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Cusabio Escherichia coli Recombinants
Recombinant Escherichia coli Polyphosphate kinase (ppk) | CSB-EP358948ENVb1
- SKU:
- CSB-EP358948ENVb1
- UPC:
- MPN:
- Availability:
- 3 - 7 Working Days
Description
Recombinant Escherichia coli Polyphosphate kinase (ppk) | CSB-EP358948ENVb1 | Cusabio
Alternative Name(s): ATP-polyphosphate phosphotransferase (Polyphosphoric acid kinase)
Gene Names: ppk
Research Areas: Cell Biology
Organism: Escherichia coli (strain K12)
AA Sequence: GQEKLYIEKELSWLSFNERVLQEAADKSNPLIERMRFLGIYSNNLDEFYKVRFAELKRRIIISEEQGSNSHSRHLLGKIQSRVLKADQEFDGLYNELLLEMARNQIFLINERQLSVNQQNWLRHYFKQYLRQHITPILINPDTDLVQFLKDDYTYLAVEIIRGDTIRYALLEIPSDKVPRFVNLPPEAPRRRKPMILLDNILRYCLDDIFKGFFDYDALNAYSMKMTRDAEYDLVHEMEASLMELMSSSLKQRLTAEPVRFVYQRDMPNALVEVLREKLTISRYDSIVPGGRYHNFKDFINFPNVGKANLVNKPLPRLRHIWFDKAQFRNGFDAIRERDVLLYYPYHTFEHVLELLRQASFDPSVLAIKINIYRVAKDSRIIDSMIHAAHNGKKVTVVVELQARFDEEANIHWAKRLTEAGVHVIFSAPGLKIHAKLFLISRKENGEVVRYAHIGTGNFNEKTARLYTDYSLLTADARITNEVRRVFNFIENPYRPVTFDYLMVSPQNSRRLLYEMVDREIANAQQGLPSGITLKLNNLVDKGLVDRLYAASSSGVPVNLLVRGMCSLIPNLEGISDNIRAISIVDRYLEHDRVYIFENGGDKKVYLSSADWMTRNIDYRIEVATPLLDPRLKQRVLDIIDILFSDTVKARYIDKELSNRYVPRGNRRKVRAQLAIYDYIKSLEQPE
Source: E.coli
Tag Info: N-terminal 10xHis-tagged and C-terminal Myc-tagged
Expression Region: 2-688aa
Sequence Info: Full Length of Mature Protein
MW: 87.7 kDa
Purity: Greater than 85% as determined by SDS-PAGE.
Relevance: Catalyzes the reversible transfer of the terminal phosphate of ATP to form a long-chain polyphosphate. Can form linear polymers of orthophosphate with chain lengths up to 1000 or more. Can use GTP instead of ATP, but the efficiency of GTP is 5% that of ATP. Also exhibits several other enzymatic activities, which include: ATP synthesis from polyP in the presence of excess ADP, general nucleoside-diphosphate kinase activity, linear guanosine 5'-tetraphosphate synthesis and autophosphorylation.
Reference: "Phosphohistidyl active sites in polyphosphate kinase of Escherichia coli." Kumble K.D., Ahn K., Kornberg A. Proc. Natl. Acad. Sci. U.S.A. 93:14391-14395(1996)
Storage: 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?/-80?. The shelf life of lyophilized form is 12 months at -20?/-80?.
Notes: Repeated freezing and thawing is not recommended. Store working aliquots at 4? for up to one week.
Function:
Involvement in disease:
Subcellular Location:
Protein Families:
Tissue Specificity:
Paythway:
Form: Liquid or Lyophilized powder
Buffer: 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.
Reconstitution: We recommend that this vial be briefly centrifuged prior to opening to bring the contents to the bottom. Please reconstitute protein in deionized sterile water to a concentration of 0.1-1.0 mg/mL.We recommend to add 5-50% of glycerol (final concentration) and aliquot for long-term storage at -20?/-80?. Our default final concentration of glycerol is 50%. Customers could use it as reference.
Uniprot ID: P0A7B1
HGNC Database Link: N/A
UniGene Database Link: N/A
KEGG Database Link: N/A
STRING Database Link: N/A
OMIM Database Link: N/A
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