- 产品信息
商品描述
靶点-Target
Topoisomerase I
反应性
Human,Mouse,Rat
应用
WB,IHC,IF,ELISA
宿主物种-Host Species
Rabbit
同种型-Isotype
IgG,Kappa
MW(Calculated)
91kD
MW(Observed)
91kD
推荐稀释比
IHC 1:200-1:1000;WB 1:2000-1:10000;IF 1:200-1:1000;ELISA 1:5000-1:20000;
组成
PBS, 50% glycerol, 0.05% Proclin 300, 0.05%BSA
纯化工艺
Protein A
储存
-15°C to -25°C/1 year(Do not lower than -25°C)
克隆性
Monoclonal
克隆号
PT1218R
特异性
Endogenous
基因名称
TOP1
蛋白名称
DNA topoisomerase 1
别名
TOP1;DNA topoisomerase 1;DNA topoisomerase I
Organism-1
Human
基因ID-1
7150
SwissProt-1
P11387
Organism-2
Mouse
基因ID-2
21969
SwissProt-2
Q04750
Organism-3
Rat
基因ID-3
64550
SwissProt-3
Q9WUL0
背景
This gene encodes a DNA topoisomerase, an enzyme that controls and alters the topologic states of DNA during transcription. This enzyme catalyzes the transient breaking and rejoining of a single strand of DNA which allows the strands to pass through one another, thus altering the topology of DNA. This gene is localized to chromosome 20 and has pseudogenes which reside on chromosomes 1 and 22. [provided by RefSeq, Jul 2008],
细胞定位
Catalytic activity:ATP-independent breakage of single-stranded DNA, followed by passage and rejoining.,Disease:A chromosomal aberration involving TOP1 is found in a form of therapy-related myelodysplastic syndrome. Translocation t(11;20)(p15;q11) with NUP98.,enzyme regulation:Specifically inhibited by camptothecin (CPT), a plant alkaloid with antitumor activity.,Function:The reaction catalyzed by topoisomerases leads to the conversion of one topological isomer of DNA to another.,miscellaneous:Eukaryotic topoisomerase I and II can relax both negative and positive supercoils, whereas prokaryotic enzymes relax only negative supercoils.,miscellaneous:When a topoisomerase transiently breaks a DNA backbone bond, it simultaneously forms a protein-DNA link, in which a tyrosyl oxygen in the enzyme is joined to a DNA phosphorus at one end of the enzyme-severed DNA strand.,PTM:Sumoylated. Lys-117 is the main site of sumoylation. Sumoylation plays a role in partitioning TOP1 between nucleoli and nucleoplasm. Levels are dramatically increased on camptothecin (CPT) treatment.,similarity:Belongs to the eukaryotic type I topoisomerase family.,subcellular location:Diffuse nuclear localization with some enrichment in nucleoli. On CPT treatment, cleared from nucleoli into nucleoplasm. Sumolyated forms found in both nucleoplasm and nucleoli.,subunit:Monomer. Interacts with SV40 Large T antigen; this interactions allows viral DNA replication.,





