II蛋白|肠杆菌噬菌体f1II蛋白|肠杆菌噬菌体f1II重组

Research Areas

Others

Uniprot ID

P69546

Gene Names

II

Alternative Name(s)

(Rep)(G2P)(Gene 2 protein)

Lead Time

13-23 business days

Organism

Enterobacteria phage f1 (Bacteriophage f1)

Source

E.coli

Expression Region

1-410aa

Protein Length

Full Length

Tag Info

N-terminal 10xHis-tagged and C-terminal Myc-tagged

Target Protein Sequence

MIDMLVLRLPFIDSLVCSRLSGNDLIAFVDLSKIATLSGMNLSARTVEYHIDGDLTVSGLSHPFESLPTHYSGIAFKIYEGSKNFYPCVEIKASPAKVLQGHNVFGTTDLALCSEALLLNFANSLPCLYDLLDVNATTISRIDATFSARAPNENIAKQVIDHLRNVSNGQTKSTRSQNWESTVTWNETSRHRTLVAYLKHVELQHQIQQLSSKPSAKMTSYQKEQLKVLSNPDLLEFASGLVRFEARIETRYLKSFGLPLNLFDAIRFASDYNSQGKDLIFDLWSFSFSELFKAFEGDSMNIYDDSAVLDAIQSKHFTITPSGKTSFAKASRYFGFYRRLVNEGYDSVALTMPRNSFWRYVSALVECGIPKSQLMNLSTCNNVVPLVRFINVDFSSQRPDWYNEPVLKIA

MW

53.6 kDa

Purity

Greater than 90% as determined by SDS-PAGE.

Endotoxin

Not test.

Biological_Activity

/

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.

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.

Relevance

Isoform G2P plays an essential role in viral DNA replication. Binds the origin of replication and cleaves the dsDNA replicative form I (RFI) and becomes covalently bound to it via phosphotyrosine bond, generating the dsDNA replicative form II (RFII). In turn, viral DNA replication initiates at the 3'-OH of the cleavage site. After one round of rolling circle synthesis, protein G2P is linked to the newly synthesized ssDNA and joins the ends of the displaced strand to generate a circular single-stranded molecule ready to be packed into a virion. ; Isoform G10P protein binds to double-stranded DNA and prevents hydrolysis by nucleases. Additionally, G10P is an inhibitor of DNA replication and may have a role in the transition from semiconservative replicative form DNA replication to single-stranded DNA synthesis in the life cycle.

Function

/