-PAGE. |
分子量 | 51.8 kDa (predicted) |
缓冲液 | If the delivery form is liquid, the default storage buffer is Tris/PBS-based buffer, 5%-50% glycerol. If the delivery form is lyophilized powder, the buffer before lyophilization is Tris/PBS-based buffer, 6% Trehalose, pH 8.0. |
复溶方法 | A hardcopy of COA with reconstitution instructions is sent along with the products. Please refer to it for detailed information. |
存储 |
Generally, the shelf life of liquid form is 6 months at -20°C/-80°C. The shelf life of lyophilized form is 12 months at -20°C/-80°C. |
运输方式 |
In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature. Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise. |
研究背景 | A type II topoisomerase that negatively supercoils closed circular double-stranded (ds) DNA in an ATP-dependent manner to modulate DNA topology and maintain chromosomes in an underwound state. Negative supercoiling favors strand separation, and DNA replication, transcription, recombination and repair, all of which involve strand separation. Also able to catalyze the interconversion of other topological isomers of dsDNA rings, including catenanes and knotted rings. Type II topoisomerases break and join 2 DNA strands simultaneously in an ATP-dependent manner. |
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recombinant recombinant-proteins proteins protein