Recombinant E.coil Uracil-DNA glycosylase is produced with our E. coli expression system. The target protein is expressed with sequence (Met1-Glu229) of E.coil UNG fused with a 6His tag at the C-terminus.
纯度
> 95 % as determined by reducing SDS-PAGE.
过滤
0.2 μm filtered
内毒素水平
Less than 0.1 ng/μg (1 IEU/μg) as determined by LAL test
SHH
宿主: 小鼠
宿主: HEK-293 Cells
Recombinant
> 90 % as determined by SDS-PAGE
Active
限制
仅限研究用
状态
Lyophilized
溶解方式
It is not recommended to reconstitute to a concentration less than 100 μg/mL. Dissolve the lyophilized protein in ddH2O. Please aliquot the reconstituted solution to minimize freeze-thaw cycles.
缓冲液
Lyophilized from a 0.2 μm filtered solution of 20 mM PB, 150 mM NaCl, 1 mM DTT, pH 7.4.
储存液
Dithiothreitol (DTT)
注意事项
This product contains Dithiothreitol (DTT): a POISONOUS AND HAZARDOUS SUBSTANCE which should be handled by trained staff only.
注意事项
Always centrifuge tubes before opening. Do not mix by vortex or pipetting.
储存条件
4 °C/-20 °C/-80 °C
储存方法
Lyophilized protein should be stored at < -20°C, though stable at room temperature for 3 weeks. Reconstituted protein solution can be stored at 4-7°C for 2-7 days. Aliquots of reconstituted samples are stable at < -20°C for 3 months.
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背景
Uracil-DNA glycosylase(UNG)belongs to the uracil-DNA glycosylase family. The human gene encodes one of several uracil-DNA glycosylases. One important function of uracil-DNA glycosylases is to prevent mutagenesis by eliminating uracil from DNA molecules by cleaving the N-glycosylic bond and initiating the base-excision repair (BER) pathway. Uracil bases occur from cytosine deamination or misincorporation of dUMP residues. After a mutation occurs, the mutagenic threat of uracil propagates through any subsequent DNA replication steps. Once unzipped, mismatched guanine and uracil pairs are separated, and DNA polymerase inserts complementary bases to form a guanine-cytosine (GC) pair in one daughter strand and an adenine-uracil (AU) pair in the other.Half of all progeny DNA derived from the mutated template inherit a shift from GC to AU at the mutation site.UDG excises uracil in both AU and GU pairs to prevent propagation of the base mismatch to downstream transcription and translation processes. Synonyms: Uracil-DNA glycosylase,UDG,