Recombinant Schizosaccharomyces pombe DNA topoisomerase 1 (top1), partial

Product Details

Purity
>85% (SDS-PAGE)
Target Names
top1
Uniprot NO.
Species
Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast)
Source
Yeast
Expression Region
1-814
Target Protein Sequence
MSSSDSDSVS LSIRRRQRRG SSKRISMKES DEESDSSENH PLSESLNKKS KSESDEDDIP IRKRRASSKK NMSNSSSKKR AKVMGNGGLK NGKKTAVVKE EEDFNEIAKP SPKHKRVSKA NGSKNGAKSA VKKEESDTDD SVPLRAVSTV SLTPYKSELP SGASTTQNRS PNDEEDEDED YKWWTSENID DTQKWTTLEH NGVIFAPPYE PLPKNVKLIY DGNPVNLPPE AEEVAGFYAA MLETDHAKNP VFQDNFFRDF LKVCDECNFN HNIKEFSKCD FTQMFHHFEQ KREEKKSMPK EQKKAIKQKK DEEEEKYKWC ILDGRKEKVG NFRIEPPGLF RGRGSHPKTG SLKRRVYPEQ ITINIGEGVP VPEPLPGHQW AEVKHDNTVT WLATWHENIN NNVKYVFLAA GSSLKGQSDL KKYEKSRKLK DYIDDIRKGY RKDLKSELTV ERQRGTAMYL IDVFALRAGN EKGEDEADTV GCCSLRYEHV TLKPPRTVVF DFLGKDSIRY YNEVEVDPQV FKNLKIFKRP PKKEGDLIFD RLSTNSLNKY LTSLMDGLSA KVFRTYNASY TMAEELKKMP KNLTLADKIL FYNRANRTVA ILCNHQRSVT KNHDVQMERF AERIKALQYQ RMRLRKMMLN LEPKLAKSKP ELLAKEEGIT DSWIVKHHET LYELEKEKIK KKFDRENEKL AAEDPKSVLP ESELEVRLKA ADELKKALDA ELKSKKVDPG RSSMEQLEKR LNKLNERINV MRTQMIDKDE NKTTALGTSK INYIDPRLTY SFSKREDVPI EKLFSKTIRD KFNWAADTPP DWKW
Note: The complete sequence may include tag sequence, target protein sequence, linker sequence and extra sequence that is translated with the protein sequence for the purpose(s) of secretion, stability, solubility, etc.
If the exact amino acid sequence of this recombinant protein is critical to your application, please explicitly request the full and complete sequence of this protein before ordering.
Protein Length
Partial
Tag Info
N-terminal His-tagged/Tag-Free
The tag type will be determined during production process. If you have specified tag type, please tell us and we will develop the specified tag preferentially.
Storage
Store at -20°C, for extended storage, conserve at -20°C or -80°C.
Shelf Life
The shelf life is related to many factors, storage state, buffer ingredients, storage temperature and the stability of the protein itself.
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.
Notes
Repeated freezing and thawing is not recommended. Store working aliquots at 4°C for up to one week.

Customer Reviews and Q&A

 Customer Reviews

Target Background

Function(From Uniprot)
Releases the supercoiling and torsional tension of DNA introduced during the DNA replication and transcription by transiently cleaving and rejoining one strand of the DNA duplex. Introduces a single-strand break via transesterification at a target site in duplex DNA. The scissile phosphodiester is attacked by the catalytic tyrosine of the enzyme, resulting in the formation of a DNA-(3'-phosphotyrosyl)-enzyme intermediate and the expulsion of a 5'-OH DNA strand. TThe free DNA strand then rotates around the intact phosphodiester bond on the opposing strand, thus removing DNA supercoils. Finally, in the religation step, the DNA 5'-OH attacks the covalent intermediate to expel the active-site tyrosine and restore the DNA phosphodiester backbone.
Gene References into Functions
  1. SUMOylation and SUMO-dependent ubiquitylation by the Pli1-Slx8 axis contribute in different ways to maintain genome stability PMID:23936535
  2. Topoisomerase I activity is directly required for efficient nucleosome disassembly at gene promoter regions. PMID:20526281

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Protein Families
Type IB topoisomerase family
Database Links
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